iHKCL | MCQ Practice


Q1 What is a precise set of rules that govern how 2 people or things will intract A. PPP B. Protocol C. OSI Layers D. None 0 0 Correct Answer B
Q2 Network Storage is first divided into A. Volumes B. Protocols C. Root D. None 0 0 Correct Answer A
Q3 Command that issued only from the file server's console are known as A. Server Command B. System Command C. Console Command D. System & Server Command 0 0 Correct Answer C
Q4 Which provides a more sophisticated network communications tool A. Console Message B. Communication C. Run D. Email 0 0 Correct Answer D
Q5 Who makeup the majority of the network users A. User B. End User C. Administrator D. None 0 0 Correct Answer B
Q6 Which Command allows the user to set a new password or change an existing one A. MMC B. Setconolepass C. Setpass D. None 0 0 Correct Answer C
Q7 What do you mean by HAL A. Hardware Application Layer B. Hardware Application Link C. Hardware Access Layer D. None 0 0 Correct Answer A
Q8 Which Protocol is used in Smart Card A. PAP B. CHAP C. EAP D. DAP 0 0 Correct Answer C
Q9 How many octave in IP Addressing A. 2 B. 4 C. 8 D. 16 0 0 Correct Answer B
Q10 Which cable is used for the backbone of the Network A. 10Base2 B. 10Base5 C. Fiber Optic D. RJ45 0 0 Correct Answer B
Q11 Define UTP in cableingss A. Unshielded Twisted Pair B. Unshield Twin Pair C. Unwired Twin Pair D. Unwired Twisted Pair 0 0 Correct Answer A
Q12 What is the high speed networks in full duplex token ring A. 20MBPS B. 32MBPS C. 64MBPS D. None 0 0 Correct Answer B
Q13 What is the high speed of Ful duplex Ethernet A. 20MBPS B. 32MBPS C. 64MBPS D. None 0 0 Correct Answer A
Q14 What is the high speed of Fast Ethernet A. 20MBPS B. 600MBPS C. 100MBPS D. 320MBPS 0 0 Correct Answer C
Q15 Which ype of cable is used to connect two parallel systems A. Fast Ethernet Cable B. Token Cable C. Cross Cable D. Parallel Cable 0 0 Correct Answer C
Q16 What is the maximum length limitation for 100BaseT from a Workstation to B Workstaion A. 100M B. 200M C. 250M D. 2000M 0 0 Correct Answer D
Q17 In which network each node has P-P-Link with a control hub A. Ring B. Bus C. Star D. None 0 0 Correct Answer A
Q18 Which command is used to check the IP Address A. IPCON B. IPCONFIG C. ITPCONFIG D. CONFIG 0 0 Correct Answer B
Q19 How many Layers are in Open System Interconnection A. 1 B. 5 C. 7 D. 11 0 0 Correct Answer C
Q20 Why is Router used A. To connect 2 computers B. To connect 2 different networks C. To connect 2 bridges D. None 0 0 Correct Answer B
Q21 What is the common term for multiple physical print devices associated with a single printer A. Printer Group B. Printer Cluster C. Printer Pool D. Parallel Printing 0 0 Correct Answer C
Q22 Where do you configure processor affinity A. Control Panel, Sevices B. Control Panel, System C. Performance Monitor D. Task Manager 0 0 Correct Answer D
Q23 Which operating system can be intalled remotely using sysprep answer files A. Win 3.1 B. Win 95 C. WinNt4 D. Win 2000 0 0 Correct Answer D
Q24 IP Address is of how many bits A. 16 B. 32 C. 64 D. 128 0 0 Correct Answer B
Q25 Which are LAN Topologies A. Star B. Ring C. Bus D. All of these 0 0 Correct Answer D
Q26 ATM term used in Networking stands for A. Asynchronous Transfer Mode B. Automatic Transfer Mode C. Automatic Teller Machine D. None 0 0 Correct Answer A
Q27 Which is the fastest LAN A. Full Duplex Token Ring B. Fast Ethernet C. Full Duplex Ethernet D. None 0 0 Correct Answer B
Q28 What is the medium of data signaling in Fiber Optic Network A. Sound B. Noise C. Data D. Light 0 0 Correct Answer D
Q29 Which OSI Layer defines a flat address space A. Layer 1 B. Layer 2 C. Layer 3 D. Layer 4 0 0 Correct Answer B
Q30 TCP Stands for A. Transmision Control Process B. Transfer Control Protocol C. Transmission Control Protocol D. None 0 0 Correct Answer C
Q31 How many bits are in IPX Address A. 50 bits B. 60 bits C. 70 bits D. 80 bits 0 0 Correct Answer D
Q32 Which Command is used to log into a file server A. Login B. Connect C. Sytemin D. None 0 0 Correct Answer A
Q33 The most commonly shared device is A. Harddisk B. Floppy C. CD Rom D. Printer 0 0 Correct Answer D
Q34 Which command is used to tell the computer to send output to a network print queue A. Endcap B. Send C. CAPTURE D. NPPRINT 0 0 Correct Answer C
Q35 How many types of IP Address Classes A. 6 B. 5 C. 4 D. 3 0 0 Correct Answer A
