/100 0 Aiou Workshop 5403| Test 4 1 / 100 1) Which layer is responsible to establish, maintain and terminate user connection a) Presentation b) Session c) Transport d) Application 2 / 100 2) code is 7-bit or.8-bit code. a) BCD: b) EBCDIC c) ASCII d) Unicode 3 / 100 3) The services on the Internet include a) E-MAIL b) ALL c) WWW d) FTP 4 / 100 4) The layer that is concerned with addressing and routing is called: a) Physical b) Network c) transport d) Presentation 5 / 100 5) Which of the following is not a:data communication mode? a) Half-duplex b) Auto. c) Simplex Half-duplex d) Full-duplex. 6 / 100 6) EBCDIC is a a) 8-bit b) .6-bit c) 7-bit d) 4-bit 7 / 100 7) FDDI is a __________network. a) Ring b) Mesh c) Star d) Tree 8 / 100 8) Cabling on a linear bus topology can be extended using which of following? a) Barrel Connector b) Medium attachment c) Terminator d) Network adapter card 9 / 100 9) Each computer on a network is called a: a) Mode b) Link c) Code d) Node 10 / 100 10) Each set of bit pattern is called: a) Coding b) Unicode c) Code d) ASCII 11 / 100 11) BCD stands for: a) Bidirectional coded decimal b) Binary coded decimal c) Byte coded decimal d) Base coded decimal 12 / 100 12) Which of the following is not a communication media? a) Modem b) Twisted Pair c) Fiber optic d) Microwave 13 / 100 13) ISDN stands for: a) Internet Service Digital Network b) Integrated Services Digital Network c) Improved Speed Digital Network d) Improved Speed Down Network 14 / 100 14) A computer network in which all computers have equal status and no one have control over others: a) Client-server b) Client-to-client c) Peer-to-peer d) Dedicated 15 / 100 15) Many networks include a central computer called: a) Server b) Bridge c) Gateway d) Clint 16 / 100 16) Terminal is a: a) Point where data leaves the computer b) Device to give power to computer c) Any input/output device d) The last instruction in a program 17 / 100 17) A LAN protocol in which all computers and devices on the network pass a special signal known as: a) Token b) ARCnet c) Ethernet d) TCP/IP 18 / 100 18) NIC allows direct connection to: a) Modem b) Moniter c) Network d) Printer 19 / 100 19) The music and speech.represent: a) Numeric b) Audio c) Text d) Image 20 / 100 20) Physical path that connects the source and receiver is known as: a) Linear medium b) Decoder c) Encoder d) Communication channel 21 / 100 21) LAN does not use: a) Telephone line b) Twisted pair c) Fiber optic d) Coaxial cable 22 / 100 22) The network that connects different campuses of a college in city is an example of: a) MAN b) LAN c) WAN d) NAN 23 / 100 23) A set collection of a large number of computers all over the world connected to one another is a) Internet b) Interlink 24 / 100 24) In WAN, the communication software that allows a personal computer to appear as terminal is call a) Electronic mail software b) Bulletin board system c) Terminal emulation software d) Teleconferencing software 25 / 100 25) The electromagnetic or light waves representing data are called: a) Coding b) Signal c) Mode d) Information 26 / 100 26) Which of the following devices uses parallel transmission? a) Printer b) All c) Mouse d) .Keyboard 27 / 100 27) Which of the following coding schemes uses 4-bit code? a) BCD b) ASCII. c) EBCDIC d) Unicode 28 / 100 28) A fiber-optic cable’s core is measured in: a) AWG b) Inches c) Microns d) Centimeters 29 / 100 29) A device that connect multiple network using similar or different protocol is: a) Ethernet b) Router c) Modem d) LAN 30 / 100 30) Which of the following can severally affect the quality of satellite transmission? a) Mountains b) Bad weather c) Light rays d) Moon 31 / 100 31) Which of the following cables consists of a single core of solid copper? a) Unicode b) Digital c) Medium d) Coaxial 32 / 100 32) The height of wave within a given period of time is known as: a) Pulse b) Amplitude c) Phase d) Frequency 33 / 100 33) A combination of both client/server and peer-to-peer network is_______network a) Hybrid b) Dedicated c) Merged d) Mixed 34 / 100 34) Two dissimilar networks can be connected by a: a) Gateway b) Bridge c) Bus d) a and b 35 / 100 35) Which of following protocols are properly