Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65Each computer on the Internet has a unique numeric address called a/an... web address IP address Domain address Network binding 2 / 65The________ layer is responsible for the delivery of message from one process to another. physical none of these data link transport 3 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Transport Network Physical Data link 4 / 65Communication between a computer and a keyboard involves ________ transmission. automatic half-duplex simplex full-duplex 5 / 65What is the basic characteristic of WAN? Simple and Mostly Public Complex and Mostly Private Complex and Mostly Public Simple and Mostly Private 6 / 65A computer network permits sharing of ...... None of these Resources Information Both Resources And Information 7 / 65_________ is a collection of many separate networks. An Internet A LAN None of these A WAN 8 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. None of these WAN LAN MAN 9 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. transport network data link physical 10 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Application Layer Protocol Transport Layer Protocol None of these Internet Layer Protocol 11 / 65………….. is the technology that connects the machines and people within a site in a small area. MAN None of these LAN WAN 12 / 65The _____ layer enables the user to access the network Application Physical Data link Transport 13 / 65IPv6 has ________ -bit address. Variable 64 32 128 14 / 65Which is web browser software? Internet explorer Windows 2007 Windows NT All of the options 15 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Physical Port None of these Logical 16 / 65Which of the following statement in not true? Network security is the most challenging job for network administrator. All networks' components can be controlled by a single computer system. Computer resources such as hardware, software, data can be shared in a Network. Communication has become faster, reliable but expensive for data communications. 17 / 65Which one is not network topology? Client Server Ring Star BUS 18 / 65What does MAC stands for? Medic Access Certificate Mandatory Access Control Media Accesses Control Micro Access Control 19 / 65An unauthorized user is a network _______ issue. All of the above reliability performance security 20 / 65Which is not an Internet service? e-mail e-fax e-commerce e-telephone 21 / 65Which is not Communication Media? Satellite NIC Wire Microwave 22 / 65Give an example of full duplex mode of data communication. Walkie-talkie Television FM Radio Internet 23 / 65The information to be communicated in a data communications system is the __________ medium transmission message protocol 24 / 65What 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 25 / 65Which device is necessary to operate the Internet? Modem CD-ROM All of the above ISP 26 / 65A_________________ is a set of rules that governs data communication. None of these portocol standard Forum 27 / 65In …….. Network Topology nodes are connected in a single wire All Bus Star Mesh 28 / 65The session, presentation and application layers are the ________ support layers. network user both network and uers None of the option 29 / 65A television broadcast is an example _________ of transmission. None of these Simplex Half-duplex Full-Duplex 30 / 65Which of the following is not a guided data communication media? Twisted pair Fiber optic Satellite Coaxial cable 31 / 65What is the maximum length of typical type of LAN? 1 KM 10 KM 100KM 3 KM 32 / 65Select the perfect order of dada communication system or model. Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink 33 / 65The ________ is the physical path over which a message travels. medium None of these protocol signal 34 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Logical None Port Physical 35 / 65In which communication media, the data transfer rate is high? Fiber optics Microwave Twisted pair Co-axial cable 36 / 65The ______ model shows how the network functions of a computer ought to be organized. CCITT ISO ANSI OSI 37 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bits Per Second Mega Bands Per Second Mega Bytes Per Second Media Bits Per Second 38 / 65The physical, data link and network layers are the __________ support layers. network None of the option user both network and uers 39 / 65In client server network architecture, which statement is not true? Data traffic is very high because of broad architecture Secured and reliable network architecture Network controlling and management is easier. It is less expensive architecture 40 / 65Modem converts....... None of the options are correct Sound signal to video Sound into digital Digital signal into sound 41 / 65In a _______ connection, more than two devices can share a single link. Primary Point-to-point Secondary Multipoint 42 / 65The_________ layer is responsible for moving frames from node to the next. transport physical None of these data link 43 / 65In which network topology, devices are connected through the hub? Ring topology Star topology Bus topology None of the above 44 / 65Which is not unguided media? Infrared Microwave Radio wave Fiber optic 45 / 65E-mail is a/an......... service of Internet None of the above protocol to access the Internet Organization, which controls the Internet 46 / 65In the OSI model, encryption and decryption are functions of the_________layer. session application presentation transport 47 / 65Devices may be arranged in a _______ topology. Ring All of the options are correct Bus Mesh 48 / 65Which is not related to Internet? UPS WWW TCP/IP ISP 49 / 65Which of the following is a remote login service? Telnet Video conference All of the above FTP 50 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Data link Session Transport Physical 51 / 65Which refers to the communication media? UTP cable All of the given options Fiber optic cable Satellite 52 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. IEEE ISO OSI None 53 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. data link transport network physical 54 / 65____________ is a network that connect sites that are in diverse locations. WAN MAN None of these LAN 55 / 65The OSI model consists of _______ layers. six seven eight five 56 / 65What is the correct order of OSI reference model of a computer network from botttom to top? physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, presentation, session, and application physical, datalink, network, transport, session, application and presentation physical, datalink, network, transport, session, presentation and application 57 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. reliability performance feasibility security 58 / 65____ is a collection of point to point links that may form a circle. Star Topology Bus Topology Mesh Topology Ring Topology 59 / 65Which is not a guided media? STP Cable UTP Cable Fiber Optic Satellite 60 / 65Why was the OSI model developed? manufacturers disliked the TCP/IP protocol suite The rate of data transfer was increasing exponentially Standards were needed to allow any two systems to communicate None of the above 61 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Data link Session Transport Presentation 62 / 65In OSI model, what is the main function of the transport layer? updating and maintenance of routing tables node-to-node delivery synchronization process-to-process message delivery 63 / 65Which topology is more reliable and secured for a LAN? Mesh Bus Star Ring 64 / 65Which of the following is not a protocol? FTP POP NOS TCP/IP 65 / 65Which one is an example of bound media Microwave transmission Fiber optic Laser transmission Infrared transmission Your score isThe average score is 0% 0% Restart quiz Post Views: 1,548