/100 99 Aiou Workshop 5403| Test 4 1 / 100 1) The layer is used to control how a bit-streams of data is sent and received over physical medium a) Physical layer b) Presentation layer c) transport layer d) Session layer 2 / 100 2) Which network covers a large area: a) WAN b) LAN c) MAN d) NAN 3 / 100 3) Each set of bit pattern is called: a) ASCII b) Coding c) Code d) Unicode 4 / 100 4) Ethernet, Token bus and Token Ring have been defined by: a) ISO b) Microsoft c) CCIT d) IEEE 5 / 100 5) Each computer on a network is called a: a) Node b) Code c) Link d) Mode 6 / 100 6) The set of rules to exchange data in a communications network is called: a) Token b) Method c) Protocol d) Procedure 7 / 100 7) Which of the following coding schemes primarily.used by IBM? a) EBCDIC b) ASCII c) Unicode d) BCD 8 / 100 8) Sound,light and radio waves are examples of a) Analog b) Digital c) Pulse d) Green 9 / 100 9) The electromagnetic or light waves representing data are called: a) Mode b) Information c) Coding d) Signal 10 / 100 10) Which type of data consists of words,sentences and paragraphs? a) Audio b) Numeric c) Text. d) Video 11 / 100 11) Which communication technique can transmit the data over long distance? a) Bandwidth b) Bitband c) Broadband d) Baseband 12 / 100 12) Which of the following is NOT a type of protocol? a) ARCnet b) Ethernet c) CCIT d) FTP 13 / 100 13) The communication across WAN occurs using: a) Any b) Telephone Line c) Microwaves d) Satellite links 14 / 100 14) DSL stands for a) Domain System Line b) Distance Server Line c) Digital Subscriber Link d) Digital subscriber Line 15 / 100 15) What is another term for unguided media? a) Unbounded b) Radiated c) Infrared d) Wire. 16 / 100 16) Mail services are available to network users through the_______layer. a) Session b) Transport c) Presentation d) Application 17 / 100 17) The network architecture that allows every computer to act as client as well as a server is: a) Host system b) peer-to-peer c) Server System d) Client/Server 18 / 100 18) In the OSI model, encryption and decryption are functions of the________? a) Application layer b) presentation layer c) Session layer d) transport layer 19 / 100 19) In star topology, the central device is called: a) Medium b) Hub c) links d) Node 20 / 100 20) FTP stands for a) Finis Transfer Protocol b) Finding Tale Path c) File Transfer Principle d) File Transfer Protocol 21 / 100 21) Which of the following is not a communication media? a) Modem b) Microwave c) Twisted Pair d) Fiber optic 22 / 100 22) The computers in wide geographical area can be efficiently connected by: a) WiFi b) Coaxial cable c) Twisted pair d) Satellite 23 / 100 23) The time taken by a data signal to reach to moon and then back to earth was about: a) 2 hours b) 2-second c) 2 ms d) 2 minutes 24 / 100 24) Which type of network covers a small area? a) LAN b) WAN c) MAN d) NAN 25 / 100 25) Which is the most common LAN topology? a) Mesh b) Tree c) Bus d) Star 26 / 100 26) How many modes of data communication are available? a) 4 b) .2 c) 3. d) 3. 27 / 100 27) Which problem occurs when two workstations on shared Ethernet try to access LAN at the same time a) Accident b) Deadlock c) Termination d) Collision 28 / 100 28) Star topology is less expensive than: a) All b) star c) Tree d) Mesh 29 / 100 29) What layer of OSI models performs data compression? a) Transport layer b) Session layer c) Physical layer d) Presentation layer 30 / 100 30) Transmission from a satellite to its earth-based station is called: a) Geolink b) Baselink c) Downlink d) Uplink 31 / 100 31) The top most layer of the OSI is called: a) Application b) Session c) transport d) Presentation 32 / 100 32) One or more computers connected to a hub is called: a) Band network b) Ring network c) Bus Network d) Star Network 33 / 100 33) The layer that is in between of session and application layer is a) physical layer b) Session layer c) transport layer d) presentation layer 34 / 100 34) De Jure means a) By luck b) By law c) By chance d) By fact 35 / 100 35) How many pairs of computers can simultaneously communicate on Ethernet LAN? a) 