460038 Computer Technology has so much…...during the last years that any computer of entry-level will have more than enough of "powers in horses" for the average user of computer. a. is advanced
Sai.
b. advantages
Sai.
c. advanced
Đúng.
d. advances
Sai.
460039 The … alternatives come in tow forms: satellite and cellular a. ADSL
Sai.
b. wireless c. ISDN d. DSL
Đúng. Sai. Sai.
460040 However, machine…...as a means of communication is very difficult to write. a. code
Đúng.
b. codes
Sai.
c. encode
Sai.
d. coding
Sai.
460041 Alfred Bloggs shouldn’t have told lies…………his wife………….his job. a. to/about
Đúng.
b. on/with
Sai.
c. with/on
Sai.
d. for/of 460042
Sai.
Other benefits include improvement …...language skills, and acquaintance with elements of science, music and art a. by
Sai.
b. and
Sai.
c. with
Sai.
d. in
Đúng.
460043 Faraday made the fisrt electric motor in 1821, a device that used….to produce movement a. electric
Sai.
b. electricity
Đúng.
c. electrics
Sai.
d. electricities
Sai.
460044 Today, computers …….. part of everyday life a. were b. is
Sai. Sai.
c. was
Sai.
d. are
Đúng.
460045 Schools use computers to enhance the learning experience, as …….. as make it fun for students. a. good b. better
Sai. Sai.
c. best
Sai.
d. well
Đúng.
460046 Businesses use computers to communicate and store important …………… and data.
a. information
Đúng.
b. informations
Sai.
c. informatics
Sai.
d. informatic
Sai.
460047 You can do anything on them from paying your bills to booking a vacation to …………..in the world. a. where
Sai.
b. when
Sai.
c. anywhere
Đúng.
d. everwhere
Sai.
460048 Teachers hook these boards up to their computer which makes them …… do anything sitting right from their desk. a. disable to b. able c. able to d. enable to
Sai. Sai. Đúng. Sai.
460049 You can make selections and choices with the …… button a. mouses
Sai.
b. mouse
Đúng.
c. The mouse d. a mouse
Sai. Sai.
460050 Once I installed my new computer, then I will install some of my favorite cannot - food-without ………… of "end of support", and it is good outward journey
a. programming
Sai.
b. programmer
Sai.
c. programmed
Sai.
d. programmers
Đúng.
460051 A small integrated circuit inside the mouse sends signals to ………system, which instructs it to move the pointer on your screen. a. operate
Sai.
b. operation
Sai.
c. operating
Sai.
d. the operating
Đúng.
460052 ROM is used to hold ………. which are needed to start up the computer. a. instruction
Sai.
b. instructions
Đúng.
c. a instruction
Sai.
d. the instructions
Sai.
460053 The next stage is the attempt to cause damage to systems that …….. by computer networks, such as financial systems, power stations, hospitals, television broadcasts, and satellites. a. are operated b. operated c. operate d. is operated
Đúng. Sai. Sai. Sai.
460055 To transmit data, a workstation needs a token, and as there is only one token per ……, holding one guarantees sole use of the network.
a. wire
Sai.
b. office
Sai.
c. network
Đúng.
d. station
Sai.
460056 As regards the cables, they consist essentially of the transceiver – ……..that sends and receives network signals. a. the software
Sai.
b. the hardisk
Sai.
c. the hardware
Đúng.
d. the network
Sai.
460057 Various PCs have access to a file ……, an IBM mainframe, an email server and a printer. a. Internet
Sai.
b. server
Đúng.
c. folder
Sai.
d. USB
Sai.
460058 You can also access your office from your …… at home or your laptop in a hotel room a. computer b. radio c. TV
Đúng. Sai.
Sai.
d. telephone
Sai.
460059 Airline pilots use………… to help them control the plane. a. computer
Sai.
b. computers
Đúng.
c. computing
Sai.
d. a computer
Sai.
460060 Computers can help students perform mathematical ………. and solve difficult questions. a. operated
Sai.
b. operation
Sai.
c. operations
Đúng.
d. operating
Sai.
460061 A computer ……with laser and barcode technology to scan the price of each item and present total at a supermarket a. using
Sai.
b. are
Sai.
c. use
Sai.
d. is used
Đúng.
460062 ‘The Analytical Engine’ …………….in 1830 a. was invented
Đúng.
b. to be invented
Sai.
c. were invented
Sai.
d. invented
Sai.
460063 Information stored in the RAM is lost when the computer is turned…….. a. off
Đúng.
b. up
Sai.
c. on
Sai.
d. down
Sai.
460064 Instructions written in a high-level language are transformed ......... machine code. a. under b. on
Sai. Sai.
c. into d. in
Đúng. Sai.
460065 Basic languages, where the program is similar to ……… code version, are known as low-level languages. a. the machine b. machines c. a lot of machine d. a machine
Sai. Sai. Sai. Đúng.
460067 Câu 16:C language was developed in the … Chọn một câu trả lời A) 1971 Sai B) 1970 Sai C) 1970s Đúng D) 1980 Sai 460068 This consists of the … and 0s (binary code) that are processed by the CPU. a. 1 b. 1s
Sai. Đúng.
c. 2
Sai.
d. 0
Sai.
460070 Câu 15:Bill Gates liked the Unix-like functionality of a program …… by Tim Paterson of Seattle Chọn một câu trả lời A) constructed Sai B) establisbed Sai C) built Sai D) designed Đúng 460071 Câu 17:If you like gadgets and electronic entertainment, you can even use your PC ………….. with computer games. Chọn một câu trả lời A) relaxes Sai B) relaxed Sai C) relaxation Sai D) to relax Đúng
460072 Câu 13:In business, computers …………for financial planning, accounting, and specific calculations. Chọn một câu trả lời A) were used Sai B) was used Sai C) are used Đúng D) is used Sai 460073 A standard computer system consists of three main sections: the central processing unit (CPU), the main ………., and the peripherals. a. a memory
Sai.
b. the memory
Sai.
c. memories
Sai.
d. memory
Đúng.
460074 Perhaps the ……. influential component is the central processing unit. a. most of b. the most c. most d. almost
Sai. Sai. Đúng. Sai.
460075 Storage devices (floppy, hard or optical disks) ……… a permanent storage of both data and programs a. provide b. providing
Đúng. Sai.
c. provided
Sai.
d. provides
Sai.
460076 Câu 6:It is a hardware device used in conjunction with a screen reader program to ….. screen contents into spoken words Chọn một câu trả lời A) make Sai B) take Sai C) convert Đúng D) service Sai 460077 Câu 5:In addition, CD-ROM drives can play ……. CDs while you work. Chọn một câu trả lời A) novel Sai B) film Sai C) song Sai D) music Đúng 460078 Câu 17:What ….. is given to a device that reads magnetic cards? Chọn một câu trả lời A) the name Sai B) name Đúng C) names Sai D) address Sai
460079 What unit of frequency is used ……… processor speed? a. measuring
Sai.
b. measures
Sai.
c. to measured
Sai.
d. to measure
Đúng.
460080 There are 8, 16, 32, and 64-bit …… a. the processor
Sai.
b. processors
Đúng.
c. processor
Sai.
d. a processor
Sai.
460081 The clock speed is measured in ……………and refers to the frequency at which pulses are emitted. a. Mega
Sai.
b. MHz
Đúng.
c. Giga
Sai.
d. Kilo
Sai.
460082 To represent these two conditions we use binary notation in which ……….. means ON and 0 means OFF. a. 3
Sai.
b. 2
Sai.
c. 4
Sai.
d. 1
Đúng.
460083
Talk about different kinds of ….. communication systems: teletext, fax, local bulletin boards and the Internet a. data
Đúng.
b. record
Sai.
c. Database d. file
Sai. Sai.
