/100 24 Aiou Workshop 5403| Test 4 1 / 100 1) Bps is short for: a) Baud per second b) Bytes per second c) Binary packets a second d) Bits per second 2 / 100 2) Which type of network covers a small area? a) MAN b) LAN c) WAN d) NAN 3 / 100 3) Data is transmitted block by block in: . a) Analog transmission b) Isochronous transmission c) Synchronous transmission d) Asynchronous transmission 4 / 100 4) The number of frequencies that can fit on a link at one time is called: a) Modulation b) Bandwidth c) Codec d) Demodulation 5 / 100 5) Which communication technique can transmit the data over long distance? a) Broadband b) Bandwidth c) Baseband d) Bitband 6 / 100 6) Analog signal is measured in: a) Amplitude b) Hertz c) Volt d) WATTS 7 / 100 7) IBM stands for: a) Internet Business Machine b) Internat c) Internet Bulletin Machine d) International Business machine 8 / 100 8) The services on the Internet include a) WWW b) E-MAIL c) FTP d) ALL 9 / 100 9) A collection of computers connected together to share resources and informal called: a) Computer linking b) Computer Network c) Computer Interconnecting d) Computer sharing 10 / 100 10) BCD code is a_ a) 15 b) 4. c) 32 d) .8. 11 / 100 11) Which of the following is NOT a benefit of computer networks? a) Reduce hardware costs b) Produce high quality programs c) Connect people d) Enable shared applications 12 / 100 12) NIC stands for: a) Networking Internet Connection b) Newer Industrial Computer c) Network Interface Card d) Network Internal Card 13 / 100 13) The music and speech.represent: a) Audio b) Text c) Numeric d) Image 14 / 100 14) Segmentation and reassembly is the responsibility of: a) 4th layer b) 5th layer c) 6th layer d) 3rd layer 15 / 100 15) Computer networks are the convergence of two important technologies a) Computing and electrical b) Computing and Mechanical c) Computing and mechatronics d) Computing and telecommunication 16 / 100 16) Typically, data transfer rate in LAN are of the order of: a) Terabit per second b) Bits per second c) KiloBIt per second d) Megabit persecond 17 / 100 17) The primary difference between a LAN and a WAN is: a) The number of software programs available b) The variety of hardware devices c) Distance d) The number of hardware devices 18 / 100 18) Which of the following is the insulation on a fiber-optic cable? a) . Braiding b) Housing c) Cladding d) Sheathing 19 / 100 19) Which of the following type of data is used to display actions and movement?. a) Audio. b) Video c) Text d) Image 20 / 100 20) Data link layer lies between the physical layer and the_______layer a) Transport b) Presentation c) Session d) Network 21 / 100 21) Transmission that is used without timing signal is called: a) Parallel b) Asynchronous c) Synchronous d) Isochronous 22 / 100 22) EBCDIC is a a) .6-bit b) 7-bit c) 4-bit d) 8-bit 23 / 100 23) Full-duplex communication is made. possible by the.devices known as: a) Modem b) ..Keyboard. c) .Mouse d) Multiplexer: 24 / 100 24) Which of the following converts digital signals to analog and analog to digital? a) Modem b) . Codec c) Repeater d) . Multiplexer 25 / 100 25) A collection of related web pages is called: a) Linking b) Downloading c) Uploading d) Web Pages 26 / 100 26) The time taken by a data signal to reach to moon and then back to earth was about: a) 2-second b) 2 ms c) 2 hours d) 2 minutes 27 / 100 27) A network that transmits data over citywide distance faster than LAN is: a) WAN b) MAN c) LAN d) NAN 28 / 100 28) The act of listening to the medium for a message is called: a) Transparency b) Collision c) Contention d) Carrier sensing 29 / 100 29) Which is the most common LAN topology? a) Bus b) Star c) Tree d) Mesh 30 / 100 30) Which of following protocols are properly researched, designed and finally published as a standard? a) De facto b) De jure c) CCIT d) ISO 31 / 100 31) The process of transferring data electronically from one place to another is caled a) Data Sequence b) Data processing c) Data communication d) NIC 32 / 100 32) Modem stands for: a) Modification/demodification b) Modeling/Demonstration c) Mode/ Modeless d) Modulation/demodulationn 