Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65The_________ layer is responsible for moving frames from node to the next. None of these physical transport data link 2 / 65IPv6 has ________ -bit address. 32 Variable 64 128 3 / 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, Transmitter, Receiver, Channel, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink 4 / 65The session, presentation and application layers are the ________ support layers. network user both network and uers None of the option 5 / 65The information to be communicated in a data communications system is the __________ message medium transmission protocol 6 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. ISO IEEE OSI None 7 / 65What are the five elements of basic communication system? Message, Sender, Receiver, Medium and Protocols Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Software and Protocols 8 / 65Which one is not network topology? Star Ring BUS Client Server 9 / 65The________ layer is responsible for the delivery of message from one process to another. transport physical none of these data link 10 / 65Which is not unguided media? Infrared Radio wave Microwave Fiber optic 11 / 65The physical, data link and network layers are the __________ support layers. network user None of the option both network and uers 12 / 65An unauthorized user is a network _______ issue. reliability performance security All of the above 13 / 65In …….. Network Topology nodes are connected in a single wire Bus All Mesh Star 14 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Data link Session Transport Physical 15 / 65In client server network architecture, which statement is not true? Secured and reliable network architecture It is less expensive architecture Network controlling and management is easier. Data traffic is very high because of broad architecture 16 / 65A computer network permits sharing of ...... Both Resources And Information Information None of these Resources 17 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. MAN WAN LAN None of these 18 / 65In a digital data transmission of computer networking, what is Mbps? Media Bits Per Second Mega Bands Per Second Mega Bytes Per Second Mega Bits Per Second 19 / 65In which network topology, devices are connected through the hub? None of the above Bus topology Ring topology Star topology 20 / 65Which topology is more reliable and secured for a LAN? Bus Star Ring Mesh 21 / 65Which of the following statement in not true? All networks' components can be controlled by a single computer system. Communication has become faster, reliable but expensive for data communications. Network security is the most challenging job for network administrator. Computer resources such as hardware, software, data can be shared in a Network. 22 / 65Communication between a computer and a keyboard involves ________ transmission. half-duplex full-duplex simplex automatic 23 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Data link Network Transport Physical 24 / 65The OSI model consists of _______ layers. five seven eight six 25 / 65A television broadcast is an example _________ of transmission. Full-Duplex Simplex Half-duplex None of these 26 / 65Which device is necessary to operate the Internet? ISP CD-ROM All of the above Modem 27 / 65_________ is a collection of many separate networks. A WAN An Internet None of these A LAN 28 / 65A_________________ is a set of rules that governs data communication. Forum portocol standard None of these 29 / 65In a _______ connection, more than two devices can share a single link. Primary Secondary Multipoint Point-to-point 30 / 65Why was the OSI model developed? The rate of data transfer was increasing exponentially None of the above Standards were needed to allow any two systems to communicate manufacturers disliked the TCP/IP protocol suite 31 / 65………….. is the technology that connects the machines and people within a site in a small area. MAN LAN WAN None of these 32 / 65What does MAC stands for? Micro Access Control Medic Access Certificate Mandatory Access Control Media Accesses Control 33 / 65Which is not Communication Media? Wire Satellite NIC Microwave 34 / 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 35 / 65Which is not related to Internet? UPS WWW ISP TCP/IP 36 / 65Which of the following is not a guided data communication media? Satellite Coaxial cable Fiber optic Twisted pair 37 / 65Which is web browser software? All of the options Internet explorer Windows 2007 Windows NT 38 / 65Which of the following is not a protocol? FTP NOS TCP/IP POP 39 / 65Which one is an example of bound media Microwave transmission Fiber optic Infrared transmission Laser transmission 40 / 65Which of the following is a remote login service? FTP Telnet All of the above Video conference 41 / 65Which is not an Internet service? e-mail e-fax e-telephone e-commerce 42 / 65Which refers to the communication media? All of the given options Fiber optic cable UTP cable Satellite 43 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Internet Layer Protocol Transport Layer Protocol None of these Application Layer Protocol 44 / 65What is the basic characteristic of WAN? Simple and Mostly Private Complex and Mostly Private Complex and Mostly Public Simple and Mostly Public 45 / 65In OSI model, what is the main function of the transport layer? synchronization node-to-node delivery process-to-process message delivery updating and maintenance of routing tables 46 / 65The ________ is the physical path over which a message travels. protocol signal medium None of these 47 / 65What is the maximum length of typical type of LAN? 100KM 3 KM 10 KM 1 KM 48 / 65In the OSI model, encryption and decryption are functions of the_________layer. transport presentation session application 49 / 65The ______ model shows how the network functions of a computer ought to be organized. OSI ANSI CCITT ISO 50 / 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 51 / 65The _____ layer enables the user to access the network Application Physical Data link Transport 52 / 65Give an example of full duplex mode of data communication. Television FM Radio Internet Walkie-talkie 53 / 65Devices may be arranged in a _______ topology. Mesh Ring All of the options are correct Bus 54 / 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, session, presentation and application physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, presentation, session, and application 55 / 65____ is a collection of point to point links that may form a circle. Ring Topology Bus Topology Mesh Topology Star Topology 56 / 65E-mail is a/an......... None of the above service of Internet protocol to access the Internet Organization, which controls the Internet 57 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. transport physical network data link 58 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. physical data link transport network 59 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Session Data link Transport Presentation 60 / 65In which communication media, the data transfer rate is high? Twisted pair Co-axial cable Fiber optics Microwave 61 / 65Modem converts....... None of the options are correct Sound into digital Digital signal into sound Sound signal to video 62 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. performance feasibility security reliability 63 / 65____________ is a network that connect sites that are in diverse locations. MAN LAN None of these WAN 64 / 65Each computer on the Internet has a unique numeric address called a/an... Network binding Domain address web address IP address 65 / 65Which is not a guided media? STP Cable Fiber Optic Satellite UTP Cable Your score isThe average score is 67% 0% Restart quiz Post Views: 1,251