460084 You can participate in newsgroups …… live conversations a. and
Đúng.
b. into
Sai.
c. a mong d. or
Sai. Sai.
460085 These ….. are still quite complex and restricted to particular machines. a. programming
Sai.
b. languages c. code d. link
Đúng. Sai. Sai.
460086 I remember ….. down the computer before I left the room. a. cutting b. sleeping c. sitting d. shutting
Sai. Sai. Sai. Đúng.
460087 A large …………… of PC manufacturers adopted BASIC.
a. thing
Sai.
b. device
Sai.
c. number
Đúng.
d. people
Sai.
460088 The menu of colors available on a graphics system; its size depends ……the hardware a. on
Đúng.
b. up
Sai.
c. in
Sai.
d. of
Sai.
460089 A ……… is your computer’s link to the external world. a. modem
Đúng.
b. telephone
Sai.
c. cable
Sai.
d. wire
Sai.
460090 Nowaday, people can understand and discuss basic ideas about security and privacy on the …………… a. Radio b. Satellite c. Television d. Internet
Sai. Sai. Sai. Đúng.
460091 To access massive databases containing all …………. information, or to be connected with an airline reservations service. a. kinds of
Đúng.
b. in kind
Sai.
c. a kind of
Sai.
d. kind of
Sai.
460092 They also let you …… their online encyclopedias and special databases a. seek
Sai.
b. retrieval
Sai.
c. search
Đúng.
d. find
Sai.
460093 You can also access your office ……… your computer at home or your laptop in a hotel room. a. with
Sai.
b. into
Sai.
c. in
Sai.
d. from
Đúng.
460094 Your PC is ……… (it works with strings of 1s and 0s). a. machines
Sai.
b. an device
Sai.
c. a digital device d. devices
Đúng.
Sai.
460095 Using a modem, they transfer their work into the office where it ……….and distributed. a. are printed b. were printed
Sai. Sai.
c. was printed d. is printed
Sai. Đúng.
460096 Eight bits together are called ……... a. Kilobyte b. Gigabyte c. a byte d. Megabyte
Sai. Sai. Đúng. Sai.
460097 Remember that the transfer rate also depends on the ……..of your computer. a. harddisk
Sai.
b. monitor
Sai.
c. power d. optical disk
Đúng. Sai.
460098 Câu 18:A Jaz cartridge can store up to 2 GB of data, whereas a Zip drive can ….. up to 250 MB of data. Chọn một câu trả lời A) print Sai B) save Sai C) store Đúng D) convert Sai 460099 Câu 20:They can be used to teach courses such as computer-aided design, language …..., mathematics, etc. Chọn một câu trả lời A) like Sai B) see Sai C) working Sai D) learning Đúng 460100 Câu 15:You ………… type your user name and password to access a locked computer system or network Chọn một câu trả lời A) has to Sai B) have to Đúng C) haven’t to Sai D) had to Sai 460101 Câu 20:They also ….. the automatic cash dispensers which, by the use of a personal coded card, dispense money to clients. Chọn một câu trả lời A) control Đúng B) instruction Sai C) test Sai D) study Sai 460102 Câu 13:The duties of …… administrator are wide-ranging, and vary widely from one organization to another Chọn một câu trả lời A) screens Sai B) screen Sai C) the screen Sai D) a screen Đúng 460104 Câu 14:In my school, computers are used to speed up the process of looking for references…….the library. Chọn một câu trả lời A) under Sai B) in Đúng C) on Sai D) at Sai 460105 Câu 5:To protect crucial data, companies hire security consultants ………… analyze the risks and provide security solutions. Chọn một câu trả lời A) whose Sai B) that Sai C) which Sai D) who Đúng
460106 Remember also ………… your anti-virus software as often as possible, since new viruses are being created all the time. a. update
Sai.
b. Upload
Sai.
c. to upgrade
Sai.
d. to update
Đúng.
460107 Câu 14:What makes your computer such a miraculous ………? Chọn một câu trả lời A) road Sai B) mean Sai C) device Đúng D) line Sai 460108 It is an electronic filing cabinet which manages large collections of …..such as customers’ lists, accounts, or inventories. a. record b. file c. data d. database
Sai. Sai. Đúng. Sai.
460109 Câu 33:To transmit data, a workstation ……. a token, and as there is only one token per network, holding one guarantees sole use of the network. Chọn một câu trả lời A) need Sai B) needfully Sai C) needs Đúng D) to need Sai 460110 Câu 13:Factories: machinery, ….., production line, computer-aided manufacturing software. Chọn một câu trả lời A) car Sai B) cat Sai C) student Sai D) robot Đúng 460111 Câu 40: In the office, computers are used to write letters and keep ….. of clients, suppliers, and employees. Chọn một câu trả lời A) files Sai B) records Đúng C) databases Sai D) data Sai 460115 Câu 14:Disk drives are used to handle …. or more floppy disks Chọn một câu trả lời A) one Đúng B) tow Sai C) three Sai D) four Sai 460116 Câu 19:Input devices enable data to go into the computer’s …….. Chọn một câu trả lời A) software Sai B) memory Đúng C) hardware Sai D) floppy Sai 460117 The only language they can understand directly is called …… code.
a. people
Sai.
b. machine
Đúng.
c. computer
Sai.
d. pen
Sai.
460118 This consists of the 1s ….. 0s (binary code) that are processed by the CPU a. beside b. of
Sai. Sai.
c. over
Sai.
d. and
Đúng.
460120 Câu 34:On compilation, each statement in a high-level language is generally …. into many machine code instructions. Chọn một câu trả lời A) transfered Sai B) converted Sai C) translated Đúng D) exchanged Sai 460121 Basic……….., where the program is similar to the machine code version, are known as low-level languages a. languages
Đúng.
b. language
Sai.
c. the languages
Sai.
d. a language
Sai.
460123 People ….. instructions to the computer in symbolic languages and the easier this communication can be made, the wider the application of computers will be. a. learning
Sai.
b. programming
Sai.
c. communicate
Đúng.
d. communicating
Sai.
460124 Can Java run on any computers (Mac, PC, or …… workstation)? a. Java
Sai.
b. LINUX c. C
Sai. Sai.
d. UNIX
Đúng.
460125 Câu 25:She created the site ……… a program called Netscape Composer. Chọn một câu trả lời A) using Đúng B) use Sai C) used Sai D) the use Sai 460126 Câu 13:The transfer ….. graphically displayed. Chọn một câu trả lời A) are Sai B) is Đúng C) was Sai D) were Sai 460127 Don’t …… an email attachment a. close
Sai.
b. open
Đúng.
c. inform
Sai.
d. cancel
Sai.
460128 ….. large number of PC manufacturers adopted BASIC. a. an
Sai.
b. the c. A
Sai. Đúng.
d. lots of
Sai.
460129 A cell can hold three ……….information: text, numbers and formulas. a. type of b. types of
Sai. Đúng.
c. typed of
Sai.
d. typer of
Sai.
460130 Some programs also have a database facility …….. transforms the values of the cells into a database. a. it
Sai.
b. which c. that d. whose
Đúng. Sai. Sai.
460131 Let us ………………… some features and applications. a. look in
Sai.
b. look at
Đúng.
c. look out
Sai.
d. look up
Sai.
460132 Local bulletin board system (BBS) to ……….. shareware and public domain programs from a user group. a. receive b. send c. see d. look
Đúng. Sai. Sai. Sai.
460133 Teletext to find out weather forecasts and sports information from ………. a. USB
Sai.
b. computer c. the television
Sai. Đúng.
d. the manager
Sai.
460134 Email is your personal ……… to the Internet. a. connectied
Sai.
b. connective
Sai.
c. connecting
Sai.
d. connection
Đúng.
460135 A ……. is your computer’s link to the external world. a. paper
Sai.
b. copy
Sai.
c. modem
Đúng.
d. magazine
Sai.