Q36 How does an IPX client find a server A. GPS Broadcast B. GNS Broadcast C. PPP Broadcast D. None 0 0 Correct Answer B
Q37 What is the access lsit number range for an extended IPX access list A. 100 to 500 B. 600 to 1000 C. 900 to 999 D. 1000 to 1100 0 0 Correct Answer C
Q38 What is the access list number reange from an IPX SAP Filter A. 100 to 500 B. 1000 to 1099 C. 1000 to 1100 D. 1000 to 2000 0 0 Correct Answer B
Q39 At which layer of OSI model does switch operate A. Layer 1 B. Layer3 C. Layer7 D. Layer2 0 0 Correct Answer D
Q40 How many types of routes A. Static B. Dynamic C. Stactic, Dynamic D. None 0 0 Correct Answer C
Q41 What type of cable is needed to a console port A. Rollover Cable B. Cross Cable C. UTP Cable D. None 0 0 Correct Answer A
Q42 What are the two PPP authentication options A. PAP, PPP B. CHAP, PAP C. CHAP, PPP D. None 0 0 Correct Answer B
Q43 What does ISDN stands for A. Integrated Services Device Network B. Integrated Service Device Node C. Integrated Services Digital Network D. Integrated Sevices Digital Node 0 0 Correct Answer C
Q44 Frame Relay operates at which OSI Layer A. Layer1 B. Layer2 C. Layer7 D. Layer5 0 0 Correct Answer B
Q45 The loss in signal power as light travels down the fiber is called A. attenuation B. propagation C. scattering D. interruption 0 0 Correct Answer A
Q46 Number of bits per symbol used in Baudot code is A. 7 B. 5 C. 8 D. 9 0 0 Correct Answer B
Q47 An example of an analog communication method is A. laser beam B. microwave C. voice grade telephone line D. all of the abo 0 0 Correct Answer D
Q48 Data communications monitors available on the software marked include A. ENVIRON/1 B. TOTAL C. BPL D. Telenet 0 0 Correct Answer B
Q49 While transmitting odd-parity coded symbols, the number of zeros in each symbol is A. odd B. even C. a and b both D. unknown 0 0 Correct Answer D
Q50 In communication satellite, multiple repeaters are know as A. detector B. modulator C. stations D. transponders 0 0 Correct Answer D
Q51 An example of a medium speed, switched communications services is A. series 1000 B. data phone 50 C. DDD D. all the above 0 0 Correct Answer C
Q52 To set up a bulletin board system you need A. a smart modem with auto-answer capabilities B. a telephone line C. a personal computer D. all of the above 0 0 Correct Answer D
Q53 Avalanche photodiode receivers can deted bits oftransmitted data by receiving A. 100photons B. 200photons C. 300 photons D. none of the above 0 0 Correct Answer B
Q54 One important characterstic of the hub architecture of ARC net is A. a directionalized transmission B. access control & addressing C. multiple virtual networks D. alternative routing 0 0 Correct Answer A
Q55 A band is always equivalent to A. a byte B. a bit C. 100 bits D. none of the above 0 0 Correct Answer D
Q56 A remote batch-processing operation in which data is solely input to a central computer would require A. telegraph line B. simplex lines C. mixed bad channel D. all the above 0 0 Correct Answer B
Q57 In a synchronous modem, the digital-to-analog converter transmits signal to the A. equalizer B. modulator C. demodulator D. terminal 0 0 Correct Answer A
Q58 Which of the following statement is correct A. terminal section of asynchronous modem contains the scrambler B. receiver section of a synchronous modem contains the scrambler C. transmission section of the scrambler D. control section of a synchronous modem contains the scrambler 0 0 Correct Answer C
Q59 Which of the following is considered a broad band communication channel A. coaxial code B. fiber optic cable C. satellite systems D. all of the above 0 0 Correct Answer D
Q60 Which of the following statement is incorrect A. The difference between synchronous and asynchronous transfmission is the clocking derived from the data in synchronous transmission B. Half-duplex line in which data can move in two directions, but not at the same time C. Teleprocessing combines telcommunications and DP techniques in online activites D. Batch processing is the preferred processing mode for telecommunication operations 0 0 Correct Answer D
Q61 The interactive transmission of data within a time sharing system may be best suited to A. simplex lines B. half duplex lines C. full duplex lines D. biflex line 0 0 Correct Answer B
Q62 Communication circuits that transmit data in both directions but not at the same time are operating in A. a simple mode B. a half-duplex de C. a full duplex mode D. an asynchronous mode 0 0 Correct Answer B