1 b) 2 c) Multiple d) 3 36 / 100 36) How many characters can Unicode represcnt? a) 15,000 b) 65,536 c) 500 d) 10,000 37 / 100 37) Which of the following consists of two insulated copper wires twisted together? a) Fiber optic b) Twisted-pair wire c) Submarine d) Coaxial cables 38 / 100 38) An example of non-numerical data is: a) Marks b) Address c) Roll No d) Bank balance 39 / 100 39) The internal transfer of binary data in a computer uses mode. a) Serial b) Parallel c) .Sequential d) Direct 40 / 100 40) A collection of related web pages is called: a) Uploading b) Web Pages c) Downloading d) Linking 41 / 100 41) Digital signals are commonly known as: a) Band b) Broadband c) Narrowband d) Baseband 42 / 100 42) A fiber-optic cable’s core is measured in: a) AWG b) Microns c) Inches d) Centimeters 43 / 100 43) What is another term for guided media? a) Radiated b) Wireless c) Infrared d) Bounded 44 / 100 44) Computer networks are the convergence of two important technologies a) Computing and Mechanical b) Computing and mechatronics c) Computing and electrical d) Computing and telecommunication 45 / 100 45) Which of the following converts digital signals to analog and analog to digital? a) . Codec b) Modem c) Repeater d) . Multiplexer 46 / 100 46) A computer network in which all computers have equal status and no one have control over others: a) Dedicated b) Peer-to-peer c) Client-server d) Client-to-client 47 / 100 47) A set collection of a large number of computers all over world connected to one another is called a) Interlink b) Group c) Collection d) Internet 48 / 100 48) Which value in start bit indicates that the transmission line is idle? a) .1 b) .3 c) .4 d) .2 49 / 100 49) 50.This type of transmission is sometimes called start/stop transmission a) Isochronous b) Synchronous c) Parallel d) .Asynchronous 50 / 100 50) The most commonly used LAN protocol is: a) Ethernet b) ARCnet c) Token Ring d) WiMax 51 / 100 51) Which is NOT a LAN protocol? a) Ethernet b) Token Ring c) IrDA d) ARCnet 52 / 100 52) A device that is used to connect two computers using telephone line is called: a) Modem b) Graphic Card c) Ethernet Card d) Sound Card 53 / 100 53) Frequency is measured in: a) Amps b) Bps. c) Hertz d) Seconds 54 / 100 54) Digital signal represents a sequence of values. a) Discrete b) Continuous. c) Bytes d) Unique 55 / 100 55) A collection of computers connected together to share resources and informal called: a) Computer Interconnecting b) Computer Network c) Computer sharing d) Computer linking 56 / 100 56) Which modem is used to transmit data signals through air instead of cable? a) External b) All c) Wireless d) Internal 57 / 100 57) Physical path that connects the source and receiver is known as: a) Communication channel b) Linear medium c) Encoder d) Decoder 58 / 100 58) MAN stands for: a) Marked area network b) Metropolitan arranged network c) Massive Area Networks d) Metropolitan area network 59 / 100 59) Which of the following features is provided with a modem? a) Transmission rate b) Speeds c) All d) Self-testing 60 / 100 60) Which of the following coding schemes uses 4-bit code? a) EBCDIC b) ASCII. c) Unicode d) BCD 61 / 100 61) Transmission that is used without timing signal is called: a) Parallel b) Isochronous c) Asynchronous d) Synchronous 62 / 100 62) Which of the following code can represent up to 65,536 symbols? a) Unicode b) ASCII c) EBCDIC d) BCD 63 / 100 63) The medium in which signals travel through a cable or wire is called: a) Unguided media b) International medias c) Guided media d) Local media 64 / 100 64) The music and speech.represent: a) Audio b) Image c) Text d) Numeric 65 / 100 65) Which of the following is NOT a category of network? a) NAN b) LAN c) MAN d) WAN 66 / 100 66) Which multiplexing technique shifts each signal to a different carrier frequency? a) DFM b) TDM c) TTD d) FDM 67 / 100 67) Modem stands for: a) Mode/ Modeless b) Modulation/demodulationn c) Modification/demodification d) Modeling/Demonstration 68 / 100 68) The types.of signals can be: a) Digital and Analog b) Analog c) Digital d) Analog 69 / 100 