460136 Information stored in the RAM is lost when the computer is …………… a. turned in
Sai.
b. turned off
Đúng.
c. turned on
Sai.
d. turned down
Sai.
460137 ……… surface of a floppy disk is divided into concentric circles or ‘tracks’, which are then divided into ‘sectors’. a. an b. a
Sai. Sai.
c. The
Đúng.
d. This
Sai.
460138 Can you think of one advantage that …………….have over floppies? a. optical disks
Sai.
b. soft disks
Sai.
c. floppies disks
Sai.
d. hard disks
Đúng.
460139 Hard disks can also hold vast ………information, from 500 MB up to several gigabytes. a. the amounts of
Sai.
b. amount of
Sai.
c. amounts of
Đúng.
d. an amounts of
Sai.
460140 You ….. type your user name and password to access a locked computer system or network a. had to b. have to
Sai. Đúng.
c. having to d. has to
Sai. Sai.
460141 They ….. a message when you try to send personal information to a server. a. design
Sai.
b. open
Đúng.
c. shown
Sai.
d. close 460142
Sai.
If you use multimedia………………, you need the same storage capacity as required for word processors a. applications
Đúng.
b. application
Sai.
c. applied
Sai.
d. apply
Sai.
460143 Two networks are ……..via satellite. a. cut
Sai.
b. transmitted
Sai.
c. linked
Đúng.
d. looked
Sai.
460144 These languages ….. still quite complex and restricted to particular machines. a. were
Sai.
b. are
Đúng.
c. was
Sai.
d. is
Sai.
460145 On compilation, each statement in a high-level language is generally translated into … machine code instructions. a. much
Sai.
b. a litle
Sai.
c. many
Đúng.
d. any
Sai.
460146 What can be erased and written ……… like a hard disk?
a. of
Sai.
b. over c. in d. on
Sai. Sai. Đúng.
460147 In addition, CD-ROM drives can play music CDs ………… you are working. a. when
Sai.
b. while
Đúng.
c. whilere
Sai.
d. in time
Sai.
460148 They can also hold vast amounts of ………., from 500 MB up to several gigabytes a. the information b. informatics
Sai. Sai.
c. informatic
Sai.
d. information
Đúng.
460149 Input devices are the pieces of hardware which allow us to enter information …………. the computer. a. in b. on
Sai. Sai.
c. within d. into
Sai. Đúng.
460150 CD-ROM disks are very common and conform to a …………. a. information
Sai.
b. news
Sai.
c. performance
Sai.
d. standard
Đúng.
460152 Câu 3:…….., they are not affected by magnetic fieldsChọn một câu trả lời A) Besides Đúng B) In front of Sai C) Opposite Sai D) By Sai 460153 For this reason, it can …… a large amount of multimedia software. a. store
Đúng.
b. construct
Sai.
c. active
Sai.
d. instruction
Sai.
460154 Câu 15:The computer mouse is a hand-operated device …… lets you control more easily the location of the pointer on your screen. Chọn một câu trả lời A) which Đúng B) it Sai C) who Sai D) that Sai 460155 A scanner converts texts or pictures into electronic ……… that can be manipulated by the computer. a. codes
Đúng.
b. coded
Sai.
c. code
Sai.
d. coding
Sai.
460157 Câu 23:Notebook computers will definitely not be cheaper …… year. Chọn một câu trả lời A) next Đúng B) last Sai C) in Sai D) since Sai 460158 The word ‘modem’ is … abbreviation of MOdulator/DEModulator a. these
Sai.
b. an
Đúng.
c. the
Sai.
d. a
Sai.
460159 Programs which can be used on a particular ……. system. a. control
Sai.
b. operation
Sai.
c. computer
Đúng.
d. experiment
Sai.
460160 The effective use of sound can be used to grab the attention of the participant, …… the mood, or underscore a point. a. take
Sai.
b. make
Sai.
c. set
Đúng.
d. let
Sai.
460161 However, a fast-moving ……..‘refresh rate’ eliminates this annoying flicker. a. 75 Hz
Đúng.
b. 77 Hz
Sai.
c. 76 Hz
Sai.
d. 78 Hz
Sai.
460162 Multimedia applications do not ….. huge amounts of data. a. storage
Sai.
b. permit
Sai.
c. use d. exchange
Đúng. Sai.
460163 As a result, the division …… ‘minis’ and ‘micro’ is now disappearing. a. inside
Sai.
b. down
Sai.
c. between d. into
Đúng. Sai.
460164 Dot-matrix printers ……… pins to print the dots required to shape a character. a. used
Sai.
b. use
Đúng.
c. use to
Sai.
d. using
Sai.
460165 How ………..laser printers are advertised here? a. many
Đúng.
b. much
Sai.
c. the a litle d. a litle
Sai. Sai.
460166 There are no language courses ……. on CD-ROM. a. online b. available c. offline d. no-working 460167
Sai. Đúng. Sai. Sai.
They scan the image with a laser beam and transfer it to …. with a special ink powder. a. pen
Sai.
b. book
Sai.
c. paper
Đúng.
d. ruller
Sai.
460168 Another way of controlling computers is…..a Morse code system. a. in
Sai.
b. via
Đúng.
c. out
Sai.
d. on
Sai.
460169 An erasable optical disk system to hold historical …….. in the National Library. a. IPOD b. USB
Sai. Sai.
c. records d. ROM
Đúng. Sai.
460170 A DVD-ROM can hold 17 GB, …… 25 times an ordinary CD-ROM a. in
Sai.
b. about
Đúng.
c. within
Sai.
d. with
Sai.
460171 Which ………is used to measure hard disk capacity?
a. unit
Đúng.
b. a unit
Sai.
c. units
Sai.
d. the unita
Sai.
460172 They can also hold vast amounts of information, from 500 MB ……….. to several gigabytes. a. in
Sai.
b. on
Sai.
c. up
Đúng.
d. out
Sai.
460173 When …….. a hard disk you should consider the kinds of drive mechanisms and products available. a. bought
Sai.
b. buying
Đúng.
c. buyer d. buy
Sai. Sai.
460174 A Jaz cartridge can store up to 2 ……………. of data, whereas a Zip drive can store up to 250 MB of data. a. MB
Sai.
b. KB
Sai.
c. Byte
Sai.
d. GB
Đúng.
460175 What will happen if you change …..of a cell? a. the rate
Sai.
b. the total
Sai.
c. the value
Đúng.
d. the amount of
Sai.
460176 A cell …... hold three types of information: text, numbers and formulas. a. allow
Sai.
b. can
Đúng.
c. help
Sai.
d. permit
Sai.
460177 In this case, each …. is a field and each row is a record. a. column
Đúng.
b. row
Sai.
c. table d. cell
Sai. Sai.
460178 ……. moves between the CPU and RAM. a. Data
Đúng.
b. Record c. file
Sai. Sai.
d. Document
Sai.
460180 It is easy to use and it’s written…………..English. a. on
Sai.
b. up
Sai.
c. over d. in
Sai. Đúng.
460181 You have to type your credit card number into an order ….. which passes from computer to computer on its way to the online bookstore. a. style
Sai.
b. way
Sai.
c. kind
Sai.
d. from
Đúng.