Q63 Local area network A. that connects thiryt personal computers can provide more computing power than a mini computer B. controls error detection and correction C. constructs packets of data and sends them across the network D. none of the above 0 0 Correct Answer D
Q64 What does the acronym (ISDN) stand for A. integrated Services Digital Network B. Intelligent Indian Standard Digital Network C. Services Digital Network D. Integrated Services Data Network 0 0 Correct Answer B
Q65 If you get both local and remote echoes, every character you type will appear on the screen A. once B. twice C. three times D. never 0 0 Correct Answer B
Q66 In geosynchronous orbit, satellite A. remains in a fixed position so that as earth rotates, it can fully cover the earth B. remains in a fixed position related to points on earth C. moves faster than the earth's rotations so that it can cover larger portion of earth D. moves simulataneously 0 0 Correct Answer A
Q67 In a PC to telephone hookup for longdistance communication, modem is connected between the telephone line and A. PC B. Synchronous port C. Crossover cable D. Asynchronous port 0 0 Correct Answer D
Q68 What function does a serial interface perform in data communication A. converts serial data into audio data signals B. converts analog signals into digital signals C. converts parallel data into a stream of bits and vice-versa D. decodes incoming signals into computer data 0 0 Correct Answer C
Q69 Which of the following is possible in a taken passing bus network A. in service expansion B. unlimited number of stations C. a and b both D. unlimited distance 0 0 Correct Answer A
Q70 Which of the following statements is correct A. protocol converters are the same as multiplexers B. protocol converters are the same as TDMs C. protocol converters are usually not operated in pairs D. None of the above 0 0 Correct Answer C
Q71 What is the main difference between DDCMP and SDLC A. DDCMP does not need special hardware tofinal the beginning of a message B. DDCMP has a message header C. SDLC has a IP address D. none of the above 0 0 Correct Answer A
Q72 The word telematics is a combination of A. computer B. telecommunication C. informatics D. b and c 0 0 Correct Answer D
Q73 An error detecting code is which code is the remainder resulting from dividing the bits to be checked by predetermined binary number, is known as A. cyclic redundancy check B. checksum C. error detecting code D. error rate 0 0 Correct Answer A
Q74 A central computer surrounded by one or more satellite computers is called a A. bus networks B. ring networks C. star networks D. non of the above 0 0 Correct Answer C
Q75 The application layer of a network A. establishes, maintains and terminates virtual circuits B. defines the user's port into the network C. consists of software being run oon the computer connected to the network D. none of the above 0 0 Correct Answer A
Q76 which of the following data transmission media has the larges terrestrial range without the sue ofrepeaters or other devices A. hardwiring B. microwave C. satellite D. laser 0 0 Correct Answer C
Q77 What is the name of the device that connects two computers by means ofa telephone line A. tape B. modem C. bus D. cable 0 0 Correct Answer B
Q78 Which of the following statements is correct A. characteristic of the hub architecture of ARC net is alternative routing B. characteristic of LAN is unlimited expansion C. characteristic of LAN is law cost access for low band width channels D. characteristic of thehub architecture of ARC net isdirectionalized transmission 0 0 Correct Answer D
Q79 Which of the following communication modes support two-way traffic but in only one direction at a time A. simplex B. half-duplex C. three quarters duplex D. full of the above 0 0 Correct Answer B
Q80 Device on one network can communicate with devices on another network via a A. file server B. utility server C. printer server D. gateway 0 0 Correct Answer D
Q81 Identify the odd temr among the following group? A. coaxial cable B. optical fiber C. twisted pair wire D. microwaves 0 0 Correct Answer D
Q82 What is the name of thedevice that connects two computers by means of a telephone line? A. Bus B. Modem C. Bus D. Cable 0 0 Correct Answer B
