Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65What is the basic characteristic of WAN? Simple and Mostly Public Simple and Mostly Private Complex and Mostly Public Complex and Mostly Private 2 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. None of these Transport Layer Protocol Internet Layer Protocol Application Layer Protocol 3 / 65………….. is the technology that connects the machines and people within a site in a small area. LAN MAN None of these WAN 4 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Port Physical Logical None 5 / 65Devices may be arranged in a _______ topology. Bus All of the options are correct Ring Mesh 6 / 65Which is not a guided media? Satellite STP Cable Fiber Optic UTP Cable 7 / 65Which is not Communication Media? Satellite Wire Microwave NIC 8 / 65When a host on network A sends a message to a host on network B, which address does the router look at? None of these Physical Logical Port 9 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. None IEEE OSI ISO 10 / 65The________ layer is responsible for the delivery of message from one process to another. transport none of these data link physical 11 / 65In …….. Network Topology nodes are connected in a single wire Bus Mesh All Star 12 / 65Modem converts....... None of the options are correct Sound signal to video Sound into digital Digital signal into sound 13 / 65What are the five elements of basic communication system? Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Software and Protocols 14 / 65Why was the OSI model developed? None of the above The rate of data transfer was increasing exponentially manufacturers disliked the TCP/IP protocol suite Standards were needed to allow any two systems to communicate 15 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Transport Network Data link 16 / 65What does MAC stands for? Micro Access Control Media Accesses Control Medic Access Certificate Mandatory Access Control 17 / 65Which topology is more reliable and secured for a LAN? Bus Star Ring Mesh 18 / 65The ______ model shows how the network functions of a computer ought to be organized. ANSI OSI CCITT ISO 19 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. LAN None of these WAN MAN 20 / 65In which communication media, the data transfer rate is high? Fiber optics Microwave Co-axial cable Twisted pair 21 / 65The _____ layer enables the user to access the network Transport Application Physical Data link 22 / 65The physical, data link and network layers are the __________ support layers. user network None of the option both network and uers 23 / 65____ is a collection of point to point links that may form a circle. Star Topology Ring Topology Mesh Topology Bus Topology 24 / 65Which is not related to Internet? ISP TCP/IP UPS WWW 25 / 65Which is not an Internet service? e-mail e-fax e-commerce e-telephone 26 / 65Give an example of full duplex mode of data communication. Walkie-talkie Television Internet FM Radio 27 / 65A computer network permits sharing of ...... None of these Information Both Resources And Information Resources 28 / 65Which is web browser software? Windows NT Internet explorer Windows 2007 All of the options 29 / 65In the OSI model, encryption and decryption are functions of the_________layer. transport application presentation session 30 / 65The information to be communicated in a data communications system is the __________ medium transmission message protocol 31 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. performance security reliability feasibility 32 / 65Which 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. 33 / 65The_________ layer is responsible for moving frames from node to the next. physical data link None of these transport 34 / 65Which one is not network topology? Ring Star Client Server BUS 35 / 65A_________________ is a set of rules that governs data communication. portocol None of these Forum standard 36 / 65Which of the following is a remote login service? Telnet Video conference All of the above FTP 37 / 65In client server network architecture, which statement is not true? Data traffic is very high because of broad architecture Network controlling and management is easier. Secured and reliable network architecture It is less expensive architecture 38 / 65E-mail is a/an......... None of the above protocol to access the Internet service of Internet Organization, which controls the Internet 39 / 65Which refers to the communication media? All of the given options UTP cable Fiber optic cable Satellite 40 / 65Which is not unguided media? Fiber optic Microwave Infrared Radio wave 41 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. network data link transport physical 42 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Physical Data link Transport Session 43 / 65_________ is a collection of many separate networks. None of these A WAN An Internet A LAN 44 / 65The session, presentation and application layers are the ________ support layers. both network and uers user None of the option network 45 / 65Which one is an example of bound media Fiber optic Infrared transmission Microwave transmission Laser transmission 46 / 65The ________ is the physical path over which a message travels. medium protocol signal None of these 47 / 65In a _______ connection, more than two devices can share a single link. Primary Point-to-point Secondary Multipoint 48 / 65Which of the following is not a guided data communication media? Twisted pair Coaxial cable Fiber optic Satellite 49 / 65Communication between a computer and a keyboard involves ________ transmission. simplex full-duplex half-duplex automatic 50 / 65An unauthorized user is a network _______ issue. performance security All of the above reliability 51 / 65What is the correct order of OSI reference model of a computer network from botttom to top? physical, datalink, network, transport, session, presentation and application physical, datalink, network, transport, session, application and presentation physical, datalink, network, transport, presentation, session, and application physical, datalink, transport, network, session, presentation and application 52 / 65Which of the following is not a protocol? NOS TCP/IP POP FTP 53 / 65In which network topology, devices are connected through the hub? None of the above Bus topology Ring topology Star topology 54 / 65A television broadcast is an example _________ of transmission. None of these Full-Duplex Half-duplex Simplex 55 / 65____________ is a network that connect sites that are in diverse locations. WAN None of these MAN LAN 56 / 65Each computer on the Internet has a unique numeric address called a/an... IP address web address Network binding Domain address 57 / 65IPv6 has ________ -bit address. 32 128 Variable 64 58 / 65Which device is necessary to operate the Internet? CD-ROM ISP All of the above Modem 59 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Presentation Session Data link 60 / 65Select the perfect order of dada communication system or model. Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 61 / 65What is the maximum length of typical type of LAN? 3 KM 10 KM 1 KM 100KM 62 / 65In a digital data transmission of computer networking, what is Mbps? Media Bits Per Second Mega Bytes Per Second Mega Bits Per Second Mega Bands Per Second 63 / 65The OSI model consists of _______ layers. six eight five seven 64 / 65In OSI model, what is the main function of the transport layer? node-to-node delivery synchronization updating and maintenance of routing tables process-to-process message delivery 65 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. physical network data link transport Your score isThe average score is 0% 0% Restart quiz Post Views: 1,463