460183 Câu 6:Israelis arrest three 18-year-old men….. hacking foreign banking and credit card networks. Chọn một câu trả lời A) to Sai B) for Đúng C) and Sai D) up Sai 460184 Câu 28:With regard to Local Talk networks, …. use AppleTalk protocols. Chọn một câu trả lời A) she Sai B) it Sai C) he Sai D) they Đúng 460185 Câu 18:They change the data to make it compatible with …..of different networks. Chọn một câu trả lời A) the route Sai B) the bridge Sai C) the protocols Đúng D) the system Sai 460188 Câu 17:Windows files have a .zip ……….. Chọn một câu trả lời A) store Sai B) move Sai C) lost Sai D) extension Đúng 460189 Câu 7:In a network environment, any authorized computer user can access ……….. and information stored on other computer on the network Chọn một câu trả lời A) a data Sai B) data Đúng C) the data Sai D) Database Sai 460190 Câu 13:The Network …………. is usually the BAMF level of technical/network staff in an organization and will rarely be involved with direct user support. Chọn một câu trả lời A) administrator Đúng B) administrators Sai C) the administrator Sai D) an administrator Sai 460191 Câu 11:Ethernet uses………wiring to connect devices. Chọn một câu trả lời A) physic Sai B) physical Đúng C) the physical Sai D) physically Sai 460192 Câu 18:Fiber optic cable …………one or more filaments of glass fiber wrapped in protective layers. Chọn một câu trả lời A) consisted Sai B) consists Sai C) consist Sai D) consists of Đúng 460193 Câu 25:tworks can be linked together…..either telephone lines or fibre-optic cables. Chọn một câu trả lời A) by Đúng B) up Sai C) on Sai D) over Sai 460194
Two good examples of wide area networks are ….. and Arpanet. a. WAN b. LAN
Sai. Sai.
c. Arpanet
Sai.
d. Internet
Đúng.
460195 Câu 11:Networks on different continents can also be connected ….. satellite.Chọn một câu trả lời A) via Đúng B) upon Sai C) on Sai D) up Sai 460197 Câu 4:The file server probably …. application programs like databases, spreadsheets, and accounting packages Chọn một câu trả lời A) nclude Sai B) contains Đúng C) contain Sai D) exclude Sai 460198 Câu 14:When you ….a Web page containing Java links, a Java program is executed automatically. Chọn một câu trả lời A) occurre Sai B) see Đúng C) activity Sai D) open Sai 460199 Câu 15:Ja va is cross-platform language that can ….. on any machine. Chọn một câu trả lời A) run Đúng B) interest Sai C) operate Sai D) control Sai 460200 Câu 12:Can Java run ….. any computer (Mac, PC, or UNIX workstation)? Chọn một câu trả lời A) between Sai B) via Sai C) on Đúng D) in Sai 460201 You ….. down the computer. a. open
Sai.
b. cancel
Sai.
c. delete
Sai.
d. close
Đúng.
460202 Câu 37:Your browser ………. from the Internet. Chọn một câu trả lời A) updates Sai B) uploads Sai C) downloads Đúng D) upgrates Sai 460203 Câu 7:……. the machine is disconnected. Chọn một câu trả lời A) Confirm Sai B) Ensure Đúng C) Concern Sai D) Require Sai 460204 Câu 8:Understand the ……….of memory (bits, bytes, KB, MB, GB) Chọn một câu trả lời A) forms Sai B) ways Sai C) kinds Sai D) units Đúng 460205
It is an electronic filing cabinet …… manages large collections of data such as customers’ lists, accounts, or inventories a. that
Sai.
b. which c. who d. it
Đúng. Sai. Sai.
460206 Câu 1:In the office, computers are used ……letters and keep records of clients, suppliers, and employees. Chọn một câu trả lời A) to write Đúng B) read Sai C) to listen Sai D) talk Sai 460207 Its function is to execute program instructions and coordinate the activities of ….. the other units. a. any
Sai.
b. many c. all
Sai. Đúng.
d. a lot of
Sai.
460208 Câu 4:The peripherals are the physical units attached to the computer….. Chọn một câu trả lời A) closed Đúng B) related Sai C) attached Sai D) disconnected Sai 460209 Câu 32:Input devices enable data to go ….. the computer’s memory. Chọn một câu trả lời A) on Sai B) in Sai C) into Đúng D) over Sai 460210 Câu 18:The most common input devices ….. the mouse and the keyboard. Chọn một câu trả lời A) was Sai B) are Đúng C) is Sai D) were Sai 460211 Câu 30:……devices enable us to extract the finished product from the system. Chọn một câu trả lời A) Input Sai B) Output Đúng C) Enter Sai D) Exit Sai 460212 Câu 19:The main memory holds the instructions and data which are currently being processed by the …….. Chọn một câu trả lời A) hardware Sai B) CPU Đúng C) software Sai D) mouse Sai 460213 These are ….. main physical units of a computer system, generally known as the configuration a. a b. an
Sai. Sai.
c. those d. the
Sai. Đúng.
460214 Câu 11:If you only use word-processing programs, you will need less storage capacity than if you use CAD, sound …….. animation programs. Chọn một câu trả lời A) from Sai B) to Sai C) and Đúng D) at Sai 460215 Câu 12:Each Jaz cartridge can hold up to 1,000 MB of ………. Chọn một câu trả lời A) document Sai B) record Sai C) folder Sai D) data Đúng 460216 Câu 16:Almost ……. desktop computers have hard disks. Chọn một câu trả lời A) a lot of Sai B) many Sai C) any Sai D) all Đúng 460218 CD-R machines …...CD-R (rewriteable-once) disks, allowing you to create and duplicate CDs. a. record in
Sai.
b. record off
Sai.
c. record on
Đúng.
d. record to
Sai.
460220 Câu 2:The contents of the newsgroups are contributed by people who …… articles (messages) or respond to articles. Chọn một câu trả lời A) procedure Sai B) send Đúng C) design Sai D) create Sai 460222 Many XA drives are also compatible with Kodak’s PhotoCD technology, which digitizes photographs and places them on a CD-ROM in ………. a. single
Sai.
b. multimedia c. media d. double
Đúng. Sai. Sai.
460223 Câu 14:The reason for CD-ROM’s popularity in multimedia is simple – a single CD can contain 650 ….. of data. Chọn một câu trả lời A) KB Sai B) MB Đúng C) GB Sai D) Byte Sai 460226 Câu 11:Java …by Sun Microsystems.Chọn một câu trả lời A) was seen Sai B) was opened Sai C) invented Đúng D) introducted Sai
460228 Câu 4:This enables you to run programs …… on them and edit files directly. Chọn một câu trả lời A) managed Sai B) kept Đúng C) touch Sai D) worked Sai 460229 ……………..conferencing programs enable users to talk to and see each other, and collaborate. a. pen
Sai.
b. book
Sai.
c. video
Đúng.
d. computer
Sai.
460230 Internet software but make their Web ….. accessible only to employees and authorized users. a. magazine
Sai.
b. sheet
Sai.
c. paper
Sai.
d. site
Đúng.
460231 Email is …. personal connection to the Internet. a. your b. it
Đúng. Sai.
c. their
Sai.
d. hers
Sai.
460232 Topics covered include: LAN, congestion/flow/error control, routing, addressing, naming, switching, internetworking, quality of service, and ……….. security. a. people b. data c. device
Sai. Sai. Sai.
d. network
Đúng.
460233 Information is entered on a database via ………... a. database
Sai.
b. fields
Đúng.
c. information
Sai.
d. document
Sai.
460234 The point where a column …… a row intersect is called a cell. a. off
Sai.
b. into
Sai.
c. and
Đúng.
d. at
Sai.
460235 This sequence is repeated 50, 60, or 75 …… per second, depending on the system. a. kinds
Sai.
b. times
Đúng.
c. styles
Sai.
d. ways
Sai.
460236 The price also depends on aperture grill pitch, resolution and number of ……... a. translates
Sai.
b. controls c. reads
Đúng. Sai.
d. communicates
Sai.
460237 The VGA (video graphics array) card ….. become a standard for color monitors. a. get
Sai.
b. has
Đúng.
c. got
Sai.
d. had
Sai.
