Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Transport Data link Network 2 / 65The ________ is the physical path over which a message travels. medium signal protocol None of these 3 / 65What is the basic characteristic of WAN? Simple and Mostly Private Complex and Mostly Private Complex and Mostly Public Simple and Mostly Public 4 / 65Which of the following is a remote login service? Video conference Telnet FTP All of the above 5 / 65Which topology is more reliable and secured for a LAN? Star Mesh Bus Ring 6 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. reliability performance security feasibility 7 / 65Which is not Communication Media? Satellite Wire NIC Microwave 8 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Session Data link Transport Physical 9 / 65In …….. Network Topology nodes are connected in a single wire All Mesh Bus Star 10 / 65Modem converts....... Sound signal to video Sound into digital Digital signal into sound None of the options are correct 11 / 65____________ is a network that connect sites that are in diverse locations. LAN WAN None of these MAN 12 / 65Which of the following is not a guided data communication media? Coaxial cable Twisted pair Satellite Fiber optic 13 / 65In which network topology, devices are connected through the hub? Ring topology Star topology Bus topology None of the above 14 / 65The OSI model consists of _______ layers. five eight seven six 15 / 65A_________________ is a set of rules that governs data communication. Forum portocol None of these standard 16 / 65In the OSI model, encryption and decryption are functions of the_________layer. transport session application presentation 17 / 65The physical, data link and network layers are the __________ support layers. network both network and uers user None of the option 18 / 65In which communication media, the data transfer rate is high? Microwave Twisted pair Fiber optics Co-axial cable 19 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Session Data link Presentation Transport 20 / 65IPv6 has ________ -bit address. 128 32 Variable 64 21 / 65Which of the following is not a protocol? POP TCP/IP NOS FTP 22 / 65Which one is an example of bound media Microwave transmission Fiber optic Infrared transmission Laser transmission 23 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. LAN MAN WAN None of these 24 / 65The information to be communicated in a data communications system is the __________ medium protocol transmission message 25 / 65Which is not unguided media? Radio wave Fiber optic Microwave Infrared 26 / 65What 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, presentation, session, and application physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, session, presentation and application 27 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical data link network transport 28 / 65Which is not a guided media? UTP Cable Satellite STP Cable Fiber Optic 29 / 65The_________ layer is responsible for moving frames from node to the next. data link None of these transport physical 30 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Internet Layer Protocol Application Layer Protocol Transport Layer Protocol None of these 31 / 65A television broadcast is an example _________ of transmission. Full-Duplex Simplex Half-duplex None of these 32 / 65Which of the following statement in not true? Network security is the most challenging job for network administrator. Computer resources such as hardware, software, data can be shared in a Network. All networks' components can be controlled by a single computer system. Communication has become faster, reliable but expensive for data communications. 33 / 65The ______ model shows how the network functions of a computer ought to be organized. OSI ISO CCITT ANSI 34 / 65The________ layer is responsible for the delivery of message from one process to another. data link none of these transport physical 35 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. OSI ISO IEEE None 36 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. data link network transport physical 37 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Logical Port None of these Physical 38 / 65Each computer on the Internet has a unique numeric address called a/an... IP address Domain address web address Network binding 39 / 65_________ is a collection of many separate networks. An Internet None of these A WAN A LAN 40 / 65An unauthorized user is a network _______ issue. reliability performance security All of the above 41 / 65E-mail is a/an......... Organization, which controls the Internet protocol to access the Internet None of the above service of Internet 42 / 65………….. is the technology that connects the machines and people within a site in a small area. MAN WAN None of these LAN 43 / 65____ is a collection of point to point links that may form a circle. Mesh Topology Ring Topology Bus Topology Star Topology 44 / 65A computer network permits sharing of ...... Both Resources And Information None of these Resources Information 45 / 65In client server network architecture, which statement is not true? Network controlling and management is easier. Data traffic is very high because of broad architecture Secured and reliable network architecture It is less expensive architecture 46 / 65The _____ layer enables the user to access the network Data link Application Transport Physical 47 / 65Select the perfect order of dada communication system or model. Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 48 / 65In OSI model, what is the main function of the transport layer? updating and maintenance of routing tables node-to-node delivery synchronization process-to-process message delivery 49 / 65Devices may be arranged in a _______ topology. Mesh Bus All of the options are correct Ring 50 / 65Which is web browser software? All of the options Windows 2007 Internet explorer Windows NT 51 / 65Which is not related to Internet? UPS ISP TCP/IP WWW 52 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Logical Physical Port None 53 / 65What are the five elements of basic communication system? Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Software and Protocols Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Medium and Protocols 54 / 65What is the maximum length of typical type of LAN? 10 KM 100KM 3 KM 1 KM 55 / 65Which device is necessary to operate the Internet? CD-ROM ISP All of the above Modem 56 / 65Which is not an Internet service? e-fax e-mail e-commerce e-telephone 57 / 65Give an example of full duplex mode of data communication. Walkie-talkie Internet Television FM Radio 58 / 65Why was the OSI model developed? None of the above manufacturers disliked the TCP/IP protocol suite Standards were needed to allow any two systems to communicate The rate of data transfer was increasing exponentially 59 / 65What does MAC stands for? Micro Access Control Media Accesses Control Medic Access Certificate Mandatory Access Control 60 / 65Which one is not network topology? Ring Star Client Server BUS 61 / 65Which refers to the communication media? Satellite UTP cable All of the given options Fiber optic cable 62 / 65In a _______ connection, more than two devices can share a single link. Multipoint Secondary Primary Point-to-point 63 / 65The session, presentation and application layers are the ________ support layers. user network None of the option both network and uers 64 / 65Communication between a computer and a keyboard involves ________ transmission. half-duplex simplex full-duplex automatic 65 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bits Per Second Media Bits Per Second Mega Bytes Per Second Mega Bands Per Second Your score isThe average score is 0% 0% Restart quiz Post Views: 1,692