Q83 What is the name of the device tha tconverts computer output into a form that can be transmitted over a telephone line? A. Teleport B. Modem C. Multiplexer D. Concentrator 0 0 Correct Answer A
Q84 If communication software can be called "traffic cop" if a micro communication system, then what should be modem be called? A. Park B. Bridge C. Interface D. Link 0 0 Correct Answer C
Q85 What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end ? A. handshaking B. modem options C. protocol D. duplexing 0 0 Correct Answer A
Q86 Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information obut are able to see each other. What is it called? A. Telemeeting B. telemaling C. teleconferencing D. teletalking 0 0 Correct Answer B
Q87 Communication between computers is almost always A. Serial B. paraliel C. series parallel D. direct 0 0 Correct Answer B
Q88 What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard A. 4 B. 2 C. 6 D. 3 0 0 Correct Answer D
Q89 Who invented the modem? A. Wang Laboratoris Ltd B. AT&T Information Systems, USA C. Apple Computer Inc D. Digital Equipment Corpn. 0 0 Correct Answer C
Q90 Four bits are used for packed sequence numbering in asliding window protocol used in a computer network. What is the maximum window size? A. 4 B. 8 C. 15 D. 16 0 0 Correct Answer C
Q91 Which of the following is required tocommunicate between two computer A. communications software B. protocol C. communications hardware D. all of the above 0 0 Correct Answer D
Q92 Which of the following is considered a broad band communications channel? A. Coaxial cable B. fiber optic cable C. microwave circuits D. all of the above 0 0 Correct Answer D
Q93 Which of the following does not allow multiple users or devices toshare one communications line? A. Doubleplexer B. multiplexer C. concentrator D. controller 0 0 Correct Answer A
Q94 Most data communications involving telegraph line use A. simplex lines B. wideband channesl C. narrow band chnnels D. dialed service 0 0 Correct Answer C
Q95 A characteristic of a multiprogramming system is A. simultaneous execution of program instructions from two applications B. concurrent processing of two or more program C. multiple CPUs D. all of the above 0 0 Correct Answer B
Q96 Which of the following items is not used in Local Area Networks(LAN) A. Computer B. Modem C. Printer D. Cable 0 0 Correct Answer B
Q97 Which of the following device is used with an X.25 network to provide service to asynchronous terminals A. Repeater B. bridges C. gateway D. packet assembler/diisassembler 0 0 Correct Answer D
Q98 The X.25 standard specifies a A. technique for start-stop data B. technique for dial access C. DTE/DCE interface D. data bit rate 0 0 Correct Answer C
Q99 Layer one of the OSI model is A. physical layer B. link layer C. transport layer D. network layer 0 0 Correct Answer A
Q100 How many OSI layers are covered in the X.25 standard A. two B. three C. seven D. six 0 0 Correct Answer B
Q101 The process of converting anallog signals into digital signals so they can be processed by a receiving computer is reffereed to as A. modulation B. demodulation C. synchronizing D. digitising 0 0 Correct Answer D
Q102 Which of the following performs modulation and demodulation A. fiber optic B. satellite C. coaxial cable D. modem 0 0 Correct Answer D
Q103 In OSI network architecture, the routing is performed oby A. network layer B. data link layer C. transport layer D. session layer 0 0 Correct Answer A
Q104 In OSI network architecture, the dialogue control and token management are responsibilities of A. session layer B. network layer C. transport layer D. data link layer 0 0 Correct Answer A
Q105 The OCR reading unit attached to a POS terminal is called A. Light pen B. wand C. cursor D. all the above 0 0 Correct Answer B
Q106 Error detecting code is A. an error-detecting code based on a summation operation performed on the bits to be checked B. a check bit appended to an array of binary digits to make the sum of all the binary digits C. A code in which each expression conforms to specify rules of construction and thus the presence of the error is detected D. The ratio of the data units in error to the total number of data units 0 0 Correct Answer C
Q107 Which of the following communications service provides message preparation and transmission facilities ? A. Teletex B. Teletext C. X400 D. Fax 0 0 Correct Answer A