460318 Câu 2:They are looking for people who can administer their enterprise network security ….. and …. as a strategic priority Chọn một câu trả lời A) Safely – securely Sai B) Safe – secure Sai C) Safely – secure Sai D) Safely – securely Đúng 460319 Internet usage is …… by the day and correspondingly the need for larger bandwidth for simultaneous transfer of data, voice and visuals. a. changing
Sai.
b. increased
Sai.
c. increasing
Đúng.
d. increase
Sai.
460320 Modem are the devices, which are ….. to translate the digital data into the analog format and vice versa a. used to
Sai.
b. used
Đúng.
c. using
Sai.
d. use
Sai.
460323 Câu 21:Anytime you use the Internet you ……. be at risk and your information and your personal finances or even your family. Chọn một câu trả lời A) able to Sai B) would Sai C) can Sai D) could Đúng 460325 Hacker break-ins and compromises of personal computer running various versions of Microsoft Windows…………. Common on the Standford campus
a. have been b. has at c. has been d. have at
Đúng. Sai. Sai. Sai.
460326 A computer network is simply two or more computers ..…. together so they can exchange information. a. connect
Sai.
b. connection
Sai.
c. connected
Đúng.
d. have connected
Sai.
460327 Computers and similar devices are called ..... when connected to a network a. server
Sai.
b. workstation
Sai.
c. nodes
Đúng.
d. station
Sai.
460328 Network adapter is expansion cards that provide the physical ….. between each computer and the network. a. connected
Sai.
b. have connected c. connect d. connection
Sai.
Sai. Đúng.
460329 Instead of working in isolation as you do on a single computer not linked to a network, you can work collectively, ……….. a system that shares resources among a group of computer users.
a. Within
Đúng.
b. over c. to d. for
Sai. Sai. Sai.
460330 Câu 3:Network cables: special, unshielded twisted-pair (UTP) cables used to connect each computer to the hub. The cable you need is Category 5 UTP cable with a square plastic ...... connector on each end. Chọn một câu trả lời A) RJ-11 Sai B) RJ-45 Đúng C) USB Sai D) RMS Sai 460331 Ethernet is the industry-wide standard for computer networks. Standard Ethernet networks transmit data ..... 10 million bits per second (Mbps). a. on
Sai.
b. at
Sai.
c. in
Đúng.
d. of
Sai.
460332 The Ethernet standard for …..networking is the IEEE 802.11b…..standard. The 802.11b standard supports …connections at speeds up to 11 Mps, comparable to 10 Mbps wired Ethernet. a. wireless b. wired
Đúng. Sai.
c. bluetooth d. peer-to-peer
Sai. Sai.
460333 The Internet is a world-wide collection of thousands of ….. computer networks. a. interconnects b. interconnecting c. interconnect d. interconnected
Sai. Sai. Sai. Đúng.
460334 Computer network management is a purely technical..... a. procedure b. skill c. ability
Sai. Sai. Sai.
d. function
Đúng.
460335 Network ………. involves configuring and managing LANs (Local Area Networks), WANs (Wide Area Networks) and VPNs (Virtual Private Networks) a. administration
Đúng.
b. administrator c. manager
Sai. Sai.
d. management
Sai.
460336 Câu 9:Internet Security is an emerging technology in networking, …… can be implemented by using Firewalls Chọn một câu trả lời A) who Sai B) whom Sai C) that Sai D) which Đúng 460337 Peer-to-peer is the same type of network plan you find in a home. There is limited ....., and it's mainly for file and print sharing. a. cable
Sai.
b. conservation
Sai.
c. security
Đúng.
d. network
Sai.
460338 A network is simply a means for computers to …… to each other, or communicate with each other a. have speaked
Sai.
b. speaked
Sai.
c. speaking
Sai.
d. speak
Đúng.
460339 Câu 6:The simplest network is a LAN . This is..... all the computers in the network are located in one place such as an office building. Chọn một câu trả lời A) Whose Sai B) Where Đúng C) When Sai D) Which Sai 460340 This is where all the computers in the network are connected to each other via a ...... a. router b. database
Sai. Sai.
c. workstation
Sai.
d. central computer
Đúng.
460357 Câu 6:Hub is the central connection point for network cables that connect ….. computers or other devices on a network. Chọn một câu trả lời A) to Đúng B) for Sai C) over Sai D) within Sai 460358 Each computer on your network can ……. folders, entire disk drives, or a CD-ROM drive. a. permissions
Sai.
b. share
Đúng.
c. change
Sai.
d. feedback
Sai.
460359 Câu 6:Large networks are usually constructed by connecting several small networks together with special networking equipment ….. controls communication between the smaller segments of subnetworks or subnets Chọn một câu trả lời A) this Sai B) these Sai C) those Sai D) that Đúng 460360 Networking is …. the world of consumer electronics, biomedicine, industrial automation, super computing and defence a. transfering
Sai.
b. converting
Sai.
c. transmiting
Sai.
d. changing
Đúng.
460361 Câu 31:Knowledge of computer hardware is .... foundation for a career in computer networking Chọn một câu trả lời A) a Sai B) any Sai C) an Sai D) the Đúng 460363 LAN card………is also called Network interface card is installed in every individual computer…...is to be included in network, each Nic is assigned unique address for unique identification a. which
Đúng.
b. why
Sai.
c. that
Sai.
d. whose
Sai.
460364 …….. the term is applied to any device, system, or software application that can perform the function of translating data from one format to another a. Adapter b. Port
Sai. Sai.
c. Gateway
Đúng.
d. Transducer
Sai.
460365 File server is a computer and storage……dedicated to storing files for any user on the network to store files on the server a. software
Sai.
b. physical device c. device
Sai.
Đúng.
d. hardware
Sai.
460366 Broadcast networks…….a single communication channel that is shared by all the machines on the network a. was
Sai.
b. has
Sai.
c. were
Sai.
d. have
Đúng.
460367 Unicasting Point-to-point………with one sender and one receiver a. transmission
Đúng.
b. conversion c. change
Sai. Sai.
d. transfer
Sai.
460368 Network architecture a set …… layers and protocols a. in
Sai.
b. at
Sai.
c. on
Sai.
d. of
Đúng.
460369 Bandwidth the rated throughput capacity of a given network media or protocol. The amount of data that can….transmitted in a fixed amount of time a. was
Sai.
b. be
Đúng.
c. is d. are
Sai. Sai.
460370 Câu 15:……. boost signal strength that is it weakens along a cable during transmission from one point to another by electrically amplifying the signal it receives and rebroadcasts it Chọn một câu trả lời A) Routers Sai B) Bridges Sai C) Repeaters Đúng D) Switchs Sai 460371
Tree topology is basically …... mixture of many Star topology designs connected together using bus topology. a. a
Sai.
b. the c. an
Đúng. Sai.
d. these
Sai.
460372 For historical reasons, the networking industry……to nearly every type of design as some kind of area network. a. refer
Sai.
b. referred
Sai.
c. refers
Đúng.
d. have referred
Sai.
460373 A LAN connects network devices over a relatively short distance. In TCP/IP networking, a LAN is often but not always…...as a single IP subnet. a. implementer
Sai.
b. implemented
Đúng.
c. implementing
Sai.
d. implement
Sai.
460374 Residences typically employ one LAN and connect to the Internet WAN via an Internet Service Provider (ISP) using a …….. a. hub
Sai.
b. server
Sai.
c. router
Sai.
d. broadband modem
Đúng.
460375 Campus Area Network - a network spanning multiple …...but smaller than a….., such as on a university or local business campus. a. MANs…..….WAN
Sai.
b. LANs……....MAN
Đúng.
c. MAN……....WAN
Sai.
d. LAN …… MAN
Sai.
460376 Storage Area Network - connects servers to data storage devices through a technology like …... a. Fibre Channel b. OSI
Đúng.
Sai.
c. RAID
Sai.
d. OSPF
Sai.
