Aiou Workshop 5403| Test 4 admin 4 years ago Spread the love /100 99 Aiou Workshop 5403| Test 4 1 / 100 1) A network that transmits data over citywide distance faster than LAN is: a) MAN b) LAN c) NAN d) WAN 2 / 100 2) How many devices can exist between a sending and receiving host? a) 10 b) Any. c) 1 d) 2 3 / 100 3) The conversation over a walkie-talkie radio is-an example of: a) Half-duplex transmission b) Full-duplex transmission c) Simplex transmission: d) .Duplex transmission 4 / 100 4) The time taken by a data signal to reach to moon and then back to earth was about: a) 2 ms b) 2 minutes c) 2-second d) 2 hours 5 / 100 5) Data link have two separate sub-layers known as: a) CS And MA b) LLC and MAC c) Ethernet d) TOKEN and RING 6 / 100 6) A network that covers a large geographic distance such as a country is called a: a) WAN b) PAN c) LAN d) MAN 7 / 100 7) Data link layer lies between the physical layer and the_______layer a) Network b) Presentation c) Transport d) Session 8 / 100 8) Which of the following converts digital signals to analog and analog to digital? a) . Codec b) . Multiplexer c) Modem d) Repeater 9 / 100 9) A telephone conversation is’an example of:. a) Simplex transmission b) Full-duplex transmission: c) Half-duplex transmission d) .Duplex transmission 10 / 100 10) Which of the following cables consists of a single core of solid copper? a) Coaxial b) Digital c) Medium d) Unicode 11 / 100 11) Which of the following features is provided with a modem? a) Speeds b) Self-testing c) All d) Transmission rate 12 / 100 12) Which of the following is a De Facto standard? a) SNA b) ASCII c) ANSI d) ISO 13 / 100 13) signal is a continuous electrical signal in the form of wave. a) Analog b) Digital c) Red d) Green 14 / 100 14) MAN stands for: a) Metropolitan area network b) Metropolitan arranged network c) Massive Area Networks d) Marked area network 15 / 100 15) The number of frequencies that can fit on a link at one time is called: a) Demodulation b) Codec c) Bandwidth d) Modulation 16 / 100 16) The number of times a wave repeats during a specific time interval is called a) Phase b) Amplitude c) Frequency d) Frequency 17 / 100 17) What is another term for unguided media? a) Infrared b) Unbounded c) Radiated d) Wire. 18 / 100 18) The music and speech.represent: a) Text b) Numeric c) Image d) Audio 19 / 100 19) Which type of modem can be added to the system unit through expansion slot? a) All b) Internal c) External d) Wireless 20 / 100 20) NIC stands for: a) Network Interface Card b) Networking Internet Connection c) Newer Industrial Computer d) Network Internal Card 21 / 100 21) A collection of computers connected together to share resources and informal called: a) Computer Network b) Computer linking c) Computer Interconnecting d) Computer sharing 22 / 100 22) The physical layout of a network is known as: a) Link b) Session c) Topology d) Style 23 / 100 23) Which of the following is the fastest communication mode a) d.Duplex b) Full duplex c) Simple d) Medium 24 / 100 24) The internal transfer of binary data in a computer uses mode. a) Serial b) .Sequential c) Direct d) Parallel 25 / 100 25) The height of wave within a given period of time is known as: a) Pulse b) Amplitude c) Frequency d) Phase 26 / 100 26) Which of the following is NOT a benefit of computer networks? a) Produce high quality programs b) Connect people c) Enable shared applications d) Reduce hardware costs 27 / 100 27) The bottem most layer of the OSI is called: a) transport b) Session c) Physical d) Presentation 28 / 100 28) Each set of bit pattern is called: a) Coding b) ASCII c) Unicode d) Code 29 / 100 29) The layer that is in between of session and application layer is a) physical layer b) Session layer c) transport layer d) presentation layer 30 / 100 30) A set collection of a large number of computers all over the world connected to one another is a) Internet b) Interlink 31 / 100 31) Transmission from Earth to satellite is called: a) Low link b) Uplink c) High link d) downlink 32 / 100 32) A network that places all nodes on a single cable is called: a) Tree b) Bus c) Mesh d) none of these 33 / 100 33) 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 34 / 100 34) A device used to connect similar networks