researched, designed and finally published as a standard? a) De facto b) De jure c) ISO d) CCIT 36 / 100 36) The process of converting analog to digital signal is known as: a) Merging b) Demodulation c) Data sequencing d) Modulation 37 / 100 37) A telephone conversation is’an example of:. a) Half-duplex transmission b) .Duplex transmission c) Simplex transmission d) Full-duplex transmission: 38 / 100 38) How many characters can Unicode represcnt? a) 15,000 b) 10,000 c) 500 d) 65,536 39 / 100 39) The signals produced by a computer to send over phone line must be converted to: a) Digital b) High c) Analog d) Low 40 / 100 40) The_________layer is the layer closest to the transmission medium a) Presentation b) transport c) Session d) Physical 41 / 100 41) What is another term for unguided media? a) Unbounded b) Radiated c) Wire. d) Infrared 42 / 100 42) How many characters ASCII 8-bit code can represent? a) 256 b) 364 c) 500 d) 128 43 / 100 43) A lab with twenty computers and a laser printer is an example_____ of area network a) Limited b) Line c) Little d) Local 44 / 100 44) A set collection of a large number of computers all over the world connected to one another is a) Interlink b) Internet 45 / 100 45) The number of times a wave repeats during a specific time interval is called a) Frequency b) Phase c) Frequency d) Amplitude 46 / 100 46) Digital signal represents a sequence of values. a) Discrete b) Unique c) Continuous. d) Bytes 47 / 100 47) Which communication technique can transmit the data over long distance? a) Bandwidth b) Baseband c) Broadband d) Bitband 48 / 100 48) Which modem is used to transmit data signals through air instead of cable? a) External b) Wireless c) Internal d) All 49 / 100 49) Which is NOT a LAN protocol? a) IrDA b) ARCnet c) Ethernet d) Token Ring 50 / 100 50) The chart,graph,pictures and freehand drawing are examples of: a) Image data b) Audio data c) Text data d) Numeric data 51 / 100 51) A modem allows computers to access other computers through following types of connection a) Offline b) Phone lines c) Wireless d) Cable 52 / 100 52) The medium in which signals travel through a cable or wire is called: a) International medias b) Local media c) Guided media d) Unguided media 53 / 100 53) Which of the following features is provided with a modem? a) Transmission rate b) All c) Self-testing d) Speeds 54 / 100 54) A collection of related web pages is called: a) Uploading b) Downloading c) Linking d) Web Pages 55 / 100 55) In_______a node listens to bus for specified time and waits until node has completed transmission a) CSMA/CD b) CSMA/DR c) CSMA/CS d) CSMA/CR 56 / 100 56) A network that transmits data over citywide distance faster than LAN is: a) LAN b) MAN c) WAN d) NAN 57 / 100 57) The layer that is in between of session and application layer is a) transport layer b) presentation layer c) Session layer d) physical layer 58 / 100 58) The diameter of fiber optical cable is: a) 62.5 mm b) 62.5 cm c) 62.5 microns d) 62.5 m 59 / 100 59) Mail services are available to network users through the_______layer. a) Presentation b) Transport c) Application d) Session 60 / 100 60) Mobile phone(Cellular) systems often use: a) MAN b) LAN c) WAN d) NAN 61 / 100 61) One or more computers connected to a hub is called: a) Ring network b) Bus Network c) Band network d) Star Network 62 / 100 62) The mode that is like a two way street with traffic flowing in both direction at the.same time is ca a) Duplex transmission b) Full Duplex transmission c) Simplex transmission d) Half Duplex transmission 63 / 100 63) The technology of long-distance communication is known as: a) Telecommunications b) Telephony c) Mass communication d) Telegraphy 64 / 100 64) DSL stands for a) Domain System Line b) Distance Server Line c) Digital Subscriber Link d) Digital subscriber Line 65 / 100 65) An important property of fiber optic cable is: a) Refraction b) Noise c) Radiation d) Degradation 66 / 100 66) The communication across WAN occurs using: a) Telephone Line b) Satellite links c) Any d) Microwaves 67 / 100 67) A network that covers a large geographic distance such as a country is called a: a) WAN b) PAN c) LAN d) MAN 68 / 100 68) The set of rules