460377 Networking software……a key component of today's computer networks, including the Internet. Understanding the types of networking software is the first step in understanding how your computer network really works. a. ware
Sai.
b. are
Sai.
c. was
Sai.
d. is
Đúng.
460394 Câu 12:Routers route data around the network from data senders to receivers. It is able to determine the destination address for the data and determines the best way for the data to continue……..journey Chọn một câu trả lời A) itself Sai B) theirs Sai C) their Sai D) its Đúng 460396 Câu 12:In Star Topology, all computers …… to central device called hub, router or switches using Unshielded Twisted Pair (UTP) or Shielded Twisted Pair cables Chọn một câu trả lời A) have connect Sai B) have connected Sai C) is connected Sai D) are connected Đúng 460397
Routers plays …… role in mesh topology, routers are responsible to route the message to its destination address or computer. a. important
Đúng.
b. quality
Sai.
c. major
Sai.
d. operation
Sai.
460400 A network operating system provides a framework…….computers to understand one another, and from which the computers can run shared applications. a. within a from b. for c. at
Sai.
Đúng. Sai.
d. on
Sai.
460402 Câu 11:A campus area network is ….. than a local area network but smaller than a metropolitan area network or wide area network Chọn một câu trả lời A) smaller Sai B) large Sai C) small Sai D) larger Đúng 460403 Câu 28:The managerial duties of being a network supervisor reduce the amount of time ……. is spent at a computer, which can cause eye strain and carpal tunnel syndrome Chọn một câu trả lời A) that Đúng B) what Sai C) which Sai D) these Sai 460404 Packets the unit of data that …… between an origin and a destination on the Internet or any other packet-switched network a. routed b. is routed c. have routed d. are routed
Sai. Đúng. Sai. Sai.
460405 Service Data Unit a set of data that is sent by a user of the services of a given layer, and is transmitted semantically …… to a peer service user
a. unchanged b. carried
Đúng. Sai.
c. transmitted
Sai.
d. changed
Sai.
460406 Multiplexing sending multiple signals or streams of information on a carrier at the same time in the form of a single, complex signal and then …… .the separate signals at the receiving end. a. building
Sai.
b. recovering
Đúng.
c. agglomerating d. returning
Sai. Sai.
460407 A layer that provides error-free communications across a network provides the path needed by applications above it, while it calls …… layer to send and receive packets that make up the contents of the path. a. the top
Sai.
b. the next lower
Đúng.
c. the next higher
Sai.
d. the bottom
Sai.
460408 Protocols enable an entity in one host to interact with a corresponding entity …… .layer in another host. a. at the virtually
Sai.
b. on the virtually
Sai.
c. at the same
Đúng.
d. on the same
Sai.
460409
The Physical Layer defines the …… and physical specifications for devices. In particular, it defines the relationship between a device and a transmission medium, such as a copper or optical cable. a. electrical
Đúng.
b. technology
Sai.
c. analog
Sai.
d. digital
Sai.
460410 The Data Link Layer provides the functional and procedural means to transfer data between network entities and to detect and possibly correct errors that may occur in the …… . Layer. a. Data Link
Sai.
b. Transport
Sai.
c. Network
Sai.
d. Physical
Đúng.
460411 The Network Layer performs network routing functions, and might also perform ….. and reassembly , and report delivery errors a. defragmentation b. set
Sai.
Sai.
c. back up
Sai.
d. fragmentation
Đúng.
460412 The Transport Layer provides transparent transfer of data between end users, providing …… . data transfer services to the upper layers. a. error b. reliable c. completely d. authentic
Sai. Đúng. Sai. Sai.
460413 The Session Layer …. the dialogues between computers. a. controlling
Sai.
b. control
Sai.
c. controls
Đúng.
d. controlled
Sai.
460414 he Presentation Layer establishes context between Application Layer entities, in …… the higher-layer entities may use different syntax and semantics if the presentation service provides a mapping between them. a. that
Sai.
b. when
Sai.
c. which
Đúng.
d. whom
Sai.
460415 The presentation layer transforms data into the form that the application accepts. This layer formats and …… data to be sent across a network. It is sometimes called the syntax layer. a. fragmentation b. decrypts c. analyse
Sai. Sai.
Sai.
d. encrypts
Đúng.
460416 The Application Layer is the OSI layer closest to the end user, ….. means that both the OSI application layer and the user interact directly with the software application. a. what b. and c. which
Sai. Sai. Đúng.
d. that
Sai.
460417 In …… communication, all communication between applications requires cooperation that is managed by the application layer. a. distributing
Sai.
b. digitalizer
Sai.
c. analysing
Sai.
d. synchronizing
Đúng.
460418 When …… networking it is always sensible to approach the problem from the perspective of the OSI model. a. viewing
Sai.
b. designing
Sai.
c. troubleshooting d. hacker
Đúng.
Sai.
460419 If there are …… on the network card, chances are that the cable is broken of there is a hardware failure on the network card itself. a. lights
Sai.
b. no green lights
Sai.
c. red lights
Sai.
d. no lights
Đúng.
460420 At Data Link layer, data packets …… And …… into bits. It furnishes transmission protocol knowledge and management and handles errors in the physical layer, flow control and frame synchronization. a. is decoded/ encoded
Sai.
b. is encoded/ decoded
Sai.
c. are encoded/ decoded
Đúng.
d. are decoded/ encoded
Sai.
460421 …… addresses are supposedly globally unique to a device, but some people like to play around which can cause problems (google for arp poisoning / spoofing). a. gateware
Sai.
b. static IP c. MAC
Sai. Đúng.
d. dynamic IP
Sai.
460422 The ‘route print’ command will show you your …… table in windows. Every other operating system will have commands to show the routing table a. printing
Sai.
b. diagramming c. routing
Sai. Đúng.
d. mapping
Sai.
460423 TCP …… with IP as a means to ensure that the data within the packets is sent and received without any loss. a. are used
Sai.
b. is used
Đúng.
c. is linked
Sai.
d. are combined
Sai.
460424 Presentation layer …… independence from differences in data representation (e.g., encryption) by translating from application to network format, and vice versa. a. is provided
Sai.
b. provide
Sai.
c. provides
Đúng.
d. provided
Sai.
460425 Communication partners are identified, quality of service …… . , user authentication and privacy are considered, and any constraints on data syntax are identified. a. are authentication
Sai.
b. is authentication c. is identified
Sai. Đúng.
d. are identified
Sai.
460458 NetBIOS provides services related to the …… layer of the OSI model allowing applications on separate computers to communicate over a local area network a. application b. transport
Sai. Sai.
c. presentation d. session
Sai. Đúng.
460459 Câu 29:Encryption …… conversion of data into a form, called a ciphertext, that cannot be easily understood by unauthorized people Chọn một câu trả lời A) these Sai B) the Đúng C) a Sai D) an Sai 460460 Câu 20:The Open Systems Interconnection model is a product of the Open Systems Interconnection effort …… the International Organization for StandardisationChọn một câu trả lời A) of Sai B) to Sai C) in Sai D) at Đúng 460461 A Service Data Unit (SDU) is a specific unit of data that has been passed down from an OSI layer to a …… layer, and which the …… layer has not yet encapsulated into a protocol data unit (PDU). a. application b. higher
Sai. Sai.
c. lower
Đúng.
d. physical
Sai.
460462 Câu 37:Of the actual OSI protocols, there are …… classes of connection-mode transport protocols ranging from class 0 to class 4. Chọn một câu trả lời A) five Đúng B) six Sai C) three Sai D) four Sai 460464 The TCP/IP Model is sometimes…… the Internet Model or the DoD Model. a. called
Đúng.
b. to be call
Sai.
c. calls
Sai.
d. calling
Sai.
460465 The TCP/IP model, or Internet Protocol Suite,…… a set of general design guidelines and implementations of specific networking protocols to enable computers to communicate over a network a. are described b. describes c. describe
Sai. Đúng. Sai.
d. described
Sai.