33 / 100 33) A device used to connect similar networks is called: a) Bridge b) All c) Gateway d) Bus 34 / 100 34) Digital signal represents a sequence of values. a) Continuous. b) Discrete c) Unique d) Bytes 35 / 100 35) The network architecture that allows every computer to act as client as well as a server is: a) Server System b) peer-to-peer c) Host system d) Client/Server 36 / 100 36) Satellite transmission stations that can both send and receive messages are called: a) Jupiter stations b) Moon stations c) Earth stations d) Mars stations 37 / 100 37) Computer transmit data in the form of codes. a) Analog b) Decimal c) None d) Binary 38 / 100 38) Which of the following is NOT a category of network? a) LAN b) NAN c) MAN d) WAN 39 / 100 39) 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 40 / 100 40) Each computer on a network is called a: a) Node b) Link c) Code d) Mode 41 / 100 41) A set collection of a large number of computers all over world connected to one another is called a) Group b) Internet c) Interlink d) Collection 42 / 100 42) Which of the following topology is used by Ethernet protocol? a) Bus b) Mesh c) Ring d) Band 43 / 100 43) How many types of network standard are there a) 2 b) 8 c) 4 d) 16 44 / 100 44) The layer that defines the formats the data uses as it in transmitted on the communication line a) Session layer b) physical layer c) presentation layer d) transport layer 45 / 100 45) Which type of modem can be added to the system unit through expansion slot? a) External b) Internal c) Wireless d) All 46 / 100 46) A fiber-optic cable’s core is measured in: a) Microns b) AWG c) Inches d) Centimeters 47 / 100 47) Transmission from a satellite to its earth-based station is called: a) Geolink b) Downlink c) Baselink d) Uplink 48 / 100 48) LAN stands for: a) Land Area Node b) Linked Area Network c) Local Area Network d) Land Area Network 49 / 100 49) Frequency is measured in: a) Hertz b) Amps c) Seconds d) Bps. 50 / 100 50) FTP facility is used to: a) Transfer protocol b) Connect to internet c) File Transfer d) Check PC 51 / 100 51) signal is a continuous electrical signal in the form of wave. a) Red b) Analog c) Digital d) Green 52 / 100 52) Which is NOT a LAN protocol? a) ARCnet b) Ethernet c) IrDA d) Token Ring 53 / 100 53) The process of converting analog to digital signal is known as: a) Merging b) Demodulation c) Modulation d) Data sequencing 54 / 100 54) Which of the following consists of two insulated copper wires twisted together? a) Coaxial cables b) Twisted-pair wire c) Fiber optic d) Submarine 55 / 100 55) Which modem is used to transmit data signals through air instead of cable? a) Wireless b) Internal c) All d) External 56 / 100 56) Which of the following is the fastest communication mode a) d.Duplex b) Simple c) Medium d) Full duplex 57 / 100 57) A LAN protocol in which all computers and devices on the network pass a special signal known as: a) Ethernet b) TCP/IP c) Token d) ARCnet 58 / 100 58) A set collection of a large number of computers all over the world connected to one another is a) Interlink b) Internet 59 / 100 59) An example of non-numerical data is: a) Address b) Bank balance c) Roll No d) Marks 60 / 100 60) The types.of signals can be: a) Analog b) Digital c) Digital and Analog d) Analog 61 / 100 61) What binary bits are used to encode digital data? a) .0 to 9 b) 1s c) Os d) Os and 1s. 62 / 100 62) Which protocol works on the concepts of ring topology and a token? a) Token Ring b) ARCnet c) Ethernet d) TCP/IP 63 / 100 63) Two dissimilar networks can be connected by a: a) Bridge b) Gateway c) a and b d) Bus 64 / 100 64) The communication across WAN occurs using: a) Telephone Line b) Any c) Microwaves d) Satellite links 65 / 100 65) Transmission from Earth to satellite is called: a) downlink b) Uplink c) Low link d) High link 66 / 100 66) Which of the following can severally affect the quality of satellite transmission? a) Mountains b) Bad weather c) Light rays d) Moon 67 / 100 67) How many characters ASCII 8-bit code can represent? a) 364 b) 500 c) 256 d) 128 68 / 100 68) Which layer is responsible to establish, maintain and terminate user connection a) Presentation b) Transport c) Application d) Session 69 / 100 69) Internet surfing is an example of: a) .Full duplex transmission b) Half duplex transmission c) Frequency d) Duplex transmission. 