Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65 IPv6 has ________ -bit address. 128 Variable 32 64 2 / 65 The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. transport physical data link network 3 / 65 In …….. Network Topology nodes are connected in a single wire Star All Bus Mesh 4 / 65 In which communication media, the data transfer rate is high? Fiber optics Microwave Twisted pair Co-axial cable 5 / 65 What is the basic characteristic of WAN? Simple and Mostly Public Complex and Mostly Private Simple and Mostly Private Complex and Mostly Public 6 / 65 Which one is not network topology? Ring Client Server Star BUS 7 / 65 The information to be communicated in a data communications system is the __________ protocol transmission message medium 8 / 65 Select the perfect order of dada communication system or model. Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 9 / 65 Communication between a computer and a keyboard involves ________ transmission. simplex automatic half-duplex full-duplex 10 / 65 In the OSI model, encryption and decryption are functions of the_________layer. session presentation transport application 11 / 65 Which is web browser software? Windows NT All of the options Internet explorer Windows 2007 12 / 65 Which topology is more reliable and secured for a LAN? Bus Ring Star Mesh 13 / 65 Give an example of full duplex mode of data communication. FM Radio Television Internet Walkie-talkie 14 / 65 In client server network architecture, which statement is not true? Network controlling and management is easier. It is less expensive architecture Secured and reliable network architecture Data traffic is very high because of broad architecture 15 / 65 The________ layer is responsible for the delivery of message from one process to another. physical data link transport none of these 16 / 65 Which one is an example of bound media Fiber optic Laser transmission Infrared transmission Microwave transmission 17 / 65 Each computer on the Internet has a unique numeric address called a/an... web address Network binding IP address Domain address 18 / 65 What is the correct order of OSI reference model of a computer network from botttom to top? physical, datalink, network, transport, session, application and presentation physical, datalink, network, transport, session, presentation and application physical, datalink, network, transport, presentation, session, and application physical, datalink, transport, network, session, presentation and application 19 / 65 A_________________ is a set of rules that governs data communication. portocol None of these Forum standard 20 / 65 The ________ is the physical path over which a message travels. signal None of these protocol medium 21 / 65 ____ is a collection of point to point links that may form a circle. Bus Topology Star Topology Mesh Topology Ring Topology 22 / 65 An unauthorized user is a network _______ issue. All of the above security performance reliability 23 / 65 Which refers to the communication media? All of the given options UTP cable Fiber optic cable Satellite 24 / 65 Which is not a guided media? Satellite UTP Cable Fiber Optic STP Cable 25 / 65 The _____ layer enables the user to access the network Transport Physical Application Data link 26 / 65 Frequency of failure and network recovery time after a failure are measures of the ________ of a network. performance security feasibility reliability 27 / 65 Which is not an Internet service? e-commerce e-telephone e-fax e-mail 28 / 65 In which network topology, devices are connected through the hub? Ring topology None of the above Star topology Bus topology 29 / 65 The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Transport Data link Physical Session 30 / 65 E-mail is a/an......... service of Internet Organization, which controls the Internet protocol to access the Internet None of the above 31 / 65 ____________ is a network that connect sites that are in diverse locations. None of these WAN LAN MAN 32 / 65 The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Transport Network Data link 33 / 65 What is the maximum length of typical type of LAN? 3 KM 10 KM 1 KM 100KM 34 / 65 The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Data link Session Presentation Transport 35 / 65 A television broadcast is an example _________ of transmission. Simplex Half-duplex None of these Full-Duplex 36 / 65 ………….. is the technology that connects the machines and people within a site in a small area. MAN None of these LAN WAN 37 / 65 Which of the following statement in not true? All networks' components can be controlled by a single computer system. Network security is the most challenging job for network administrator. Communication has become faster, reliable but expensive for data communications. Computer resources such as hardware, software, data can be shared in a Network. 38 / 65 The ________ layer is responsible for delivering data units from one station to the next without errors. network transport physical data link 39 / 65 The ______ model shows how the network functions of a computer ought to be organized. ANSI ISO CCITT OSI 40 / 65 What does MAC stands for? Media Accesses Control Mandatory Access Control Medic Access Certificate Micro Access Control 41 / 65 In a _______ connection, more than two devices can share a single link. Multipoint Primary Secondary Point-to-point 42 / 65 _________ is a collection of many separate networks. None of these A LAN A WAN An Internet 43 / 65 Which device is necessary to operate the Internet? All of the above Modem ISP CD-ROM 44 / 65 Which is not unguided media? Fiber optic Microwave Infrared Radio wave 45 / 65 The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. None IEEE ISO OSI 46 / 65 __________is a network that covers geographic areas that are larger, such as districts or cities. MAN WAN None of these LAN 47 / 65 The session, presentation and application layers are the ________ support layers. user network both network and uers None of the option 48 / 65 The_________ layer is responsible for moving frames from node to the next. None of these transport physical data link 49 / 65 A computer network permits sharing of ...... None of these Both Resources And Information Information Resources 50 / 65 When a host on network A sends a message to a host on network B, which address does the router look at? Port None of these Logical Physical 51 / 65 What are the five elements of basic communication system? Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Rules and Protocols 52 / 65 Devices may be arranged in a _______ topology. Bus Mesh All of the options are correct Ring 53 / 65 The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. None Physical Port Logical 54 / 65 Which of the following is a remote login service? Video conference All of the above Telnet FTP 55 / 65 The physical, data link and network layers are the __________ support layers. both network and uers None of the option network user 56 / 65 Why was the OSI model developed? Standards were needed to allow any two systems to communicate None of the above The rate of data transfer was increasing exponentially manufacturers disliked the TCP/IP protocol suite 57 / 65 Which is not related to Internet? UPS TCP/IP ISP WWW 58 / 65 Which is not Communication Media? Wire Satellite NIC Microwave 59 / 65 In a digital data transmission of computer networking, what is Mbps? Mega Bands Per Second Mega Bits Per Second Mega Bytes Per Second Media Bits Per Second 60 / 65 Modem converts....... Sound signal to video Sound into digital Digital signal into sound None of the options are correct 61 / 65 The OSI model consists of _______ layers. eight seven six five 62 / 65 Which of the following is not a protocol? POP TCP/IP FTP NOS 63 / 65 In OSI model, what is the main function of the transport layer? synchronization process-to-process message delivery updating and maintenance of routing tables node-to-node delivery 64 / 65 Which of the following is not a guided data communication media? Twisted pair Coaxial cable Satellite Fiber optic 65 / 65 Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Internet Layer Protocol None of these Transport Layer Protocol Application Layer Protocol Your score isThe average score is 73% 0% Restart quiz Post Views: 1,965