Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65 The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. data link transport physical network 2 / 65 In a digital data transmission of computer networking, what is Mbps? Mega Bands Per Second Mega Bits Per Second Media Bits Per Second Mega Bytes Per Second 3 / 65 The _____ layer enables the user to access the network Transport Physical Data link Application 4 / 65 The information to be communicated in a data communications system is the __________ transmission medium protocol message 5 / 65 The OSI model consists of _______ layers. five eight six seven 6 / 65 Which is web browser software? Internet explorer Windows 2007 All of the options Windows NT 7 / 65 Give an example of full duplex mode of data communication. FM Radio Television Walkie-talkie Internet 8 / 65 The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Presentation Data link Session 9 / 65 Which device is necessary to operate the Internet? Modem CD-ROM ISP All of the above 10 / 65 What is the basic characteristic of WAN? Complex and Mostly Public Simple and Mostly Public Simple and Mostly Private Complex and Mostly Private 11 / 65 A television broadcast is an example _________ of transmission. None of these Simplex Full-Duplex Half-duplex 12 / 65 ____ is a collection of point to point links that may form a circle. Bus Topology Mesh Topology Star Topology Ring Topology 13 / 65 A_________________ is a set of rules that governs data communication. None of these portocol Forum standard 14 / 65 Each computer on the Internet has a unique numeric address called a/an... IP address web address Domain address Network binding 15 / 65 The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Data link Physical Network Transport 16 / 65 Which is not Communication Media? Satellite Wire NIC Microwave 17 / 65 Which topology is more reliable and secured for a LAN? Star Mesh Bus Ring 18 / 65 The_________ layer is responsible for moving frames from node to the next. transport data link None of these physical 19 / 65 The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. ISO None IEEE OSI 20 / 65 The physical, data link and network layers are the __________ support layers. None of the option user both network and uers network 21 / 65 ____________ is a network that connect sites that are in diverse locations. LAN None of these MAN WAN 22 / 65 In client server network architecture, which statement is not true? It is less expensive architecture Network controlling and management is easier. Secured and reliable network architecture Data traffic is very high because of broad architecture 23 / 65 What are the five elements of basic communication system? Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Software and Protocols Data, Sender, Receiver, Medium and Message 24 / 65 E-mail is a/an......... protocol to access the Internet None of the above Organization, which controls the Internet service of Internet 25 / 65 What 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, network, transport, presentation, session, and application physical, datalink, transport, network, session, presentation and application 26 / 65 Which of the following is a remote login service? All of the above FTP Telnet Video conference 27 / 65 _________ is a collection of many separate networks. A WAN A LAN None of these An Internet 28 / 65 Which is not a guided media? UTP Cable STP Cable Satellite Fiber Optic 29 / 65 Which one is an example of bound media Infrared transmission Fiber optic Microwave transmission Laser transmission 30 / 65 In a _______ connection, more than two devices can share a single link. Point-to-point Multipoint Primary Secondary 31 / 65 Which refers to the communication media? All of the given options Fiber optic cable Satellite UTP cable 32 / 65 __________is a network that covers geographic areas that are larger, such as districts or cities. LAN None of these WAN MAN 33 / 65 IPv6 has ________ -bit address. 128 Variable 32 64 34 / 65 The ________ is the physical path over which a message travels. signal protocol None of these medium 35 / 65 An unauthorized user is a network _______ issue. performance security reliability All of the above 36 / 65 In OSI model, what is the main function of the transport layer? node-to-node delivery synchronization updating and maintenance of routing tables process-to-process message delivery 37 / 65 Modem converts....... Digital signal into sound Sound signal to video Sound into digital None of the options are correct 38 / 65 Devices may be arranged in a _______ topology. Mesh All of the options are correct Bus Ring 39 / 65 The________ layer is responsible for the delivery of message from one process to another. none of these transport data link physical 40 / 65 The ________ layer is responsible for delivering data units from one station to the next without errors. transport physical data link network 41 / 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 42 / 65 In which communication media, the data transfer rate is high? Microwave Fiber optics Co-axial cable Twisted pair 43 / 65 Which of the following is not a protocol? POP FTP TCP/IP NOS 44 / 65 The ______ model shows how the network functions of a computer ought to be organized. ISO OSI ANSI CCITT 45 / 65 In the OSI model, encryption and decryption are functions of the_________layer. session application transport presentation 46 / 65 A computer network permits sharing of ...... Information None of these Both Resources And Information Resources 47 / 65 When 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 48 / 65 Which 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 49 / 65 The session, presentation and application layers are the ________ support layers. user both network and uers network None of the option 50 / 65 Which is not related to Internet? TCP/IP ISP UPS WWW 51 / 65 ………….. is the technology that connects the machines and people within a site in a small area. LAN None of these WAN MAN 52 / 65 The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Physical Transport Session Data link 53 / 65 Which one is not network topology? Client Server BUS Ring Star 54 / 65 Why was the OSI model developed? The rate of data transfer was increasing exponentially manufacturers disliked the TCP/IP protocol suite Standards were needed to allow any two systems to communicate None of the above 55 / 65 Which is not unguided media? Radio wave Infrared Microwave Fiber optic 56 / 65 In which network topology, devices are connected through the hub? Bus topology Star topology None of the above Ring topology 57 / 65 What does MAC stands for? Micro Access Control Medic Access Certificate Media Accesses Control Mandatory Access Control 58 / 65 Which 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. 59 / 65 In …….. Network Topology nodes are connected in a single wire All Star Mesh Bus 60 / 65 Communication between a computer and a keyboard involves ________ transmission. full-duplex half-duplex simplex automatic 61 / 65 The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Port Logical None Physical 62 / 65 Frequency of failure and network recovery time after a failure are measures of the ________ of a network. performance feasibility security reliability 63 / 65 Which is not an Internet service? e-mail e-fax e-telephone e-commerce 64 / 65 What is the maximum length of typical type of LAN? 3 KM 100KM 10 KM 1 KM 65 / 65 Which of the following is not a guided data communication media? Coaxial cable Twisted pair Fiber optic Satellite Your score isThe average score is 58% 0% Restart quiz Post Views: 1,915