Q108 A distributed network configuration in which all data/information pass through a central computer is A. bus network B. star network C. ring network D. point-to-point network 0 0 Correct Answer C
Q109 Which of the following medium access control technique is used for bus/ tree A. token ring B. token bus C. CSMA D. MAC 0 0 Correct Answer B
Q110 A 6 MHhz channel is used by digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate A. 1.5Mbaud/sec B. 6 Mbaud/sec C. 12Mbaud/sec D. 24Mbaud/sec 0 0 Correct Answer C
Q111 Which of the following might be used by a company to satisfy its growing communications needs A. front end processor B. multiplexer C. controller D. all of the above 0 0 Correct Answer D
Q112 Which of the follwing allows devices on the one network communicate with devices on another network? A. Multiplexer B. gateway C. T-switch D. modem 0 0 Correct Answer C
Q113 Different computers are connected to a LAN by a cable and a/an A. modem B. interface card C. special wires D. telephone lines 0 0 Correct Answer B
Q114 A T-switch is used to A. control how message are passed between computers B. echo every character that is received C. transmit characters one at a time D. rearrange the connections between computing equipment 0 0 Correct Answer D
Q115 Internet is A. loose network not owned by anybody network run by the US Government B. a network run by the United Nations Organisation C. a but used by all universities and governments around the globe D. a commercial information service run by Ziff Davis Co., in US 0 0 Correct Answer C
Q116 In computer network the following applications are becoming very popular A. Hierachical Applications B. Centralized Applications C. Client/Server Applications D. Stand- alone Applications 0 0 Correct Answer C
Q117 Parity bit is A. an error-detecting code based on a summation operation performed on the bits to be checked B. A check bit appended to an array of binary digits to make the sum of all the binary digits C. a code in which each expression conforms to specific rules of construction, so that it certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors in detected D. none of the above 0 0 Correct Answer B
Q118 To connect a computer with a device in the same room, you might be likely to use A. a coaxial cable B. adedicated line C. a ground station D. all of the above 0 0 Correct Answer A
Q119 When a group of computers is connected togethder ina small area without the help of telephone lines, it is called A. Remote communication network (RCN) B. Local area network (LAN) C. Wide area network (WAN) D. value added network (VAN) 0 0 Correct Answer B
Q120 What is going 'on line' ? A. Buying a MODEM and connecting it to your computer B. Getting a PTI or REUTERS news wire connection C. Connecting your computer to a LAN D. Getting access to the various commercial and other information services over the dial-up lines or I- Net connection 0 0 Correct Answer D
Q121 A packet switching network A. if free B. can reduce the cost of using an information utility C. allows communications channels to be shared among more than one user D. both b and c 0 0 Correct Answer D
Q122 Application servers are A. Network Management Software B. Integrated Development Platforms C. Multiprocessor systems with typically 4GB disks, 128 KB RAM, multiple hard disks, CD ROM and network cards D. systems used by on-line services for uploading applications and shareware 0 0 Correct Answer C
Q123 What is the minimum number of wires required for sending data over a serial communication links ? A. 2 B. 1 C. 4 D. 3 0 0 Correct Answer A
Q124 Which transmission mdoe is used for data communication along telephone lines ? A. Parallel B. Serial C. Synchronous D. Asynchronous 0 0 Correct Answer B
Q125 What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers ? A. 6 B. 9 C. 8 D. 7 0 0 Correct Answer B
Q126 Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called. A. LAN B. WAN C. ECONET D. EITHERNET 0 0 Correct Answer B
Q127 Working of the WAN generally involves A. telephone lines B. mocrowaves C. satellites D. all of the above 0 0 Correct Answer D
Q128 The slowest transmission speeds are those of A. twisted-pair wire B. coaxial cable C. fiber-optic cable D. microwaves 0 0 Correct Answer D
Q129 How many pairs of stations can simultaneously communicate on Ethernet LAN A. 1 B. 2 C. 3 D. multiple 0 0 Correct Answer B
