Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65 The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Transport Data link Physical Session 2 / 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, presentation and application physical, datalink, network, transport, session, application and presentation physical, datalink, transport, network, session, presentation and application 3 / 65 The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Port Physical Logical None 4 / 65 What is the basic characteristic of WAN? Simple and Mostly Public Complex and Mostly Private Complex and Mostly Public Simple and Mostly Private 5 / 65 Which is not an Internet service? e-commerce e-telephone e-mail e-fax 6 / 65 Which of the following is not a guided data communication media? Satellite Fiber optic Coaxial cable Twisted pair 7 / 65 Which of the following is a remote login service? Video conference FTP Telnet All of the above 8 / 65 The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. IEEE None OSI ISO 9 / 65 Modem converts....... Sound into digital None of the options are correct Digital signal into sound Sound signal to video 10 / 65 Communication between a computer and a keyboard involves ________ transmission. full-duplex simplex half-duplex automatic 11 / 65 The physical, data link and network layers are the __________ support layers. both network and uers None of the option user network 12 / 65 The_________ layer is responsible for moving frames from node to the next. data link physical None of these transport 13 / 65 __________is a network that covers geographic areas that are larger, such as districts or cities. None of these WAN MAN LAN 14 / 65 In OSI model, what is the main function of the transport layer? process-to-process message delivery node-to-node delivery updating and maintenance of routing tables synchronization 15 / 65 Which is not Communication Media? NIC Satellite Wire Microwave 16 / 65 The session, presentation and application layers are the ________ support layers. both network and uers None of the option network user 17 / 65 In the OSI model, encryption and decryption are functions of the_________layer. presentation application session transport 18 / 65 ____ is a collection of point to point links that may form a circle. Star Topology Mesh Topology Bus Topology Ring Topology 19 / 65 Which is web browser software? Windows 2007 Internet explorer All of the options Windows NT 20 / 65 Why was the OSI model developed? The rate of data transfer was increasing exponentially manufacturers disliked the TCP/IP protocol suite None of the above Standards were needed to allow any two systems to communicate 21 / 65 The________ layer is responsible for the delivery of message from one process to another. physical transport none of these data link 22 / 65 The ________ is the physical path over which a message travels. medium signal None of these protocol 23 / 65 Frequency of failure and network recovery time after a failure are measures of the ________ of a network. security performance feasibility reliability 24 / 65 Which one is not network topology? Client Server BUS Ring Star 25 / 65 Which topology is more reliable and secured for a LAN? Mesh Star Bus Ring 26 / 65 ____________ is a network that connect sites that are in diverse locations. WAN None of these LAN MAN 27 / 65 Which device is necessary to operate the Internet? Modem All of the above ISP CD-ROM 28 / 65 A television broadcast is an example _________ of transmission. None of these Full-Duplex Simplex Half-duplex 29 / 65 Which is not unguided media? Microwave Radio wave Infrared Fiber optic 30 / 65 Give an example of full duplex mode of data communication. Television Internet FM Radio Walkie-talkie 31 / 65 In 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 32 / 65 The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Data link Transport Network Physical 33 / 65 Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Application Layer Protocol Transport Layer Protocol Internet Layer Protocol None of these 34 / 65 ………….. is the technology that connects the machines and people within a site in a small area. LAN None of these MAN WAN 35 / 65 The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Presentation Data link Transport Session 36 / 65 When a host on network A sends a message to a host on network B, which address does the router look at? Port None of these Logical Physical 37 / 65 Each computer on the Internet has a unique numeric address called a/an... Network binding IP address web address Domain address 38 / 65 Which is not a guided media? Fiber Optic STP Cable UTP Cable Satellite 39 / 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. All networks' components can be controlled by a single computer system. Network security is the most challenging job for network administrator. 40 / 65 _________ is a collection of many separate networks. None of these An Internet A LAN A WAN 41 / 65 The OSI model consists of _______ layers. eight seven five six 42 / 65 An unauthorized user is a network _______ issue. security All of the above performance reliability 43 / 65 The ________ layer is responsible for delivering data units from one station to the next without errors. data link network physical transport 44 / 65 Which one is an example of bound media Microwave transmission Infrared transmission Fiber optic Laser transmission 45 / 65 In which communication media, the data transfer rate is high? Fiber optics Co-axial cable Microwave Twisted pair 46 / 65 Which refers to the communication media? All of the given options UTP cable Satellite Fiber optic cable 47 / 65 Which is not related to Internet? TCP/IP ISP WWW UPS 48 / 65 The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical network data link transport 49 / 65 Which of the following is not a protocol? FTP TCP/IP NOS POP 50 / 65 The information to be communicated in a data communications system is the __________ transmission medium message protocol 51 / 65 A_________________ is a set of rules that governs data communication. standard Forum None of these portocol 52 / 65 The _____ layer enables the user to access the network Transport Application Physical Data link 53 / 65 What does MAC stands for? Mandatory Access Control Medic Access Certificate Micro Access Control Media Accesses Control 54 / 65 Devices may be arranged in a _______ topology. All of the options are correct Mesh Bus Ring 55 / 65 A computer network permits sharing of ...... Resources None of these Information Both Resources And Information 56 / 65 In a _______ connection, more than two devices can share a single link. Primary Secondary Point-to-point Multipoint 57 / 65 In …….. Network Topology nodes are connected in a single wire All Bus Star Mesh 58 / 65 What is the maximum length of typical type of LAN? 1 KM 10 KM 100KM 3 KM 59 / 65 IPv6 has ________ -bit address. Variable 64 32 128 60 / 65 What are the five elements of basic communication system? Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Medium and Protocols Data, Sender, Receiver, Medium and Message 61 / 65 The ______ model shows how the network functions of a computer ought to be organized. CCITT ANSI ISO OSI 62 / 65 In client server network architecture, which statement is not true? It is less expensive architecture Network controlling and management is easier. Data traffic is very high because of broad architecture Secured and reliable network architecture 63 / 65 In which network topology, devices are connected through the hub? Bus topology None of the above Ring topology Star topology 64 / 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 65 / 65 E-mail is a/an......... service of Internet None of the above Organization, which controls the Internet protocol to access the Internet Your score isThe average score is 74% 0% Restart quiz Post Views: 2,026