69) Computer transmit data in the form of codes. a) Binary b) None c) Decimal d) Analog 70 / 100 70) The chart,graph,pictures and freehand drawing are examples of: a) Audio data b) Numeric data c) Image data d) Text data 71 / 100 71) The physical layout of a network is known as: a) Topology b) Link c) Style d) Session 72 / 100 72) Analog signal is measured in: a) WATTS b) Volt c) Amplitude d) Hertz 73 / 100 73) A network that transmits data over citywide distance faster than LAN is: a) WAN b) MAN c) LAN d) NAN 74 / 100 74) A set collection of a large number of computers all over the world connected to one another is a) Internet b) Interlink 75 / 100 75) The layer that provides services that directly support user application: a) transport layer b) Application layer c) Session layer d) Presentation layer 76 / 100 76) OSI model was created by: a) NESPAK b) ISO c) ANSI d) IBM 77 / 100 77) BCD code is a_ a) 4. b) 15 c) .8. d) 32 78 / 100 78) Which of the following is an internet protocol? a) ARCnet b) Ethernet c) TCP/IP d) Token Ring 79 / 100 79) The ITU was formerly known as: a) ISO b) IBM c) SNA d) CCIT 80 / 100 80) The typical fiber optic cable consists of very narrow strand of glass called: a) Core b) Cladding c) Sheet d) Base 81 / 100 81) Which of the following is a governing body to approve the network standards? a) ALL b) IEEE c) ASCII d) EIA 82 / 100 82) The network that connects different campuses of a college in city is an example of: a) WAN b) LAN c) NAN d) MAN 83 / 100 83) Which LAN access method resolves the contention between two or more nodes by collision detection a) CSMA/CD b) CSMA/DR c) CSMA/CR d) CSMA/CS 84 / 100 84) A network that covers a large geographic distance such as a country is called a: a) LAN b) WAN c) PAN d) MAN 85 / 100 85) All of the following are elements of data communication system EXCEPT: a) Receiver b) Voltage c) Sender d) Medium 86 / 100 86) .The conversation over a walkie-talkie radio is-an example of: a) Duplex transmission b) Simplex transmission c) Half-duplex transmission. d) Full-duplex transmission 87 / 100 87) Which of the following type of data is used to display actions and movement?. a) Audio. b) Image c) Text d) Video 88 / 100 88) Which protocol works on the concepts of ring topology and a token? a) ARCnet b) Ethernet c) Token Ring d) TCP/IP 89 / 100 89) Which of the following is not a:data communication mode? a) Simplex Half-duplex b) Half-duplex c) Auto. d) Full-duplex. 90 / 100 90) A network that covers a limited geographic distance such as an office is called: a) LAN b) MAN c) TAN d) WAN 91 / 100 91) A network that places all nodes on a single cable is called: a) none of these b) Mesh c) Bus d) Tree 92 / 100 92) Which of the following topology is used by Ethernet protocol? a) Band b) Bus c) Mesh d) Ring 93 / 100 93) How many types of network standard are there a) 8 b) 4 c) 16 d) 2 94 / 100 94) 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) Simplex transmission c) Full Duplex transmission d) Half Duplex transmission 95 / 100 95) Which of the following is NOT a coding scheme to represent data in computer? a) ASCII b) Unicode c) EBCDIC d) Bilateral code 96 / 100 96) The topology used for a small number of computers is called: a) Bus b) Ring c) Tree d) Mesh 97 / 100 97) Which layer is responsible to establish, maintain and terminate user connection a) Session b) Transport c) Application d) Presentation 98 / 100 98) How many devices can exist between a sending and receiving host? a) 10 b) 1 c) Any. d) 2 99 / 100 99) ISDN stands for: a) Integrated Services Digital Network b) Improved Speed Down Network c) Improved Speed Digital Network d) Internet Service Digital Network 100 / 100 100) Which type of modem can be added to the system unit through expansion slot? a) Wireless b) Internal c) External d) All Your score is LinkedIn Facebook Twitter VKontakte Post Views: 523 Post navigation Aiou Workshop 5403| Test 3 Aiou Workshop 5403| Test 5
HabibaMansoor
User ID: 0000509558
City: MZD
Sidra Batool registration number is 17pts03646
That is a very meaningful
It’s my 4th quiz was great
Good informative quize