70 / 100 70) Ethernet, Token bus and Token Ring have been defined by: a) Microsoft b) ISO c) IEEE d) CCIT 71 / 100 71) The ITU was formerly known as: a) ISO b) CCIT c) IBM d) SNA 72 / 100 72) Which of the following consists of thin glass to transmit beams of light? a) Coaxial cable b) Twisted pair c) Fiber-optic cable d) Microwave 73 / 100 73) The number of times a wave repeats during a specific time interval is called a) Phase b) Frequency c) Frequency d) Amplitude 74 / 100 74) All of the following are guided communications media EXCEPT: a) Twisted pair b) Fiber-optic cable c) Satellite d) Coaxial cable 75 / 100 75) The layer that provides services that directly support user application: a) transport layer b) Presentation layer c) Session layer d) Application layer 76 / 100 76) The diameter of fiber optical cable is: a) 62.5 m b) 62.5 mm c) 62.5 microns d) 62.5 cm 77 / 100 77) Which of the following coding schemes uses 4-bit code? a) EBCDIC b) Unicode c) ASCII. d) BCD 78 / 100 78) Which problem occurs when two workstations on shared Ethernet try to access LAN at the same time a) Collision b) Accident c) Deadlock d) Termination 79 / 100 79) How many pairs of computers can simultaneously communicate on Ethernet LAN? a) Multiple b) 3 c) 2 d) 1 80 / 100 80) OSI model was created by: a) IBM b) ISO c) ANSI d) NESPAK 81 / 100 81) The layer that is in between of session and application layer is a) transport layer b) Session layer c) presentation layer d) physical layer 82 / 100 82) In a typical LAN, each computer on the network is connected through: a) Satellite b) Cables c) Phone d) Microwaves 83 / 100 83) The layer lies between the network layer and the application layer a) physical layer b) Transport layer c) Presentation layer d) Session layer 84 / 100 84) code is 7-bit or.8-bit code. a) Unicode b) ASCII c) BCD: d) EBCDIC 85 / 100 85) Which type of data consists of words,sentences and paragraphs? a) Numeric b) Text. c) Video d) Audio 86 / 100 86) OSI stands for: a) Open system Interconnection b) Open Small Internet c) Open System Interlink d) Open System International 87 / 100 87) The transmission rate of modem can be measured in: a) Characters per second b) Bits per second c) Words per second d) Bytes per second 88 / 100 88) Data link have two separate sub-layers known as: a) CS And MA b) TOKEN and RING c) LLC and MAC d) Ethernet 89 / 100 89) Which of the following cables consists of a single core of solid copper? a) Unicode b) Medium c) Coaxial d) Digital 90 / 100 90) FTP stands for a) File Transfer Protocol b) File Transfer Principle c) Finis Transfer Protocol d) Finding Tale Path 91 / 100 91) Which of the following features is provided with a modem? a) All b) Speeds c) Transmission rate d) Self-testing 92 / 100 92) LAN does not use: a) Twisted pair b) Fiber optic c) Telephone line d) Coaxial cable 93 / 100 93) The_________layer is the layer closest to the transmission medium a) Session b) Physical c) Presentation d) transport 94 / 100 94) Terminators are used in______ topology: a) Tree b) Star c) Bus d) Mesh 95 / 100 95) The communication channels can be divided into_categories: a) Seven b) Eight c) Two d) Four 96 / 100 96) How many characters can Unicode represcnt? a) 10,000 b) 15,000 c) 500 d) 65,536 97 / 100 97) What is another term for guided media? a) Infrared b) Bounded c) Wireless d) Radiated 98 / 100 98) A set of documents stored on computer permanently connected with Internet is: a) Telnet b) FTP c) LAN d) WWW 99 / 100 99) Which is the most secure type of transmission medium? a) Twisted-wire pair b) Fiber-optic cable c) Microwave d) .Coaxial cable 100 / 100 100) The network that connects different campuses of a college in city is an example of: a) LAN b) MAN c) WAN d) NAN Your score is LinkedIn Facebook Twitter VKontakte Post Views: 331 Post navigation Aiou Workshop 5403| Test 3 Aiou Workshop 5403| Test 5