Q130 Videotex is a combinationof A. television B. communication C. computer technology D. all of the above 0 0 Correct Answer D
Q131 We can receive data either trough our television aerial or down our telephone lines and display this data on our television screen. What is thegeneral name givento this purpose A. view data B. Tele text C. Tele software D. Video tex 0 0 Correct Answer D
Q132 After coding a document into a digital signal, it can be sent by telephone, telex or satellite to tehreceiver where the signals is decoded and an exact copy of the original document is made. What is it called? A. Telex B. Word processor C. Facsimile D. Electronic mail 0 0 Correct Answer C
Q133 The transfer of data from a CPU to peripheral devices of a computer is achieved through A. modems B. computer ports C. interrfaces D. buffer memory 0 0 Correct Answer B
Q134 The communication mode that supports two way traffic but only one direction at a time is A. simplex B. duplex C. half duplex D. multiplex 0 0 Correct Answer C
Q135 FDDI is a A. ring network B. star network C. mesh network D. bus based network 0 0 Correct Answer A
Q136 Demodulation is the process of A. converting digital signals to analog signals B. converting analog signals to digital signals C. combining many low speed channels into oen high speed channel D. dividing the high-speedsignals into frequency bands 0 0 Correct Answer B
Q137 What was the first Network that was made available A. DECNet 1980 B. novel Netware C. IBMm Token Ring 1985 D. IBM PC Network 1984 0 0 Correct Answer A
Q138 Modulation is the process of A. a file from one computer toanother computer B. converting digital signals toanalog C. converting analog signals todigital signals D. none of the above 0 0 Correct Answer B
Q139 The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to tehsender. In full duplex data transmission, both the sender and the receiver A. cannot talk at once B. can receive and send data simultaneously C. can send or receive data one at a time D. can do one data transmission only 0 0 Correct Answer B
Q140 Which data communication method is used for sending data in both directions at the same time A. super duplex B. simplex C. half duplex D. full duplex 0 0 Correct Answer D
Q141 Choose the one which is not relevant to network A. low-end standal one hubs B. stackable hubs C. enterprise hubs D. bus hubs 0 0 Correct Answer D
Q142 Which of the following is used for modulation and demodulation A. modem B. protocols C. gateway D. multiplexr 0 0 Correct Answer A
Q143 A hub in network is a A. a multi port signal repeater or concentrator B. a multi-plug like device to allow many computers to be connected C. the server which serves every node D. the central power supply 0 0 Correct Answer A
Q144 Which of the following refers to the terms "residual error rate"? A. the number of bit errors per twenty four hours of continuous operation on an asynchronous line B. the probability that one or more errors will be undetected when an error detection scheme is used C. the probability that one or more errors will be detected when an error detection mechanism is used D. signal to noise ratio divided by the ratio of energy per bit to noise per hertz 0 0 Correct Answer B
Q145 A local area network A. that connects thirty personal computers can provide more computing power than a minicomputer B. cannot become boged down like a mainframe would if the load is too high C. both a and b D. all of the above 0 0 Correct Answer A
Q146 What are the most commonly used transmission speeds in BPS used in data communication A. 9600 B. 1200 C. 2400 D. all the above 0 0 Correct Answer D
Q147 What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience post messages, actively exchange idesas and participate in ongoing discussions A. e-mail B. Bulletin board system(BBS) C. Teleconferenceing D. Videoconferenceing 0 0 Correct Answer B
Q148 A communication network which is used by large organisation over regional, national or global area is called A. LAN B. WAN C. MAN D. VAN 0 0 Correct Answer B
Q149 Synchronous protocols A. transmit characters one at a time B. allow faster transmission thanasynchronous protocols do C. are enerally used by personal computers D. are more reliable 0 0 Correct Answer B
Q150 The most flexibility in how devices are wired together is provided by A. bus networks B. ring networks C. star networks D. non of the above 0 0 Correct Answer A