is called: a) Gateway b) All c) Bus d) Bridge 35 / 100 35) A collection of related web pages is called: a) Downloading b) Uploading c) Linking d) Web Pages 36 / 100 36) Which of following protocols are properly researched, designed and finally published as a standard? a) De jure b) CCIT c) ISO d) De facto 37 / 100 37) All of the following are guided communications media EXCEPT: a) Fiber-optic cable b) Coaxial cable c) Twisted pair d) Satellite 38 / 100 38) Which communication technique can transmit the data over long distance? a) Bitband b) Bandwidth c) Broadband d) Baseband 39 / 100 39) Which of the following coding schemes uses 4-bit code? a) ASCII. b) EBCDIC c) Unicode d) BCD 40 / 100 40) In_______a node listens to bus for specified time and waits until node has completed transmission a) CSMA/CR b) CSMA/CS c) CSMA/CD d) CSMA/DR 41 / 100 41) Which type of network covers a small area? a) LAN b) NAN c) WAN d) MAN 42 / 100 42) An important property of fiber optic cable is: a) Refraction b) Radiation c) Degradation d) Noise 43 / 100 43) In the OSI model, encryption and decryption are functions of the________? a) Session layer b) Application layer c) transport layer d) presentation layer 44 / 100 44) Which of the following topology is used by Ethernet protocol? a) Mesh b) Ring c) Band d) Bus 45 / 100 45) The process of transferring data electronically from one place to another is caled a) Data processing b) Data Sequence c) Data communication d) NIC 46 / 100 46) A LAN protocol in which all computers and devices on the network pass a special signal known as: a) Ethernet b) Token c) ARCnet d) TCP/IP 47 / 100 47) Digital signals are commonly known as: a) Baseband b) Narrowband c) Broadband d) Band 48 / 100 48) The primary difference between a LAN and a WAN is: a) The number of hardware devices b) Distance c) The variety of hardware devices d) The number of software programs available 49 / 100 49) 50.This type of transmission is sometimes called start/stop transmission a) .Asynchronous b) Isochronous c) Synchronous d) Parallel 50 / 100 50) The layer that is concerned with addressing and routing is called: a) Presentation b) Physical c) transport d) Network 51 / 100 51) Which multiplexing technique shifts each signal to a different carrier frequency? a) TTD b) TDM c) DFM d) FDM 52 / 100 52) Which of the following coding schemes primarily.used by IBM? a) EBCDIC b) BCD c) Unicode d) ASCII 53 / 100 53) Which layer is responsible to establish, maintain and terminate user connection a) Presentation b) Transport c) Session d) Application 54 / 100 54) What layer of OSI models performs data compression? a) Transport layer b) Session layer c) Presentation layer d) Physical layer 55 / 100 55) What is another term for guided media? a) Infrared b) Bounded c) Wireless d) Radiated 56 / 100 56) NIC allows direct connection to: a) Network b) Modem c) Printer d) Moniter 57 / 100 57) Which of the following is not a communication media? a) Microwave b) Fiber optic c) Modem d) Twisted Pair 58 / 100 58) Mobile phone(Cellular) systems often use: a) NAN b) LAN c) MAN d) WAN 59 / 100 59) The diameter of fiber optical cable is: a) 62.5 mm b) 62.5 m c) 62.5 cm d) 62.5 microns 60 / 100 60) Which of the following is the insulation on a fiber-optic cable? a) Sheathing b) Cladding c) Housing d) . Braiding 61 / 100 61) A lab with twenty computers and a laser printer is an example_____ of area network a) Local b) Limited c) Little d) Line 62 / 100 62) Star topology is less expensive than: a) star b) All c) Mesh d) Tree 63 / 100 63) The process of converting a digital signal to an analog signal is called: a) Demodulation b) Conversion c) Merging d) Modulation 64 / 100 64) A type of communication that sends data using flow control to synchronize data between sender a) .2 b) Synchronous transmission c) Asynchronous transmission d) Isochronous 65 / 100 65) The’transmission in which data can be received and. sent simultaneously is called: a) Half-duplex b) Simplex c) Full-duplex d) Duplex 66 / 100 66) Many networks include a central computer called: a) Server b) Gateway c) Bridge d) Clint 67 / 100 67) Cabling on a linear bus topology can be extended using which of following? a) Barrel Connector b) Medium attachment c) Network adapter