Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65 IPv6 has ________ -bit address. 128 64 Variable 32 2 / 65 Give an example of full duplex mode of data communication. Television Walkie-talkie Internet FM Radio 3 / 65 When a host on network A sends a message to a host on network B, which address does the router look at? Physical Logical Port None of these 4 / 65 __________is a network that covers geographic areas that are larger, such as districts or cities. None of these LAN MAN WAN 5 / 65 The session, presentation and application layers are the ________ support layers. user both network and uers network None of the option 6 / 65 Each computer on the Internet has a unique numeric address called a/an... Domain address IP address Network binding web address 7 / 65 A television broadcast is an example _________ of transmission. Full-Duplex None of these Half-duplex Simplex 8 / 65 The________ layer is responsible for the delivery of message from one process to another. none of these physical transport data link 9 / 65 Which is not related to Internet? ISP TCP/IP WWW UPS 10 / 65 Which one is not network topology? Client Server Ring Star BUS 11 / 65 Which refers to the communication media? Fiber optic cable All of the given options Satellite UTP cable 12 / 65 The _____ layer enables the user to access the network Physical Transport Data link Application 13 / 65 A computer network permits sharing of ...... Both Resources And Information None of these Information Resources 14 / 65 Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Transport Layer Protocol None of these Internet Layer Protocol Application Layer Protocol 15 / 65 The information to be communicated in a data communications system is the __________ message protocol medium transmission 16 / 65 What is the basic characteristic of WAN? Simple and Mostly Public Simple and Mostly Private Complex and Mostly Public Complex and Mostly Private 17 / 65 Which device is necessary to operate the Internet? Modem All of the above ISP CD-ROM 18 / 65 In OSI model, what is the main function of the transport layer? node-to-node delivery process-to-process message delivery updating and maintenance of routing tables synchronization 19 / 65 _________ is a collection of many separate networks. None of these A WAN A LAN An Internet 20 / 65 Which is not an Internet service? e-mail e-commerce e-fax e-telephone 21 / 65 The physical, data link and network layers are the __________ support layers. None of the option both network and uers network user 22 / 65 The ________ layer is responsible for delivering data units from one station to the next without errors. data link transport network physical 23 / 65 Communication between a computer and a keyboard involves ________ transmission. simplex automatic half-duplex full-duplex 24 / 65 The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Port Physical None Logical 25 / 65 Devices may be arranged in a _______ topology. All of the options are correct Bus Ring Mesh 26 / 65 Which is not Communication Media? Microwave Satellite NIC Wire 27 / 65 The ________ is the physical path over which a message travels. None of these signal protocol medium 28 / 65 Modem converts....... Sound into digital None of the options are correct Digital signal into sound Sound signal to video 29 / 65 Which is web browser software? Windows NT All of the options Internet explorer Windows 2007 30 / 65 ____________ is a network that connect sites that are in diverse locations. LAN None of these MAN WAN 31 / 65 E-mail is a/an......... protocol to access the Internet None of the above service of Internet Organization, which controls the Internet 32 / 65 ____ is a collection of point to point links that may form a circle. Mesh Topology Bus Topology Star Topology Ring Topology 33 / 65 In which communication media, the data transfer rate is high? Twisted pair Microwave Co-axial cable Fiber optics 34 / 65 The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. IEEE OSI None ISO 35 / 65 In the OSI model, encryption and decryption are functions of the_________layer. session application transport presentation 36 / 65 An unauthorized user is a network _______ issue. reliability All of the above security performance 37 / 65 The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. data link network physical transport 38 / 65 Why was the OSI model developed? Standards were needed to allow any two systems to communicate manufacturers disliked the TCP/IP protocol suite The rate of data transfer was increasing exponentially None of the above 39 / 65 Select the perfect order of dada communication system or model. Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink 40 / 65 Which of the following is not a protocol? POP FTP NOS TCP/IP 41 / 65 Which of the following is a remote login service? All of the above Video conference Telnet FTP 42 / 65 Which one is an example of bound media Infrared transmission Fiber optic Microwave transmission Laser transmission 43 / 65 The_________ layer is responsible for moving frames from node to the next. None of these data link physical transport 44 / 65 The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Transport Data link Physical Network 45 / 65 What are the five elements of basic communication system? Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Software and Protocols Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Rules and Protocols 46 / 65 Which is not a guided media? Fiber Optic Satellite STP Cable UTP Cable 47 / 65 Which of the following statement in not true? Communication has become faster, reliable but expensive for data communications. All networks' components can be controlled by a single computer system. Computer resources such as hardware, software, data can be shared in a Network. Network security is the most challenging job for network administrator. 48 / 65 A_________________ is a set of rules that governs data communication. Forum portocol standard None of these 49 / 65 The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Physical Transport Session Data link 50 / 65 What does MAC stands for? Mandatory Access Control Media Accesses Control Micro Access Control Medic Access Certificate 51 / 65 ………….. is the technology that connects the machines and people within a site in a small area. None of these WAN MAN LAN 52 / 65 Frequency of failure and network recovery time after a failure are measures of the ________ of a network. reliability security feasibility performance 53 / 65 The OSI model consists of _______ layers. seven six five eight 54 / 65 In a digital data transmission of computer networking, what is Mbps? Mega Bands Per Second Media Bits Per Second Mega Bytes Per Second Mega Bits Per Second 55 / 65 What is the correct order of OSI reference model of a computer network from botttom to top? physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, session, presentation and application physical, datalink, network, transport, presentation, session, and application physical, datalink, network, transport, session, application and presentation 56 / 65 In which network topology, devices are connected through the hub? Star topology None of the above Ring topology Bus topology 57 / 65 Which topology is more reliable and secured for a LAN? Star Ring Bus Mesh 58 / 65 In a _______ connection, more than two devices can share a single link. Primary Point-to-point Secondary Multipoint 59 / 65 Which of the following is not a guided data communication media? Satellite Twisted pair Coaxial cable Fiber optic 60 / 65 In …….. Network Topology nodes are connected in a single wire Bus Mesh All Star 61 / 65 In client server network architecture, which statement is not true? Network controlling and management is easier. Secured and reliable network architecture It is less expensive architecture Data traffic is very high because of broad architecture 62 / 65 The ______ model shows how the network functions of a computer ought to be organized. OSI ANSI CCITT ISO 63 / 65 The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Session Presentation Data link Transport 64 / 65 Which is not unguided media? Microwave Infrared Fiber optic Radio wave 65 / 65 What is the maximum length of typical type of LAN? 3 KM 100KM 10 KM 1 KM Your score isThe average score is 73% 0% Restart quiz Post Views: 1,986