460466 TCP/IP provides end-to-end connectivity specifying how data should be formatted, addressed, transmitted, routed and received……. the destination. a. in
Sai.
b. on
Sai.
c. at
Đúng.
d. of
Sai.
460467 The TCP/IP model and related protocols………. maintained by the Internet Engineering Task Force (IETF).
a. are
Đúng.
b. is
Sai.
c. be
Sai.
d. has
Sai.
460468 The lack of emphasis on layering is a……………... between the IETF and OSI approaches. a. supported
Sai.
b. strong difference c. inheritance
Đúng. Sai.
d. similarity
Sai.
460469 Application Layer (process-to-process) is the scope ……. which applications create user data and communicate this data to other processes. a. for
Sai.
b. to
Sai.
c. within d. over
Đúng. Sai.
460470 The Transport Layer provides a uniform networking interface…….. hides the actual topology (layout) of the underlying network connections. a. which
Sai.
b. whom
Sai.
c. while
Sai.
d. that
Đúng.
460471 The Internet Layer has the task of exchanging datagrams across network boundaries.
a. datas
Sai.
b. datagrams
Đúng.
c. packet
Sai.
d. package
Sai.
460472 Link layer describes the protocols used to describe the local network topology and the interfaces needed to affect transmission …… Internet Layer datagrams to next-neighbor hosts. a. in
Sai.
b. on
Sai.
c. of
Đúng.
d. to
Sai.
460473 Two Internet hosts connected via two routers and the corresponding ….. used at each hosts a. software b. device
Sai. Sai.
c. hardware d. layers
Sai. Đúng.
460474 The layers near the top are logically closer to the user application, while…... near the bottom are logically closer to the physical transmission of the data. a. these b. that c. those d. this
Sai. Sai. Đúng. Sai.
460475 UDP provides data integrity (via a checksum) but does……… delivery; TCP provides both data integrity and delivery…….
a. guarantee+not guarantees
Sai.
b. guarantee+not guarantee
Sai.
c. not guarantee+guarantee
Đúng.
d. not guarantee+guarantees
Sai.
460476 TCP/IP model lacks the formalism………. the OSI reference model and associated documents, but the IETF does not use a formal model and does not consider this a limitation a. of
Đúng.
b. for
Sai.
c. on
Sai.
d. at
Sai.
460477 Link Layer defines the networking methods with the scope ….. the local network link on which hosts communicate without intervening router a. in
Sai.
b. of
Đúng.
c. on
Sai.
460478 IP addresses are separated ….. four octets; 192 to a 168.11.24, or 244 is mine a. to
Sai.
b. in
Đúng.
c. of
Sai.
d. on
Sai.
460500 Transport Layer …….. the networking regime between two network hosts, either on the local network or on remote networks separated by routers. a. are constituted
Sai.
b. is constituted
Sai.
c. constitute
Sai.
d. constitutes
Đúng.
460501 Link Layer defines the networking methods with the scope of the local network link on which hosts communicate without intervening……… a. hubs
Sai.
b. servers
Sai.
c. routers.
Đúng.
d. modems
Sai.
460503 Medium Access Control provides addressing and channel access control mechanisms …… make it possible for several terminals or network nodes to communicate within a multi-point network. a. when
Sai.
b. that
Đúng.
c. which
Sai.
d. those
Sai.
460504 Unicast transmission a single packet is sent from the …… to a destination on a network a. point b. machine
Sai. Sai.
c. station
Sai.
d. source
Đúng.
460505 Multicast transmission consists of a single data packet that is copied and sent to a specific subset of …… on the network a. computers
Sai.
b. points
Sai.
c. nodes
Đúng.
d. workstations
Sai.
460506 Broadcast transmission consists of a single data packet that …… and sent to all nodes on the network a. are copied
Sai.
b. have copied
Sai.
c. has copied
Sai.
d. is copied
Đúng.
460507 LAN is a ……-speed data network that covers a relatively small geographic area a. low b. high
Sai. Đúng.
c. normal d. medium
Sai. Sai.
460508 LANs offer computer users many advantages, including shared access to devices and ………, file exchange between connected users, and communication between users via electronic mail and other applications. a. software b. printers c. images d. applications
Sai. Sai. Sai. Đúng.
460509 LAN protocols function at the ….. two layers of the OSI reference model. a. consecutive
Sai.
b. lowest
Đúng.
c. highest
Sai.
d. between
Sai.
460510 Multiple devices cannot talk on the network simultaneously, some type of method must …… to allow one device access to the network media at a time a. is used
Sai.
b. be used
Đúng.
c. are used
Sai.
d. use
Sai.
460511 A 100-Mbps Ethernet segment is capable of transmitting 200 Mbps of data, but only 100 Mbps can …… in one direction at a time a. travelling
Sai.
b. travel
Đúng.
c. travels
Sai.
d. travelled
Sai.
460512 In large networks, the delay between turns to …… may be significant because the token is passed around the network. a. transmits
Sai.
b. transmiting
Sai.
c. transmitted
Sai.
d. transmit
Đúng.
460513 There are four common LAN topologies exist: bus, ring, star, and tree. …… topologies are logical architectures
a. That
Sai.
b. These
Đúng.
c. This
Sai.
d. Those
Sai.
460514 Bus topology is a linear LAN architecture ….. which transmissions from network stations propagate the length of the medium and are received by all other stations. a. on
Sai.
b. in
Đúng.
c. at
Sai.
d. none
Sai.
460515 Ring topology is a LAN architecture that consists of a series of devices …… to one another by unidirectional transmission links to form a single closed loop. a. connected
Đúng.
b. connecting
Sai.
c. connec
Sai.
d. connection
Sai.
460516 Star topology is a LAN architecture in which the …… on a network are connected to a common central hub, or switch, by dedicated links. a. hardwares
Sai.
b. computers
Sai.
c. endpoints
Đúng.
d. devices
Sai.
460517 …… a physical layer device used to interconnect the media segments of an extended network.
a. Repeater
Đúng.
b. Bridges
Sai.
c. Router
Sai.
d. Switche
Sai.
460518 Repeaters receive signals from one network segment and amplify, retime, and retransmit …… signals to another network segment. a. these b. it
Sai. Sai.
c. whose
Sai.
d. those
Đúng.
460519 Hub is a physical layer device ……… connects multiple user stations, each via a dedicated cable. a. those b. it
Sai. Sai.
c. this
Sai.
d. that
Đúng.
460520 LAN extender is a remote-access multilayer switch that connects to a …… router. a. station
Sai.
b. map
Sai.
c. host
Đúng.
d. domain
Sai.
460521 LAN extenders ……… not capable of segmenting traffic or creating security firewalls. a. has
Sai.
b. are
Đúng.
c. have
Sai.
d. is
Sai.
460522 Tree topology is a LAN architecture that is …… to the bus topology, except that branches with multiple nodes are possible in this case a. different
Sai.
b. identical
Đúng.
c. includes
Sai.
d. part of
Sai.
460523 Campus networks generally …… LAN technologies, such as Ethernet, Token Ring, Fiber Distributed Data Interface (FDDI), Fast Ethernet, Gigabit Ethernet, and Asynchronous Transfer Mode (ATM) a. used
Sai.
b. using
Sai.
c. use
Đúng.
d. have used
Sai.
460524 The Enterprise Composite Network Model is a blueprint that network designers can use to simplify the complexity of a large …… a. areas
Sai.
b. diagram
Sai.
c. internetwork d. networks
Đúng. Sai.
460525 The enterprise edge functional area filters traffic from the edge modules and routes it into …… enterprise campus.
a. a
Sai.
b. an
Sai.
c. the
Đúng.
d. these
Sai.