Q151 The physical layer of a network A. defines the electrical characteristics of signals passed between the computer and communication devices B. controls errors detection and correction C. constructs packets of data and sends them across the network D. all of the above 0 0 Correct Answer A
Q152 Which of the followign might be used by a company to satisfy its growing communications needs ? A. front-end processor B. multiplexer C. controller D. all of the above 0 0 Correct Answer D
Q153 Working of the WAN generally involves A. telephone lines B. microwaves C. satellites D. all of the above 0 0 Correct Answer D
Q154 What is the name of the network topology in which there are bi-directional links between each possible node A. Ring B. Star C. Tree D. Mesh 0 0 Correct Answer D
Q155 A 2400-character text file has to be transmitted by using a 1200 baud modem. Can you tell how long will it take A. 2 seconds B. 20 seconds C. 10 seconds D. 12 seconds 0 0 Correct Answer B
Q156 Many low-speed channels are interwoven into one high-speed transmission by a A. time-division multiplexer B. frequency-division multiplexer C. both b and c D. all of the above 0 0 Correct Answer A
Q157 What is the commonly used unit for measuring the speed of data transmission A. bytes per second B. baud C. bits per second D. either b or c 0 0 Correct Answer B
Q158 Local area network can transmit A. faster than telecommunications over public telephone lines B. slower than telecommunications over public telephone lines C. using twisted pair wiring or coaxial cables D. both a and b 0 0 Correct Answer D
Q159 Which of the following communications modes support two-way traffic but in only one direction at a time ? A. simple B. half-duplex C. three-quarters duplex D. full of the above 0 0 Correct Answer B
Q160 "Store and forward" applies to A. distributed processing B. timesharing C. both a and b D. neither a nor b 0 0 Correct Answer D
Q161 The term "remote job entry" relates to A. batch processing B. realtime processing C. transaction processing D. distributed processing 0 0 Correct Answer A
Q162 Terminals are required for A. batch processing B. realtime processing C. both a and b D. neither a nor b 0 0 Correct Answer B
Q163 A batch processing terminal would not include a A. CPU B. card reader C. card punch D. line printer 0 0 Correct Answer A
Q164 Typewriter terminals can print computer-generated data at a rate of A. 10 characters per second B. 120 characters per second C. 120 characters per minute D. 1200 characters per minute 0 0 Correct Answer B
Q165 An ROP would be attached to a A. simplex channel B. duplex channel C. half duplex channel D. full duplex channel 0 0 Correct Answer A
Q166 A network that requires human intervention of route signals is calle a A. bus network B. ring network C. star network D. switched network 0 0 Correct Answer D
Q167 A required characteristic of an online real-time system is : A. more than one CPU B. offline batch processing C. no delay in processing D. all the above 0 0 Correct Answer C
Q168 Which of the following communications lines is best suited to interactive processing applications ? A. narroband channels B. simplex lines C. full-duplex lines D. mixeband channels 0 0 Correct Answer C
Q169 A communications device that combines transmissions from several I/O devices into one line is a : A. concentrator B. modifier C. multiplexer D. ful-duplex line 0 0 Correct Answer C
Q170 A distributed data processing configuration in which all activities must pass through a cerntrally located computer is called a : A. ring network B. spider network C. hierarchical network D. data control network 0 0 Correct Answer B
Q171 An anticipated result from multi programming operations is : A. reduced computer idle time B. the handling of more jobs C. better scheduling of work D. all the above 0 0 Correct Answer D
Q172 A subdivision of main storage created by operational software is referred to as a : A. compartment B. time-shared program C. divided core D. partition 0 0 Correct Answer D
Q173 Which of the following types of channels moves data relatively slowly ? A. wideband channel B. voiceband channel C. narrowband channel D. broadband channel 0 0 Correct Answer C
Q174 The systematic access of small computers in a distributed data processing system is feferred to as: A. dialed serivce B. multiplexing C. polling D. conversational mode 0 0 Correct Answer C

