Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65The information to be communicated in a data communications system is the __________ protocol medium transmission message 2 / 65In which network topology, devices are connected through the hub? Bus topology Ring topology Star topology None of the above 3 / 65Which is not Communication Media? NIC Satellite Wire Microwave 4 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. feasibility performance reliability security 5 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Application Layer Protocol Internet Layer Protocol None of these Transport Layer Protocol 6 / 65What are the five elements of basic communication system? Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Rules and Protocols 7 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bytes Per Second Mega Bands Per Second Mega Bits Per Second Media Bits Per Second 8 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. LAN None of these WAN MAN 9 / 65The physical, data link and network layers are the __________ support layers. None of the option both network and uers user network 10 / 65Give an example of full duplex mode of data communication. FM Radio Walkie-talkie Internet Television 11 / 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, network, transport, session, presentation and application physical, datalink, transport, network, session, presentation and application 12 / 65In OSI model, what is the main function of the transport layer? updating and maintenance of routing tables process-to-process message delivery synchronization node-to-node delivery 13 / 65Select the perfect order of dada communication system or model. Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink 14 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Presentation Data link Session Transport 15 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. IEEE ISO OSI None 16 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Port Physical None of these Logical 17 / 65In the OSI model, encryption and decryption are functions of the_________layer. presentation session application transport 18 / 65In a _______ connection, more than two devices can share a single link. Multipoint Secondary Point-to-point Primary 19 / 65The session, presentation and application layers are the ________ support layers. None of the option network user both network and uers 20 / 65IPv6 has ________ -bit address. 32 Variable 128 64 21 / 65Why was the OSI model developed? None of the above 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 22 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Physical Transport Session Data link 23 / 65In which communication media, the data transfer rate is high? Fiber optics Microwave Twisted pair Co-axial cable 24 / 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. 25 / 65The _____ layer enables the user to access the network Application Physical Transport Data link 26 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Transport Data link Network Physical 27 / 65What is the basic characteristic of WAN? Complex and Mostly Public Simple and Mostly Private Simple and Mostly Public Complex and Mostly Private 28 / 65Which is web browser software? Windows NT All of the options Windows 2007 Internet explorer 29 / 65Which of the following is a remote login service? All of the above Video conference FTP Telnet 30 / 65The OSI model consists of _______ layers. six eight five seven 31 / 65Which of the following is not a protocol? FTP POP TCP/IP NOS 32 / 65An unauthorized user is a network _______ issue. All of the above reliability performance security 33 / 65Which is not related to Internet? TCP/IP UPS ISP WWW 34 / 65Each computer on the Internet has a unique numeric address called a/an... Network binding Domain address IP address web address 35 / 65The ______ model shows how the network functions of a computer ought to be organized. ISO OSI CCITT ANSI 36 / 65Which is not unguided media? Radio wave Microwave Infrared Fiber optic 37 / 65E-mail is a/an......... service of Internet Organization, which controls the Internet None of the above protocol to access the Internet 38 / 65Communication between a computer and a keyboard involves ________ transmission. full-duplex simplex half-duplex automatic 39 / 65Which is not a guided media? STP Cable UTP Cable Fiber Optic Satellite 40 / 65Devices may be arranged in a _______ topology. Ring All of the options are correct Bus Mesh 41 / 65Modem converts....... None of the options are correct Digital signal into sound Sound signal to video Sound into digital 42 / 65____________ is a network that connect sites that are in diverse locations. WAN None of these MAN LAN 43 / 65………….. is the technology that connects the machines and people within a site in a small area. LAN WAN None of these MAN 44 / 65A television broadcast is an example _________ of transmission. None of these Half-duplex Full-Duplex Simplex 45 / 65In …….. Network Topology nodes are connected in a single wire All Mesh Bus Star 46 / 65Which one is an example of bound media Fiber optic Laser transmission Microwave transmission Infrared transmission 47 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. network transport physical data link 48 / 65A_________________ is a set of rules that governs data communication. standard Forum portocol None of these 49 / 65Which one is not network topology? Client Server Ring BUS Star 50 / 65Which of the following is not a guided data communication media? Fiber optic Twisted pair Coaxial cable Satellite 51 / 65A computer network permits sharing of ...... None of these Information Both Resources And Information Resources 52 / 65____ is a collection of point to point links that may form a circle. Star Topology Mesh Topology Ring Topology Bus Topology 53 / 65Which device is necessary to operate the Internet? CD-ROM All of the above Modem ISP 54 / 65What does MAC stands for? Media Accesses Control Medic Access Certificate Mandatory Access Control Micro Access Control 55 / 65_________ is a collection of many separate networks. An Internet A LAN A WAN None of these 56 / 65The________ layer is responsible for the delivery of message from one process to another. transport none of these physical data link 57 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Logical Port Physical None 58 / 65Which topology is more reliable and secured for a LAN? Bus Star Mesh Ring 59 / 65Which is not an Internet service? e-commerce e-fax e-telephone e-mail 60 / 65What is the maximum length of typical type of LAN? 1 KM 10 KM 100KM 3 KM 61 / 65The_________ layer is responsible for moving frames from node to the next. physical data link transport None of these 62 / 65Which refers to the communication media? Satellite UTP cable All of the given options Fiber optic cable 63 / 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. 64 / 65The ________ is the physical path over which a message travels. protocol signal None of these medium 65 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. physical transport data link network Your score isThe average score is 0% 0% Restart quiz Post Views: 1,610