Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65Which topology is more reliable and secured for a LAN? Star Ring Mesh Bus 2 / 65What is the basic characteristic of WAN? Simple and Mostly Private Simple and Mostly Public Complex and Mostly Public Complex and Mostly Private 3 / 65The session, presentation and application layers are the ________ support layers. both network and uers None of the option network user 4 / 65Which is not unguided media? Microwave Radio wave Infrared Fiber optic 5 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bands Per Second Mega Bytes Per Second Media Bits Per Second Mega Bits Per Second 6 / 65Which is not an Internet service? e-commerce e-fax e-mail e-telephone 7 / 65In client server network architecture, which statement is not true? It is less expensive architecture Secured and reliable network architecture Network controlling and management is easier. Data traffic is very high because of broad architecture 8 / 65The_________ layer is responsible for moving frames from node to the next. data link physical transport None of these 9 / 65Give an example of full duplex mode of data communication. Walkie-talkie Television Internet FM Radio 10 / 65The information to be communicated in a data communications system is the __________ message protocol medium transmission 11 / 65A television broadcast is an example _________ of transmission. Full-Duplex Half-duplex Simplex None of these 12 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. OSI None ISO IEEE 13 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Data link Session Physical Transport 14 / 65The OSI model consists of _______ layers. five eight six seven 15 / 65The________ layer is responsible for the delivery of message from one process to another. transport physical none of these data link 16 / 65The physical, data link and network layers are the __________ support layers. None of the option network both network and uers user 17 / 65Devices may be arranged in a _______ topology. Ring Mesh Bus All of the options are correct 18 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical network transport data link 19 / 65In a _______ connection, more than two devices can share a single link. Secondary Point-to-point Primary Multipoint 20 / 65In …….. Network Topology nodes are connected in a single wire Mesh Star All Bus 21 / 65Which of the following statement in not true? 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. Computer resources such as hardware, software, data can be shared in a Network. 22 / 65E-mail is a/an......... protocol to access the Internet None of the above Organization, which controls the Internet service of Internet 23 / 65Which is web browser software? Windows 2007 All of the options Windows NT Internet explorer 24 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Presentation Data link Transport Session 25 / 65Why was the OSI model developed? Standards were needed to allow any two systems to communicate None of the above manufacturers disliked the TCP/IP protocol suite The rate of data transfer was increasing exponentially 26 / 65Which refers to the communication media? UTP cable Fiber optic cable Satellite All of the given options 27 / 65A_________________ is a set of rules that governs data communication. standard Forum None of these portocol 28 / 65In OSI model, what is the main function of the transport layer? process-to-process message delivery node-to-node delivery synchronization updating and maintenance of routing tables 29 / 65Which is not Communication Media? Satellite Microwave NIC Wire 30 / 65Which of the following is not a protocol? POP TCP/IP FTP NOS 31 / 65Which is not a guided media? UTP Cable Fiber Optic Satellite STP Cable 32 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. MAN LAN None of these WAN 33 / 65When a host on network A sends a message to a host on network B, which address does the router look at? None of these Logical Physical Port 34 / 65What 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 35 / 65The ________ is the physical path over which a message travels. protocol signal medium None of these 36 / 65What does MAC stands for? Medic Access Certificate Micro Access Control Media Accesses Control Mandatory Access Control 37 / 65A computer network permits sharing of ...... Resources Information Both Resources And Information None of these 38 / 65In the OSI model, encryption and decryption are functions of the_________layer. session presentation transport application 39 / 65An unauthorized user is a network _______ issue. security reliability All of the above performance 40 / 65………….. is the technology that connects the machines and people within a site in a small area. None of these WAN MAN LAN 41 / 65____ is a collection of point to point links that may form a circle. Mesh Topology Bus Topology Star Topology Ring Topology 42 / 65In which communication media, the data transfer rate is high? Microwave Co-axial cable Fiber optics Twisted pair 43 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. security feasibility reliability performance 44 / 65Modem converts....... None of the options are correct Sound signal to video Digital signal into sound Sound into digital 45 / 65Which one is not network topology? BUS Client Server Ring Star 46 / 65_________ is a collection of many separate networks. None of these A LAN A WAN An Internet 47 / 65Select 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 48 / 65Which of the following is a remote login service? Video conference Telnet FTP All of the above 49 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. data link physical transport network 50 / 65The ______ model shows how the network functions of a computer ought to be organized. OSI CCITT ISO ANSI 51 / 65Each computer on the Internet has a unique numeric address called a/an... Network binding web address IP address Domain address 52 / 65Which device is necessary to operate the Internet? CD-ROM Modem All of the above ISP 53 / 65Which is not related to Internet? WWW TCP/IP UPS ISP 54 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Transport Layer Protocol Application Layer Protocol None of these Internet Layer Protocol 55 / 65Which one is an example of bound media Microwave transmission Fiber optic Infrared transmission Laser transmission 56 / 65Communication between a computer and a keyboard involves ________ transmission. automatic simplex half-duplex full-duplex 57 / 65____________ is a network that connect sites that are in diverse locations. None of these WAN LAN MAN 58 / 65What is the maximum length of typical type of LAN? 1 KM 10 KM 100KM 3 KM 59 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Logical Physical Port None 60 / 65IPv6 has ________ -bit address. Variable 128 64 32 61 / 65In which network topology, devices are connected through the hub? Star topology None of the above Ring topology Bus topology 62 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Data link Transport Network 63 / 65What 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 64 / 65Which of the following is not a guided data communication media? Twisted pair Fiber optic Satellite Coaxial cable 65 / 65The _____ layer enables the user to access the network Transport Physical Application Data link Your score isThe average score is 67% 0% Restart quiz Post Views: 727