to exchange data in a communications network is called: a) Procedure b) Method c) Token d) Protocol 69 / 100 69) The companies that use networks can save time and money because network allow users to share: a) Software Program b) Hardware Devices c) ALL d) Information 70 / 100 70) Which protocol works on the concepts of ring topology and a token? a) TCP/IP b) ARCnet c) Ethernet d) Token Ring 71 / 100 71) A device that is used to connect two computers using telephone line is called: a) Graphic Card b) Ethernet Card c) Sound Card d) Modem 72 / 100 72) FTP stands for a) File Transfer Protocol b) Finding Tale Path c) File Transfer Principle d) Finis Transfer Protocol 73 / 100 73) The bottem most layer of the OSI is called: a) Session b) Presentation c) Physical d) transport 74 / 100 74) The typical fiber optic cable consists of very narrow strand of glass called: a) Cladding b) Base c) Sheet d) Core 75 / 100 75) In star topology, the central device is called: a) Node b) Medium c) Hub d) links 76 / 100 76) Which type of network covers a small area? a) LAN b) MAN c) NAN d) WAN 77 / 100 77) In a typical LAN, each computer on the network is connected through: a) Microwaves b) Satellite c) Phone d) Cables 78 / 100 78) Which of the following code can represent up to 65,536 symbols? a) BCD b) EBCDIC c) ASCII d) Unicode 79 / 100 79) 50.This type of transmission is sometimes called start/stop transmission a) Parallel b) Isochronous c) .Asynchronous d) Synchronous 80 / 100 80) Frequency is measured in: a) Amps b) Seconds c) Bps. d) Hertz 81 / 100 81) Which is the most secure type of transmission medium? a) Fiber-optic cable b) Microwave c) Twisted-wire pair d) .Coaxial cable 82 / 100 82) The layer lies between the network layer and the application layer a) physical layer b) Session layer c) Presentation layer d) Transport layer 83 / 100 83) .The conversation over a walkie-talkie radio is-an example of: a) Half-duplex transmission. b) Simplex transmission c) Duplex transmission d) Full-duplex transmission 84 / 100 84) Route determination can be identified by: a) Network layer b) transport layer c) Session layer d) Presentation layer 85 / 100 85) All of the following are guided communications media EXCEPT: a) Twisted pair b) Coaxial cable c) Fiber-optic cable d) Satellite 86 / 100 86) Layer that is responsible for transferring frames is a) Data link layer b) Session layer c) Presentation layer d) transport layer 87 / 100 87) Which of the following is a governing body to approve the network standards? a) ALL b) IEEE c) EIA d) ASCII 88 / 100 88) Which of the following is NOT a network topology? a) Band b) Tree c) Bus d) Star 89 / 100 89) Which type of modem can be added to the system unit through expansion slot? a) All b) External c) Internal d) Wireless 90 / 100 90) The topology used for a small number of computers is called: a) Ring b) Mesh c) Tree d) Bus 91 / 100 91) The layer that defines the formats the data uses as it in transmitted on the communication line a) Session layer b) transport layer c) presentation layer d) physical layer 92 / 100 92) Which kind of signal is mostly required by telephone lines? a) High b) Analog c) Low d) Digital 93 / 100 93) ASCII code was.developed by: a) ANSI.. b) Duplex c) Full-duplex d) Simplex transmission 94 / 100 94) How many types of network standard are there a) 8 b) 16 c) 2 d) 4 95 / 100 95) In _________topology, the entire network goes down if the backbone cable fails a) Mesh b) Ring c) Bus d) Tree 96 / 100 96) What layer of OSI models performs data compression? a) Session layer b) Transport layer c) Physical layer d) Presentation layer 97 / 100 97) People on LAN can share: a) modem b) printer c) disk driver d) ALL 98 / 100 98) The most commonly used LAN protocol is: a) Token Ring b) Ethernet c) WiMax d) ARCnet 99 / 100 99) Which of the following coding schemes primarily.used by IBM? a) EBCDIC b) ASCII c) Unicode d) BCD 100 / 100 100) Which medium transmits voice and data via air as high-frequency radio waves? a) Coaxial cable b) Microwave c) Twisted pair d) Fiber-optic cable Your score is LinkedIn Facebook Twitter VKontakte Post Views: 162 Post navigation Aiou Workshop 5403| Test 3 Aiou Workshop 5403| Test 5