460526 Campus networks …… be designed using a hierarchical, modular approach so that the network offers good performance, maintainability, and scalability. a. should
Đúng.
b. would
Sai.
c. able
Sai.
d. must
Sai.
460527 Network administrator is an information technology job that involves …… in an environment with multiple computers that are connected. a. work
Sai.
b. workswork c. worked d. working
Sai. Sai. Đúng.
460554 Media access method refers to the manner in which a computer gains and …… access to the network’s physical medium. a. stops
Sai.
b. manages
Sai.
c. controls
Đúng.
d. changes
Sai.
460555 Câu 30:Token passing is a channel access method where a ….... called a token is passed between nodes that authorizes the node to communicate Chọn một câu trả lời A) point Sai B) signal Đúng C) region Sai D) local Sai 460556 For CSMA/CD networks, switches segment the network into multiple collision domains. …… reduces the number of devices per network segment that must contend for the media. a. These
Sai.
b. This
Đúng.
c. That
Sai.
d. Those
Sai.
460557 In each type of transmission, a single …… is sent to one or more nodes. a. segment
Sai.
b. group c. part
Sai. Sai.
d. packet
Đúng.
460558 …… commonly used in LANs include repeaters, hubs, LAN extenders, bridges, LAN switches, and routers. a. Hardwares
Sai.
b. Components c. Devices d. Terminal
Sai. Đúng. Sai.
460560 Câu 16:Media contention occurs …… two or more network devices have data to send at the same time. Chọn một câu trả lời A) whom Sai B) whose Sai C) which Sai D) when Đúng 460562 Two devices on a full-duplex connection can send …… as soon as it is ready. a. information
Sai.
b. structure c. data
Sai. Đúng.
d. signal
Sai.
460563 Câu 39:LAN …… transmissions fall into three classifications: unicast, multicast, and broadcast. Chọn một câu trả lời A) files Sai B) programs. Sai C) data Đúng D) images Sai 460564 Câu 35:Token Ring/IEEE 802.5 and FDDI networks …… a ring topology. Chọn một câu trả lời A) security Sai B) management Sai C) control Sai D) implement Đúng 460567 Câu 15:The network administrator provides the …… and order of the network by spelling out the rules and regulations of the company Chọn một câu trả lời A) experience Sai B) ability Sai C) policies Sai D) law Đúng 460568 Câu 1:A skilled network administrator will be able to command a higher …… as his or her experience grows. Chọn một câu trả lời A) ability Sai B) life Sai C) salary Đúng D) money Sai 460569 Threats to network security continually …….. as vulnerabilities in both established and newly introduced systems are discovered. a. be changed b. change
Sai. Sai.
c. changing
Đúng.
d. changed
Sai.
460572 A network security policy defines the access …….. and rules for accessing various assets connected to a network. a. comfortable b. free c. arbitrarily d. limitations
Sai.
Sai. Sai. Đúng.
460573 Jobs of a security architect or director ………. include managing projects, developing and implementing security policies and procedures, tracking emerging technologies and risk mitigation.
a. will
Đúng.
b. willing
Sai.
c. would
Sai.
d. willed
Sai.
460575 Trojan horse programs are a common way for intruders to trick you into ………. "back door" programs a. break-in
Sai.
b. destroyed
Sai.
c. harassing
Sai.
d. installing
Đúng.
460576 Security policy is the foundation of all network security implementations that occur on ……. given network. a. an
Sai.
b. the
Sai.
c. any
Đúng.
d. a
Sai.
460577 Network security is the process through which a network is secured against internal and external ……. of various forms. a. settings
Sai.
b. threats
Đúng.
c. configurations d. intrusion
Sai. Sai.
460578 The ultimate goal of implementing security on a network is achieved by following a series of steps, each aimed at clarifying the relationship between the attacks and the measures that protect against……...
a. them b. it
Đúng. Sai.
c. that d. us
Sai. Sai.
460579 Most enterprises today implement network systems to provide information to users across the network in digital format rather …… in another form a. more
Sai.
b. none
Sai.
c. as d. than
Sai. Đúng.
460580 …… access occurs when a user attempts to view or alter information that was not intended for his or her specific us a. Inadvertent
Sai.
b. Random
Sai.
c. Unauthorized d. Allowed
Đúng. Sai.
460581 Câu 11:Network security implementation ……. aim to achieve the following goals: ascertain data confidentiality, maintain data integrity, maintain data availability Chọn một câu trả lời A) can Sai B) could Sai C) shall Sai D) should Đúng 460582 Most risk analysis assessments can …… divided into these three categories as well: confidentiality, integrity, availability a. be b. have c. are
Đúng. Sai. Sai.
d. has
Sai.
460583 You must ……. a risk assessment technique that can best identify the risks associated with a site. a. choosing
Sai.
b. choose
Đúng.
c. choosen
Sai.
d. choosed
Sai.
460584 The policy must prioritize ……… efforts to mitigate threats against the high-risk assets and then spend the rest of its efforts in attacking the lower-risk assets. a. this
Sai.
b. its
Đúng.
c. that d. those
Sai. Sai.
460585 Risk assessment in essence is an …….. method of outlining why the resources in a network are to be protected. a. explicit
Sai.
b. objective c. apathy
Đúng. Sai.
d. subjective
Sai.
460586 In terms of ease of use of network ……… by the users, there are two types of security policies: permissive, restrictive. a. data b. resources c. database
Sai. Đúng. Sai.
d. files
Sai.
460587 Authentication Policy which establishes trust through an effective password policy, and by setting guidelines for remote location authentication and the use of authentication …….. a. devices
Đúng.
b. hardware
Sai.
c. server
Sai.
d. router
Sai.
460588 Implementing security is expensive and is often an ……... expense rather than a one-time cost. a. broken
Sai.
b. interuption
Sai.
c. ongoing
Đúng.
d. inter
Sai.
460589 As soon as a security policy has been……, it is critical to continually analyze, test, and improve it. a. implemented
Đúng.
b. implementing
Sai.
c. implemention
Sai.
d. implement
Sai.
460590 Audits should be used to identify habits that the users ……. have formed that can lead to network attacks. a. might
Đúng.
b. could
Sai.
c. can
Sai.
d. may
Sai.
460591 Network security policy ……… what is authorized and what is not a. defines
Đúng.
b. verify
Sai.
c. caculation
Sai.
d. negatives
Sai.
460592 A security policy needs to balance ........... of use, network performance, and security aspects in defining the rules and regulations a. ease
Đúng.
b. know
Sai.
c. difficult
Sai.
d. details
Sai.
460593 Câu 3:……. hat is the informal or slang term for a network security expert. Chọn một câu trả lời A) White Đúng B) Black Sai C) Green Sai D) Transparent Sai 460594 Technicians with security experience and/or certification are highly ……… professionals. a. seeks
Sai.
b. sought c. seek
Đúng. Sai.
d. seeking
Sai.
460595 According to ComputerWorld Careers 2008 Salary Survey, median pay…… a network security professional is 82K + bonuses of 5.6K. a. at
Sai.
b. of
Sai.
c. in
Sai.
d. for
Đúng.
460596 Certification providers are Cisco, Microsoft, Novell, CISSP and Comptia who offer ........... in security auditing, security management, security administration and security forensics a. authentic
Sai.
b. witness
Sai.
c. persentation
Sai.
d. accreditation
Đúng.
460597 Network security involves working with other professionals, a person ……. interacts confidently and professionally with people will enjoy the collaborative aspects of this career. a. who
Đúng.
b. which
Sai.
c. whose
Sai.
d. whom
Sai.
460598 As technology develops those we turn to for security and protection hold increasingly greater esteem, they are the protectors and heroes of the …….. world. a. modern b. backward
Đúng. Sai.
c. harmonious d. artificial
Sai. Sai.
460599 Network …….. are important in maintaining a contemporary knowledge base in the rapidly changing world of IT a. understanding