Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65 Frequency of failure and network recovery time after a failure are measures of the ________ of a network. reliability performance security feasibility 2 / 65 Which one is an example of bound media Fiber optic Laser transmission Microwave transmission Infrared transmission 3 / 65 Which is not an Internet service? e-commerce e-mail e-fax e-telephone 4 / 65 IPv6 has ________ -bit address. Variable 128 32 64 5 / 65 The physical, data link and network layers are the __________ support layers. None of the option network user both network and uers 6 / 65 An unauthorized user is a network _______ issue. reliability performance security All of the above 7 / 65 What 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 8 / 65 Which one is not network topology? Client Server BUS Ring Star 9 / 65 Which is web browser software? Windows 2007 All of the options Windows NT Internet explorer 10 / 65 ____ is a collection of point to point links that may form a circle. Mesh Topology Bus Topology Star Topology Ring Topology 11 / 65 E-mail is a/an......... Organization, which controls the Internet None of the above protocol to access the Internet service of Internet 12 / 65 Modem converts....... Sound into digital Digital signal into sound None of the options are correct Sound signal to video 13 / 65 The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Session Data link Physical Transport 14 / 65 Select the perfect order of dada communication system or model. Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 15 / 65 What is the basic characteristic of WAN? Complex and Mostly Private Simple and Mostly Private Simple and Mostly Public Complex and Mostly Public 16 / 65 Which topology is more reliable and secured for a LAN? Mesh Ring Bus Star 17 / 65 What is the maximum length of typical type of LAN? 1 KM 100KM 10 KM 3 KM 18 / 65 In the OSI model, encryption and decryption are functions of the_________layer. transport presentation session application 19 / 65 The ________ layer is responsible for delivering data units from one station to the next without errors. data link transport physical network 20 / 65 In a _______ connection, more than two devices can share a single link. Point-to-point Multipoint Primary Secondary 21 / 65 In OSI model, what is the main function of the transport layer? node-to-node delivery updating and maintenance of routing tables synchronization process-to-process message delivery 22 / 65 The _____ layer enables the user to access the network Physical Application Transport Data link 23 / 65 In 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 24 / 65 Communication between a computer and a keyboard involves ________ transmission. automatic full-duplex simplex half-duplex 25 / 65 Which of the following is not a guided data communication media? Twisted pair Fiber optic Coaxial cable Satellite 26 / 65 Which of the following is not a protocol? NOS POP TCP/IP FTP 27 / 65 In …….. Network Topology nodes are connected in a single wire Bus Star All Mesh 28 / 65 Which of the following is a remote login service? All of the above FTP Telnet Video conference 29 / 65 ………….. is the technology that connects the machines and people within a site in a small area. MAN None of these WAN LAN 30 / 65 In which communication media, the data transfer rate is high? Twisted pair Fiber optics Microwave Co-axial cable 31 / 65 The information to be communicated in a data communications system is the __________ protocol medium transmission message 32 / 65 What 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 33 / 65 The ______ model shows how the network functions of a computer ought to be organized. OSI ANSI CCITT ISO 34 / 65 What does MAC stands for? Medic Access Certificate Mandatory Access Control Media Accesses Control Micro Access Control 35 / 65 Which device is necessary to operate the Internet? CD-ROM Modem ISP All of the above 36 / 65 Each computer on the Internet has a unique numeric address called a/an... Network binding Domain address IP address web address 37 / 65 Which refers to the communication media? Fiber optic cable UTP cable All of the given options Satellite 38 / 65 The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. None IEEE ISO OSI 39 / 65 __________is a network that covers geographic areas that are larger, such as districts or cities. WAN LAN None of these MAN 40 / 65 Why was the OSI model developed? The rate of data transfer was increasing exponentially Standards were needed to allow any two systems to communicate manufacturers disliked the TCP/IP protocol suite None of the above 41 / 65 ____________ is a network that connect sites that are in diverse locations. None of these WAN MAN LAN 42 / 65 Give an example of full duplex mode of data communication. Television Walkie-talkie FM Radio Internet 43 / 65 The OSI model consists of _______ layers. six eight seven five 44 / 65 The ________ is the physical path over which a message travels. None of these signal medium protocol 45 / 65 Which is not Communication Media? Satellite Microwave NIC Wire 46 / 65 In which network topology, devices are connected through the hub? Star topology None of the above Ring topology Bus topology 47 / 65 Which is not a guided media? Satellite STP Cable Fiber Optic UTP Cable 48 / 65 Which is not related to Internet? ISP WWW TCP/IP UPS 49 / 65 In client server network architecture, which statement is not true? Data traffic is very high because of broad architecture Secured and reliable network architecture It is less expensive architecture Network controlling and management is easier. 50 / 65 The_________ layer is responsible for moving frames from node to the next. transport data link None of these physical 51 / 65 Which of the following statement in not true? Communication has become faster, reliable but expensive for data communications. Computer resources such as hardware, software, data can be shared in a Network. Network security is the most challenging job for network administrator. All networks' components can be controlled by a single computer system. 52 / 65 A computer network permits sharing of ...... Both Resources And Information Resources Information None of these 53 / 65 The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Transport Data link Network Physical 54 / 65 When a host on network A sends a message to a host on network B, which address does the router look at? Logical Physical Port None of these 55 / 65 The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Logical Physical None Port 56 / 65 _________ is a collection of many separate networks. A LAN A WAN An Internet None of these 57 / 65 The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Data link Presentation Session 58 / 65 Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. None of these Application Layer Protocol Internet Layer Protocol Transport Layer Protocol 59 / 65 The________ layer is responsible for the delivery of message from one process to another. data link none of these transport physical 60 / 65 The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical network data link transport 61 / 65 A television broadcast is an example _________ of transmission. Half-duplex Simplex None of these Full-Duplex 62 / 65 Which is not unguided media? Fiber optic Radio wave Microwave Infrared 63 / 65 Devices may be arranged in a _______ topology. Bus Mesh Ring All of the options are correct 64 / 65 The session, presentation and application layers are the ________ support layers. user None of the option network both network and uers 65 / 65 A_________________ is a set of rules that governs data communication. None of these Forum portocol standard Your score isThe average score is 58% 0% Restart quiz Post Views: 1,863