Aiou Workshop 5403| Test 4 admin 3 years ago Spread the love /100 99 Aiou Workshop 5403| Test 4 1 / 100 1) De Jure means a) By law b) By fact c) By luck d) By chance 2 / 100 2) Which type of modem can be added to the system unit through expansion slot? a) Wireless b) All c) Internal d) External 3 / 100 3) Which of the following is a De Facto standard? a) SNA b) ANSI c) ISO d) ASCII 4 / 100 4) The message sent on a ____ network can take any of several possible paths from source to destination a) Tree b) Star c) Mesh d) Ring 5 / 100 5) Which value in start bit indicates that the transmission line is idle? a) .2 b) .1 c) .3 d) .4 6 / 100 6) What is another term for guided media? a) Bounded b) Infrared c) Wireless d) Radiated 7 / 100 7) Which one is NOT a De-jure standard? a) ANSI b) IEEE c) ISO d) SNA 8 / 100 8) Which medium transmits voice and data via air as high-frequency radio waves? a) Coaxial cable b) Fiber-optic cable c) Microwave d) Twisted pair 9 / 100 9) A modem allows computers to access other computers through following types of connection a) Cable b) Wireless c) Phone lines d) Offline 10 / 100 10) The network architecture that allows every computer to act as client as well as a server is: a) Client/Server b) peer-to-peer c) Host system d) Server System 11 / 100 11) The conversation over a walkie-talkie radio is-an example of: a) .Duplex transmission b) Half-duplex transmission c) Full-duplex transmission d) Simplex transmission: 12 / 100 12) A computer network must contain at least number of computers: a) One b) Four c) Two d) Three 13 / 100 13) Which of the following is not a communication media? a) Fiber optic b) Twisted Pair c) Microwave d) Modem 14 / 100 14) Defacto means: a) By law b) By nature c) By fact d) By luck 15 / 100 15) A network that places all nodes on a single cable is called: a) none of these b) Tree c) Mesh d) Bus 16 / 100 16) Which is the most secure type of transmission medium? a) Microwave b) Fiber-optic cable c) .Coaxial cable d) Twisted-wire pair 17 / 100 17) NIC stands for: a) Newer Industrial Computer b) Network Internal Card c) Network Interface Card d) Networking Internet Connection 18 / 100 18) Bps is short for: a) Binary packets a second b) Bits per second c) Baud per second d) Bytes per second 19 / 100 19) Which of the following coding schemes uses 4-bit code? a) Unicode b) BCD c) ASCII. d) EBCDIC 20 / 100 20) Transmission that is used without timing signal is called: a) Parallel b) Isochronous c) Synchronous d) Asynchronous 21 / 100 21) In _________topology, the entire network goes down if the backbone cable fails a) Mesh b) Ring c) Tree d) Bus 22 / 100 22) IBM stands for: a) Internat b) International Business machine c) Internet Bulletin Machine d) Internet Business Machine 23 / 100 23) The number of times a wave repeats during a specific time interval is called a) Amplitude b) Frequency c) Phase d) Frequency 24 / 100 24) A computer network in which all computers have equal status and no one have control over others: a) Dedicated b) Client-server c) Client-to-client d) Peer-to-peer 25 / 100 25) A lab with twenty computers and a laser printer is an example_____ of area network a) Line b) Limited c) Little d) Local 26 / 100 26) The physical layout of a network is known as: a) Topology b) Style c) Session d) Link 27 / 100 27) The ITU was formerly known as: a) IBM b) CCIT c) ISO d) SNA 28 / 100 28) The bottem most layer of the OSI is called: a) Presentation b) Session c) Physical d) transport 29 / 100 29) In a typical LAN, each computer on the network is connected through: a) Satellite b) Microwaves c) Cables d) Phone 30 / 100 30) The process of transferring a file from remote computer to local computer on network is called a) Uploaading b) Sharing c) Downloading d) Pasting 31 / 100 31) One or more computers connected to a hub is called: a) Band network b) Ring network c) Star Network d) Bus Network 32 / 100 32) A LAN protocol in which all computers and devices on the network pass a special signal known as: a) Token b) TCP/IP c) Ethernet d) ARCnet 33 / 100 33) Many networks include a central computer called: a) Gateway b) Bridge c) Server d) Clint 34 / 100 34) How many devices can exist between a sending and receiving host? a) 2 b) 10 c) 1 d) Any. 35 / 100 35) The internal transfer of binary