card d) Terminator 68 / 100 68) LAN does not use: a) Twisted pair b) Fiber optic c) Coaxial cable d) Telephone line 69 / 100 69) code is 7-bit or.8-bit code. a) EBCDIC b) ASCII c) BCD: d) Unicode 70 / 100 70) A device that connect multiple network using similar or different protocol is: a) Modem b) Router c) Ethernet d) LAN 71 / 100 71) The layer lies between the network layer and the application layer a) Presentation layer b) physical layer c) Session layer d) Transport layer 72 / 100 72) A set collection of a large number of computers all over the world connected to one another is a) Interlink b) Internet 73 / 100 73) The network that connects different campuses of a college in city is an example of: a) LAN b) WAN c) NAN d) MAN 74 / 100 74) A type of communication that sends that uses a clock to control timing of bits being sent is called: a) Monochronous transmission b) Asynchronous transmission c) Isochronous transmission d) Synchronous transmission 75 / 100 75) The message sent on a ____ network can take any of several possible paths from source to destination a) Mesh b) Star c) Tree d) Ring 76 / 100 76) A device that is used to connect two computers using telephone line is called: a) Graphic Card b) Ethernet Card c) Modem d) Sound Card 77 / 100 77) Ethernet, Token bus and Token Ring have been defined by: a) ISO b) CCIT c) Microsoft d) IEEE 78 / 100 78) Which of the following is an internet protocol? a) ARCnet b) Token Ring c) TCP/IP d) Ethernet 79 / 100 79) Route determination can be identified by: a) Presentation layer b) Network layer c) transport layer d) Session layer 80 / 100 80) De Jure means a) By luck b) By law c) By fact d) By chance 81 / 100 81) Which of the following is NOT a type of protocol? a) CCIT b) FTP c) Ethernet d) ARCnet 82 / 100 82) Which of the following transmission media is used in LAN? a) Coaxial cable b) Telephone line c) Satellite d) Microwave 83 / 100 83) How many types of network standard are there a) 8 b) 2 c) 4 d) 16 84 / 100 84) A modem allows computers to access other computers through following types of connection a) Phone lines b) Cable c) Offline d) Wireless 85 / 100 85) How many characters ASCII 8-bit code can represent? a) 256 b) 364 c) 500 d) 128 86 / 100 86) ASCII code was.developed by: a) Full-duplex b) Simplex transmission c) Duplex d) ANSI.. 87 / 100 87) The layer is used to control how a bit-streams of data is sent and received over physical medium a) Presentation layer b) Session layer c) Physical layer d) transport layer 88 / 100 88) The set of rules to exchange data in a communications network is called: a) Method b) Token c) Procedure d) Protocol 89 / 100 89) OSI reference model has: a) 9 layers b) 7 layers c) 2 layers d) 5 layers 90 / 100 90) The technology of long-distance communication is known as: a) Mass communication b) Telephony c) Telecommunications d) Telegraphy 91 / 100 91) The process of transferring a file from our own computer to the remote computer on a network: a) Sharing b) Pasting c) Downloading d) Uploading 92 / 100 92) Internet surfing is an example of: a) Duplex transmission. b) Frequency c) .Full duplex transmission d) Half duplex transmission 93 / 100 93) The communication channels can be divided into_categories: a) Seven b) Four c) Eight d) Two 94 / 100 94) Terminators are used in______ topology: a) Mesh b) Bus c) Tree d) Star 95 / 100 95) A computer network in which all computers have equal status and no one have control over others: a) Client-server b) Dedicated c) Peer-to-peer d) Client-to-client 96 / 100 96) .Which transmission type transmits data one character at a time a) Asynchronous b) Synchronous c) Parallel: d) Ethernet. 97 / 100 97) What binary bits are used to encode digital data? a) .0 to 9 b) 1s c) Os d) Os and 1s. 98 / 100 98) DSL stands for a) Digital Subscriber Link b) Distance Server Line c) Digital subscriber Line d) Domain System Line 99 / 100 99) In star topology, the central device is called: a) links b) Node c) Medium d) Hub 100 / 100 100) The types.of signals can be: a) Analog b) Digital c) Digital and Analog d) Analog Your score is LinkedIn Facebook Twitter VKontakte {{#message}}{{{message}}}{{/message}}{{^message}}Your submission failed. 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