Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65E-mail is a/an......... None of the above Organization, which controls the Internet service of Internet protocol to access the Internet 2 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. None Port Physical Logical 3 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Application Layer Protocol None of these Transport Layer Protocol Internet Layer Protocol 4 / 65Which device is necessary to operate the Internet? ISP Modem All of the above CD-ROM 5 / 65Which is not related to Internet? WWW ISP TCP/IP UPS 6 / 65Why was the OSI model developed? manufacturers disliked the TCP/IP protocol suite None of the above The rate of data transfer was increasing exponentially Standards were needed to allow any two systems to communicate 7 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bytes Per Second Mega Bits Per Second Media Bits Per Second Mega Bands Per Second 8 / 65………….. is the technology that connects the machines and people within a site in a small area. MAN WAN None of these LAN 9 / 65Which of the following is a remote login service? Video conference Telnet All of the above FTP 10 / 65Which of the following is not a protocol? NOS TCP/IP FTP POP 11 / 65____ is a collection of point to point links that may form a circle. Mesh Topology Bus Topology Ring Topology Star Topology 12 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. data link network physical transport 13 / 65Give an example of full duplex mode of data communication. Internet Walkie-talkie Television FM Radio 14 / 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 15 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Network Transport Data link 16 / 65Which is not a guided media? UTP Cable STP Cable Satellite Fiber Optic 17 / 65What is the maximum length of typical type of LAN? 3 KM 1 KM 100KM 10 KM 18 / 65What is the basic characteristic of WAN? Simple and Mostly Public Simple and Mostly Private Complex and Mostly Public Complex and Mostly Private 19 / 65The session, presentation and application layers are the ________ support layers. network user None of the option both network and uers 20 / 65The physical, data link and network layers are the __________ support layers. both network and uers network user None of the option 21 / 65In client server network architecture, which statement is not true? It is less expensive architecture Data traffic is very high because of broad architecture Secured and reliable network architecture Network controlling and management is easier. 22 / 65Which one is an example of bound media Microwave transmission Fiber optic Infrared transmission Laser transmission 23 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. OSI None IEEE ISO 24 / 65The _____ layer enables the user to access the network Data link Application Physical Transport 25 / 65____________ is a network that connect sites that are in diverse locations. None of these LAN MAN WAN 26 / 65The ________ is the physical path over which a message travels. protocol signal medium None of these 27 / 65The________ layer is responsible for the delivery of message from one process to another. physical transport data link none of these 28 / 65A_________________ is a set of rules that governs data communication. Forum portocol standard None of these 29 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Physical Logical None of these Port 30 / 65Which one is not network topology? Ring Star Client Server BUS 31 / 65In which communication media, the data transfer rate is high? Microwave Twisted pair Fiber optics Co-axial cable 32 / 65Devices may be arranged in a _______ topology. Bus All of the options are correct Mesh Ring 33 / 65Which is not unguided media? Microwave Infrared Radio wave Fiber optic 34 / 65In a _______ connection, more than two devices can share a single link. Multipoint Secondary Primary Point-to-point 35 / 65In OSI model, what is the main function of the transport layer? synchronization updating and maintenance of routing tables node-to-node delivery process-to-process message delivery 36 / 65Which is not Communication Media? Satellite Wire NIC Microwave 37 / 65An unauthorized user is a network _______ issue. All of the above security performance reliability 38 / 65Which topology is more reliable and secured for a LAN? Bus Ring Star Mesh 39 / 65IPv6 has ________ -bit address. Variable 128 32 64 40 / 65Which is web browser software? All of the options Windows NT Internet explorer Windows 2007 41 / 65The information to be communicated in a data communications system is the __________ message medium transmission protocol 42 / 65Modem converts....... Sound signal to video Sound into digital Digital signal into sound None of the options are correct 43 / 65What is the correct order of OSI reference model of a computer network from botttom to top? physical, datalink, network, transport, presentation, session, and application physical, datalink, network, transport, session, application and presentation physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, session, presentation and application 44 / 65Each computer on the Internet has a unique numeric address called a/an... web address Domain address Network binding IP address 45 / 65In …….. Network Topology nodes are connected in a single wire Mesh Star All Bus 46 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Data link Presentation Session 47 / 65A computer network permits sharing of ...... None of these Resources Both Resources And Information Information 48 / 65The OSI model consists of _______ layers. five six eight seven 49 / 65Which of the following is not a guided data communication media? Satellite Coaxial cable Fiber optic Twisted pair 50 / 65In the OSI model, encryption and decryption are functions of the_________layer. transport session presentation application 51 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical data link transport network 52 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. performance reliability feasibility security 53 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. None of these MAN WAN LAN 54 / 65A television broadcast is an example _________ of transmission. Full-Duplex Simplex Half-duplex None of these 55 / 65Which is not an Internet service? e-mail e-telephone e-fax e-commerce 56 / 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. Communication has become faster, reliable but expensive for data communications. All networks' components can be controlled by a single computer system. 57 / 65Select the perfect order of dada communication system or model. Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink 58 / 65What does MAC stands for? Mandatory Access Control Micro Access Control Medic Access Certificate Media Accesses Control 59 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Session Transport Data link Physical 60 / 65In which network topology, devices are connected through the hub? None of the above Bus topology Star topology Ring topology 61 / 65The ______ model shows how the network functions of a computer ought to be organized. ANSI ISO CCITT OSI 62 / 65Which refers to the communication media? All of the given options UTP cable Fiber optic cable Satellite 63 / 65Communication between a computer and a keyboard involves ________ transmission. automatic half-duplex simplex full-duplex 64 / 65The_________ layer is responsible for moving frames from node to the next. data link None of these transport physical 65 / 65_________ is a collection of many separate networks. None of these A LAN A WAN An Internet Your score isThe average score is 67% 0% Restart quiz Post Views: 1,197