Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65An unauthorized user is a network _______ issue. All of the above performance reliability security 2 / 65In a _______ connection, more than two devices can share a single link. Multipoint Point-to-point Primary Secondary 3 / 65What is the maximum length of typical type of LAN? 10 KM 1 KM 3 KM 100KM 4 / 65Why was the OSI model developed? manufacturers disliked the TCP/IP protocol suite None of the above Standards were needed to allow any two systems to communicate The rate of data transfer was increasing exponentially 5 / 65Which topology is more reliable and secured for a LAN? Star Mesh Ring Bus 6 / 65_________ is a collection of many separate networks. None of these An Internet A LAN A WAN 7 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Port None Logical Physical 8 / 65The physical, data link and network layers are the __________ support layers. None of the option network both network and uers user 9 / 65Devices may be arranged in a _______ topology. Mesh Bus All of the options are correct Ring 10 / 65The ______ model shows how the network functions of a computer ought to be organized. OSI ANSI CCITT ISO 11 / 65Communication between a computer and a keyboard involves ________ transmission. automatic half-duplex simplex full-duplex 12 / 65………….. is the technology that connects the machines and people within a site in a small area. LAN WAN None of these MAN 13 / 65In the OSI model, encryption and decryption are functions of the_________layer. presentation application session transport 14 / 65The information to be communicated in a data communications system is the __________ transmission message protocol medium 15 / 65Which one is an example of bound media Fiber optic Microwave transmission Infrared transmission Laser transmission 16 / 65In which network topology, devices are connected through the hub? None of the above Ring topology Bus topology Star topology 17 / 65In which communication media, the data transfer rate is high? Twisted pair Co-axial cable Microwave Fiber optics 18 / 65What does MAC stands for? Micro Access Control Medic Access Certificate Media Accesses Control Mandatory Access Control 19 / 65A television broadcast is an example _________ of transmission. Full-Duplex Half-duplex None of these Simplex 20 / 65Which refers to the communication media? UTP cable Fiber optic cable All of the given options Satellite 21 / 65Modem converts....... Sound signal to video Digital signal into sound None of the options are correct Sound into digital 22 / 65____________ is a network that connect sites that are in diverse locations. MAN WAN None of these LAN 23 / 65IPv6 has ________ -bit address. 64 128 Variable 32 24 / 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, presentation, session, and application physical, datalink, network, transport, session, application and presentation physical, datalink, transport, network, session, presentation and application 25 / 65Which is not Communication Media? NIC Satellite Microwave Wire 26 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. None of these Application Layer Protocol Transport Layer Protocol Internet Layer Protocol 27 / 65The OSI model consists of _______ layers. eight five six seven 28 / 65The ________ is the physical path over which a message travels. None of these signal medium protocol 29 / 65Which is not an Internet service? e-telephone e-commerce e-fax e-mail 30 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Transport Physical Data link Session 31 / 65E-mail is a/an......... protocol to access the Internet Organization, which controls the Internet service of Internet None of the above 32 / 65The_________ layer is responsible for moving frames from node to the next. None of these data link physical transport 33 / 65Which of the following is not a protocol? TCP/IP POP FTP NOS 34 / 65The _____ layer enables the user to access the network Transport Application Physical Data link 35 / 65Select the perfect order of dada communication system or model. Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 36 / 65In OSI model, what is the main function of the transport layer? process-to-process message delivery updating and maintenance of routing tables node-to-node delivery synchronization 37 / 65Which is not a guided media? STP Cable UTP Cable Fiber Optic Satellite 38 / 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 39 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. security feasibility performance reliability 40 / 65In …….. Network Topology nodes are connected in a single wire Star All Bus Mesh 41 / 65____ is a collection of point to point links that may form a circle. Star Topology Bus Topology Ring Topology Mesh Topology 42 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. WAN LAN None of these MAN 43 / 65Which of the following is not a guided data communication media? Twisted pair Coaxial cable Satellite Fiber optic 44 / 65In 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 45 / 65Which of the following is a remote login service? Video conference All of the above Telnet FTP 46 / 65A computer network permits sharing of ...... Both Resources And Information Resources None of these Information 47 / 65Give an example of full duplex mode of data communication. FM Radio Television Walkie-talkie Internet 48 / 65Which one is not network topology? Star Ring BUS Client Server 49 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. None OSI IEEE ISO 50 / 65What are the five elements of basic communication system? Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Rules and Protocols Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Software and Protocols 51 / 65Which of the following statement in not true? Computer resources such as hardware, software, data can be shared in a Network. Network security is the most challenging job for network administrator. Communication has become faster, reliable but expensive for data communications. All networks' components can be controlled by a single computer system. 52 / 65The________ layer is responsible for the delivery of message from one process to another. data link physical none of these transport 53 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bands Per Second Mega Bytes Per Second Media Bits Per Second Mega Bits Per Second 54 / 65A_________________ is a set of rules that governs data communication. portocol standard None of these Forum 55 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Presentation Transport Data link Session 56 / 65Each computer on the Internet has a unique numeric address called a/an... Network binding IP address web address Domain address 57 / 65Which is not unguided media? Fiber optic Radio wave Microwave Infrared 58 / 65The session, presentation and application layers are the ________ support layers. user network both network and uers None of the option 59 / 65Which is web browser software? Windows 2007 All of the options Windows NT Internet explorer 60 / 65Which device is necessary to operate the Internet? Modem CD-ROM ISP All of the above 61 / 65What is the basic characteristic of WAN? Simple and Mostly Private Complex and Mostly Public Complex and Mostly Private Simple and Mostly Public 62 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. network data link physical transport 63 / 65Which is not related to Internet? TCP/IP WWW UPS ISP 64 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. transport network physical data link 65 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Transport Data link Physical Network Your score isThe average score is 0% 0% Restart quiz Post Views: 1,527