Network

Q1 What is a precise set of rules that govern how 2 people or things will intract

Q2 Network Storage is first divided into

Q3 Command that issued only from the file server's console are known as

Q4 Which provides a more sophisticated network communications tool

Q5 Who makeup the majority of the network users

Q6 Which Command allows the user to set a new password or change an existing one

Q7 What do you mean by HAL

Q8 Which Protocol is used in Smart Card

Q9 How many octave in IP Addressing

Q10 Which cable is used for the backbone of the Network

Q11 Define UTP in cableingss

Q12 What is the high speed networks in full duplex token ring

Q13 What is the high speed of Ful duplex Ethernet

Q14 What is the high speed of Fast Ethernet

Q15 Which ype of cable is used to connect two parallel systems

Q16 What is the maximum length limitation for 100BaseT from a Workstation to B Workstaion

Q17 In which network each node has P-P-Link with a control hub

Q18 Which command is used to check the IP Address

Q19 How many Layers are in Open System Interconnection

Q20 Why is Router used

Q21 What is the common term for multiple physical print devices associated with a single printer

Q22 Where do you configure processor affinity

Q23 Which operating system can be intalled remotely using sysprep answer files

Q24 IP Address is of how many bits

Q25 Which are LAN Topologies

Q26 ATM term used in Networking stands for

Q27 Which is the fastest LAN

Q28 What is the medium of data signaling in Fiber Optic Network

Q29 Which OSI Layer defines a flat address space

Q30 TCP Stands for

Q31 How many bits are in IPX Address

Q32 Which Command is used to log into a file server

Q33 The most commonly shared device is

Q34 Which command is used to tell the computer to send output to a network print queue

Q35 How many types of IP Address Classes

Q36 How does an IPX client find a server

Q37 What is the access lsit number range for an extended IPX access list

Q38 What is the access list number reange from an IPX SAP Filter

Q39 At which layer of OSI model does switch operate

Q40 How many types of routes

Q41 What type of cable is needed to a console port

Q42 What are the two PPP authentication options

Q43 What does ISDN stands for

Q44 Frame Relay operates at which OSI Layer

Q45 The loss in signal power as light travels down the fiber is called

Q46 Number of bits per symbol used in Baudot code is

Q47 An example of an analog communication method is

Q48 Data communications monitors available on the software marked include

Q49 While transmitting odd-parity coded symbols, the number of zeros in each symbol is

Q50 In communication satellite, multiple repeaters are know as

Q51 An example of a medium speed, switched communications services is

Q52 To set up a bulletin board system you need

Q53 Avalanche photodiode receivers can deted bits oftransmitted data by receiving

Q54 One important characterstic of the hub architecture of ARC net is

Q55 A band is always equivalent to

Q56 A remote batch-processing operation in which data is solely input to a central computer would require

Q57 In a synchronous modem, the digital-to-analog converter transmits signal to the

Q58 Which of the following statement is correct

Q59 Which of the following is considered a broad band communication channel

Q60 Which of the following statement is incorrect

Q61 The interactive transmission of data within a time sharing system may be best suited to

Q62 Communication circuits that transmit data in both directions but not at the same time are operating in

Q63 Local area network

Q64 What does the acronym (ISDN) stand for

Q65 If you get both local and remote echoes, every character you type will appear on the screen

Q66 In geosynchronous orbit, satellite

Q67 In a PC to telephone hookup for longdistance communication, modem is connected between the telephone line and

Q68 What function does a serial interface perform in data communication

Q69 Which of the following is possible in a taken passing bus network

Q70 Which of the following statements is correct

Q71 What is the main difference between DDCMP and SDLC

Q72 The word telematics is a combination of

Q73 An error detecting code is which code is the remainder resulting from dividing the bits to be checked by predetermined binary number, is known as

Q74 A central computer surrounded by one or more satellite computers is called a

Q75 The application layer of a network

Q76 which of the following data transmission media has the larges terrestrial range without the sue ofrepeaters or other devices

Q77 What is the name of the device that connects two computers by means ofa telephone line

Q78 Which of the following statements is correct

Q79 Which of the following communication modes support two-way traffic but in only one direction at a time