data in a computer uses mode. a) .Sequential b) Parallel c) Serial d) Direct 36 / 100 36) The topology used for a small number of computers is called: a) Tree b) Ring c) Bus d) Mesh 37 / 100 37) .Which transmission type transmits data one character at a time a) Parallel: b) Asynchronous c) Ethernet. d) Synchronous 38 / 100 38) The computers in wide geographical area can be efficiently connected by: a) WiFi b) Coaxial cable c) Twisted pair d) Satellite 39 / 100 39) FDDI is a __________network. a) Tree b) Mesh c) Star d) Ring 40 / 100 40) Which of the following is NOT a coding scheme to represent data in computer? a) ASCII b) Unicode c) Bilateral code d) EBCDIC 41 / 100 41) A network that covers a limited geographic distance such as an office is called: a) WAN b) TAN c) LAN d) MAN 42 / 100 42) The number of frequencies that can fit on a link at one time is called: a) Codec b) Bandwidth c) Modulation d) Demodulation 43 / 100 43) Which of the following topology is used by Ethernet protocol? a) Mesh b) Band c) Ring d) Bus 44 / 100 44) A collection of related web pages is called: a) Downloading b) Web Pages c) Linking d) Uploading 45 / 100 45) People on LAN can share: a) disk driver b) ALL c) modem d) printer 46 / 100 46) Each computer on a network is called a: a) Node b) Link c) Mode d) Code 47 / 100 47) An advantage of synchronous over asynchronous transmission is: a) Speed b) Two-way c) Error checking d) Simplicity 48 / 100 48) Ethernet, Token bus and Token Ring have been defined by: a) IEEE b) ISO c) CCIT d) Microsoft 49 / 100 49) The_________layer is the layer closest to the transmission medium a) Physical b) Session c) Presentation d) transport 50 / 100 50) Which of the following is a governing body to approve the network standards? a) IEEE b) ALL c) ASCII d) EIA 51 / 100 51) Which communication technique can transmit the data over long distance? a) Broadband b) Baseband c) Bitband d) Bandwidth 52 / 100 52) The layer is used to control how a bit-streams of data is sent and received over physical medium a) Presentation layer b) transport layer c) Session layer d) Physical layer 53 / 100 53) The mode that is like a two way street with traffic flowing in both direction at the.same time is ca a) Full Duplex transmission b) Half Duplex transmission c) Simplex transmission d) Duplex transmission 54 / 100 54) Which LAN access method resolves the contention between two or more nodes by collision detection a) CSMA/CD b) CSMA/CR c) CSMA/DR d) CSMA/CS 55 / 100 55) A collection of computers connected together to share resources and informal called: a) Computer Network b) Computer Interconnecting c) Computer sharing d) Computer linking 56 / 100 56) A combination of both client/server and peer-to-peer network is_______network a) Hybrid b) Merged c) Dedicated d) Mixed 57 / 100 57) 50.This type of transmission is sometimes called start/stop transmission a) Isochronous b) Parallel c) Synchronous d) .Asynchronous 58 / 100 58) The process of converting analog to digital signal is known as: a) Demodulation b) Data sequencing c) Merging d) Modulation 59 / 100 59) code is 7-bit or.8-bit code. a) ASCII b) BCD: c) EBCDIC d) Unicode 60 / 100 60) Each set of bit pattern is called: a) Code b) Coding c) Unicode d) ASCII 61 / 100 61) The act of listening to the medium for a message is called: a) Transparency b) Collision c) Contention d) Carrier sensing 62 / 100 62) The layer that provides services that directly support user application: a) transport layer b) Session layer c) Application layer d) Presentation layer 63 / 100 63) Which of the following is NOT a category of network? a) MAN b) LAN c) WAN d) NAN 64 / 100 64) The transmission rate of modem can be measured in: a) Bytes per second b) Characters per second c) Bits per second d) Words per second 65 / 100 65) The types.of signals can be: a) Digital and Analog b) Digital c) Analog d) Analog 66 / 100 66) NIC allows direct connection to: a) Network b) Modem c) Moniter d) Printer 67 / 100 67) How many characters ASCII 8-bit code can represent? a) 500 b) 364 c) 256 d) 128 68 / 100 68) Which of the following is the insulation on a fiber-optic cable? a) Sheathing b) Cladding c) Housing d) . Braiding 69 / 100 69) Transmission media are usually categorized as_ a) Guided or unguided b) Baseband and broadband c) Good