Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65 What are the five elements of basic communication system? Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Medium and Protocols Data, Sender, Receiver, Medium and Message 2 / 65 Which is not an Internet service? e-mail e-telephone e-commerce e-fax 3 / 65 ____ is a collection of point to point links that may form a circle. Mesh Topology Star Topology Ring Topology Bus Topology 4 / 65 The ______ model shows how the network functions of a computer ought to be organized. ISO OSI ANSI CCITT 5 / 65 The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. None ISO IEEE OSI 6 / 65 The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Data link Presentation Session 7 / 65 Which is not related to Internet? WWW UPS TCP/IP ISP 8 / 65 What does MAC stands for? Mandatory Access Control Medic Access Certificate Micro Access Control Media Accesses Control 9 / 65 The ________ layer is responsible for delivering data units from one station to the next without errors. data link physical network transport 10 / 65 A_________________ is a set of rules that governs data communication. None of these portocol standard Forum 11 / 65 Which of the following statement in not true? Computer resources such as hardware, software, data can be shared in a Network. 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. 12 / 65 In which network topology, devices are connected through the hub? Ring topology Star topology Bus topology None of the above 13 / 65 The OSI model consists of _______ layers. eight seven five six 14 / 65 In client server network architecture, which statement is not true? Data traffic is very high because of broad architecture Network controlling and management is easier. Secured and reliable network architecture It is less expensive architecture 15 / 65 Which is not Communication Media? NIC Wire Satellite Microwave 16 / 65 Which of the following is a remote login service? All of the above FTP Telnet Video conference 17 / 65 ………….. is the technology that connects the machines and people within a site in a small area. LAN WAN MAN None of these 18 / 65 What is the basic characteristic of WAN? Simple and Mostly Private Complex and Mostly Private Simple and Mostly Public Complex and Mostly Public 19 / 65 What is the correct order of OSI reference model of a computer network from botttom to top? physical, datalink, network, transport, presentation, session, and application physical, datalink, network, transport, session, application and presentation physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, session, presentation and application 20 / 65 In a _______ connection, more than two devices can share a single link. Multipoint Secondary Primary Point-to-point 21 / 65 Which is web browser software? All of the options Windows NT Windows 2007 Internet explorer 22 / 65 Which topology is more reliable and secured for a LAN? Mesh Bus Star Ring 23 / 65 IPv6 has ________ -bit address. 32 Variable 128 64 24 / 65 Which is not unguided media? Microwave Infrared Fiber optic Radio wave 25 / 65 Select the perfect order of dada communication system or model. Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink 26 / 65 The session, presentation and application layers are the ________ support layers. user network both network and uers None of the option 27 / 65 The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Physical Data link Transport Session 28 / 65 A television broadcast is an example _________ of transmission. Full-Duplex None of these Half-duplex Simplex 29 / 65 An unauthorized user is a network _______ issue. reliability security performance All of the above 30 / 65 Devices may be arranged in a _______ topology. Mesh Ring Bus All of the options are correct 31 / 65 Which one is not network topology? Ring Client Server BUS Star 32 / 65 __________is a network that covers geographic areas that are larger, such as districts or cities. MAN LAN None of these WAN 33 / 65 The ________ is the physical path over which a message travels. protocol medium signal None of these 34 / 65 Give an example of full duplex mode of data communication. Television Internet Walkie-talkie FM Radio 35 / 65 The information to be communicated in a data communications system is the __________ transmission medium message protocol 36 / 65 When a host on network A sends a message to a host on network B, which address does the router look at? Physical None of these Logical Port 37 / 65 The_________ layer is responsible for moving frames from node to the next. transport physical None of these data link 38 / 65 In the OSI model, encryption and decryption are functions of the_________layer. application presentation session transport 39 / 65 The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical network data link transport 40 / 65 Which one is an example of bound media Infrared transmission Fiber optic Microwave transmission Laser transmission 41 / 65 In …….. Network Topology nodes are connected in a single wire Mesh Bus Star All 42 / 65 What is the maximum length of typical type of LAN? 3 KM 1 KM 100KM 10 KM 43 / 65 In 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 44 / 65 Each computer on the Internet has a unique numeric address called a/an... IP address Network binding web address Domain address 45 / 65 Which device is necessary to operate the Internet? Modem CD-ROM ISP All of the above 46 / 65 Why was the OSI model developed? Standards were needed to allow any two systems to communicate The rate of data transfer was increasing exponentially manufacturers disliked the TCP/IP protocol suite None of the above 47 / 65 In a digital data transmission of computer networking, what is Mbps? Media Bits Per Second Mega Bytes Per Second Mega Bands Per Second Mega Bits Per Second 48 / 65 The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Port None Physical Logical 49 / 65 Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Internet Layer Protocol Application Layer Protocol Transport Layer Protocol None of these 50 / 65 E-mail is a/an......... service of Internet Organization, which controls the Internet None of the above protocol to access the Internet 51 / 65 _________ is a collection of many separate networks. A WAN A LAN None of these An Internet 52 / 65 The _____ layer enables the user to access the network Data link Physical Transport Application 53 / 65 A computer network permits sharing of ...... None of these Information Both Resources And Information Resources 54 / 65 Modem converts....... Sound signal to video Sound into digital None of the options are correct Digital signal into sound 55 / 65 The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Transport Data link Physical Network 56 / 65 The physical, data link and network layers are the __________ support layers. None of the option user both network and uers network 57 / 65 Which is not a guided media? Fiber Optic UTP Cable STP Cable Satellite 58 / 65 Which refers to the communication media? Satellite All of the given options UTP cable Fiber optic cable 59 / 65 The________ layer is responsible for the delivery of message from one process to another. none of these transport physical data link 60 / 65 Communication between a computer and a keyboard involves ________ transmission. full-duplex simplex half-duplex automatic 61 / 65 ____________ is a network that connect sites that are in diverse locations. LAN MAN None of these WAN 62 / 65 In which communication media, the data transfer rate is high? Fiber optics Twisted pair Microwave Co-axial cable 63 / 65 Which of the following is not a protocol? TCP/IP FTP NOS POP 64 / 65 Frequency of failure and network recovery time after a failure are measures of the ________ of a network. feasibility security performance reliability 65 / 65 Which of the following is not a guided data communication media? Twisted pair Satellite Fiber optic Coaxial cable Your score isThe average score is 58% 0% Restart quiz Post Views: 1,887