and bad d) Fixed or unfixed 70 / 100 70) The set of rules to exchange data in a communications network is called: a) Method b) Protocol c) Procedure d) Token 71 / 100 71) Which transmission allows data to travel in one direction at a time? a) Simplex transmission.. b) Duplex transmission c) .Half Duplex transmission d) Full Duplex transmission 72 / 100 72) The process of transferring a file from our own computer to the remote computer on a network: a) Downloading b) Pasting c) Sharing d) Uploading 73 / 100 73) LAN does not use: a) Twisted pair b) Telephone line c) Coaxial cable d) Fiber optic 74 / 100 74) Digital signals are commonly known as: a) Baseband b) Narrowband c) Broadband d) Band 75 / 100 75) Data link layer lies between the physical layer and the_______layer a) Transport b) Presentation c) Session d) Network 76 / 100 76) How many pairs of computers can simultaneously communicate on Ethernet LAN? a) Multiple b) 3 c) 1 d) 2 77 / 100 77) Which multiplexing technique shifts each signal to a different carrier frequency? a) TDM b) FDM c) TTD d) DFM 78 / 100 78) Which of following protocols are properly researched, designed and finally published as a standard? a) CCIT b) De facto c) De jure d) ISO 79 / 100 79) BCD stands for: a) Base coded decimal b) Bidirectional coded decimal c) Byte coded decimal d) Binary coded decimal 80 / 100 80) The communication across WAN occurs using: a) Satellite links b) Any c) Microwaves d) Telephone Line 81 / 100 81) Full-duplex communication is made. possible by the.devices known as: a) .Mouse b) Multiplexer: c) ..Keyboard. d) Modem 82 / 100 82) ISDN stands for: a) Improved Speed Digital Network b) Improved Speed Down Network c) Integrated Services Digital Network d) Internet Service Digital Network 83 / 100 83) Analog signal is measured in: a) Volt b) Amplitude c) Hertz d) WATTS 84 / 100 84) The top most layer of the OSI is called: a) Application b) Session c) transport d) Presentation 85 / 100 85) The network that connects different campuses of a college in city is an example of: a) WAN b) MAN c) NAN d) LAN 86 / 100 86) Cabling on a linear bus topology can be extended using which of following? a) Terminator b) Network adapter card c) Medium attachment d) Barrel Connector 87 / 100 87) How many types of network standard are there a) 8 b) 4 c) 16 d) 2 88 / 100 88) OSI stands for: a) Open System International b) Open System Interlink c) Open system Interconnection d) Open Small Internet 89 / 100 89) The chart,graph,pictures and freehand drawing are examples of: a) Image data b) Audio data c) Text data d) Numeric data 90 / 100 90) Which of the following technique uses modulation? a) Baseband b) Broadband. c) Bitband d) Bandwidth 91 / 100 91) FTP facility is used to: a) Check PC b) Transfer protocol c) Connect to internet d) File Transfer 92 / 100 92) What layer of OSI models performs data compression? a) Presentation layer b) Session layer c) Transport layer d) Physical layer 93 / 100 93) Terminal is a: a) Device to give power to computer b) Point where data leaves the computer c) The last instruction in a program d) Any input/output device 94 / 100 94) Sound,light and radio waves are examples of a) Analog b) Pulse c) Green d) Digital 95 / 100 95) A set collection of a large number of computers all over the world connected to one another is a) Internet b) Interlink 96 / 100 96) The companies that use networks can save time and money because network allow users to share: a) Hardware Devices b) Software Program c) ALL d) Information 97 / 100 97) The process of transferring data electronically from one place to another is caled a) NIC b) Data processing c) Data communication d) Data Sequence 98 / 100 98) MAN stands for: a) Metropolitan area network b) Metropolitan arranged network c) Massive Area Networks d) Marked area network 99 / 100 99) The primary difference between a LAN and a WAN is: a) The number of software programs available b) Distance c) The variety of hardware devices d) The number of hardware devices 100 / 100 100) A network that transmits data over citywide distance faster than LAN is: a) LAN b) WAN c) MAN d) NAN Your score is LinkedIn Facebook Twitter VKontakte {{#message}}{{{message}}}{{/message}}{{^message}}Your submission failed. 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