Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. None OSI IEEE ISO 2 / 65Which is not a guided media? Satellite Fiber Optic UTP Cable STP Cable 3 / 65Which is web browser software? Windows NT Internet explorer Windows 2007 All of the options 4 / 65Which one is an example of bound media Microwave transmission Laser transmission Fiber optic Infrared transmission 5 / 65An unauthorized user is a network _______ issue. reliability security All of the above performance 6 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bands Per Second Mega Bytes Per Second Mega Bits Per Second Media Bits Per Second 7 / 65The________ layer is responsible for the delivery of message from one process to another. transport data link none of these physical 8 / 65____ is a collection of point to point links that may form a circle. Ring Topology Mesh Topology Star Topology Bus Topology 9 / 65Why was the OSI model developed? Standards were needed to allow any two systems to communicate The rate of data transfer was increasing exponentially None of the above manufacturers disliked the TCP/IP protocol suite 10 / 65Which of the following is not a protocol? NOS FTP POP TCP/IP 11 / 65What are the five elements of basic communication system? Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Medium and Protocols 12 / 65In …….. Network Topology nodes are connected in a single wire Bus All Star Mesh 13 / 65In the OSI model, encryption and decryption are functions of the_________layer. application presentation session transport 14 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Network Transport Data link 15 / 65The physical, data link and network layers are the __________ support layers. both network and uers user network None of the option 16 / 65Which one is not network topology? Client Server Star BUS Ring 17 / 65The information to be communicated in a data communications system is the __________ message protocol transmission medium 18 / 65Which is not unguided media? Infrared Microwave Radio wave Fiber optic 19 / 65Which is not related to Internet? ISP TCP/IP UPS WWW 20 / 65When 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 21 / 65A television broadcast is an example _________ of transmission. None of these Full-Duplex Half-duplex Simplex 22 / 65In which communication media, the data transfer rate is high? Microwave Co-axial cable Fiber optics Twisted pair 23 / 65Devices may be arranged in a _______ topology. Ring All of the options are correct Mesh Bus 24 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical transport data link network 25 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. network transport physical data link 26 / 65Modem converts....... None of the options are correct Sound signal to video Digital signal into sound Sound into digital 27 / 65The ______ model shows how the network functions of a computer ought to be organized. CCITT ANSI ISO OSI 28 / 65Select the perfect order of dada communication system or model. Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink 29 / 65IPv6 has ________ -bit address. 32 Variable 64 128 30 / 65The ________ is the physical path over which a message travels. medium None of these signal protocol 31 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Port Logical Physical None 32 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Transport Session Physical Data link 33 / 65Which of the following is not a guided data communication media? Fiber optic Coaxial cable Satellite Twisted pair 34 / 65Which of the following statement in not true? Network security is the most challenging job for network administrator. Computer resources such as hardware, software, data can be shared in a Network. Communication has become faster, reliable but expensive for data communications. All networks' components can be controlled by a single computer system. 35 / 65The _____ layer enables the user to access the network Physical Transport Application Data link 36 / 65Which of the following is a remote login service? FTP All of the above Telnet Video conference 37 / 65The_________ layer is responsible for moving frames from node to the next. data link physical None of these transport 38 / 65The OSI model consists of _______ layers. six eight seven five 39 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. security reliability performance feasibility 40 / 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, session, presentation and application physical, datalink, network, transport, presentation, session, and application physical, datalink, network, transport, session, application and presentation 41 / 65E-mail is a/an......... Organization, which controls the Internet None of the above service of Internet protocol to access the Internet 42 / 65A computer network permits sharing of ...... Resources None of these Information Both Resources And Information 43 / 65Each computer on the Internet has a unique numeric address called a/an... Network binding Domain address web address IP address 44 / 65In client server network architecture, which statement is not true? Secured and reliable network architecture Data traffic is very high because of broad architecture It is less expensive architecture Network controlling and management is easier. 45 / 65What is the basic characteristic of WAN? Simple and Mostly Public Simple and Mostly Private Complex and Mostly Public Complex and Mostly Private 46 / 65What is the maximum length of typical type of LAN? 3 KM 1 KM 100KM 10 KM 47 / 65Communication between a computer and a keyboard involves ________ transmission. full-duplex automatic half-duplex simplex 48 / 65What does MAC stands for? Micro Access Control Medic Access Certificate Media Accesses Control Mandatory Access Control 49 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. LAN WAN None of these MAN 50 / 65Which device is necessary to operate the Internet? Modem All of the above CD-ROM ISP 51 / 65A_________________ is a set of rules that governs data communication. portocol standard None of these Forum 52 / 65………….. is the technology that connects the machines and people within a site in a small area. LAN MAN WAN None of these 53 / 65In a _______ connection, more than two devices can share a single link. Primary Secondary Point-to-point Multipoint 54 / 65The session, presentation and application layers are the ________ support layers. user both network and uers network None of the option 55 / 65Which is not Communication Media? Satellite Microwave NIC Wire 56 / 65_________ is a collection of many separate networks. An Internet A LAN A WAN None of these 57 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Presentation Data link Session 58 / 65Give an example of full duplex mode of data communication. FM Radio Television Internet Walkie-talkie 59 / 65In which network topology, devices are connected through the hub? None of the above Ring topology Star topology Bus topology 60 / 65Which refers to the communication media? Fiber optic cable Satellite All of the given options UTP cable 61 / 65____________ is a network that connect sites that are in diverse locations. MAN WAN None of these LAN 62 / 65Which topology is more reliable and secured for a LAN? Star Ring Mesh Bus 63 / 65Which is not an Internet service? e-mail e-commerce e-fax e-telephone 64 / 65In OSI model, what is the main function of the transport layer? synchronization node-to-node delivery updating and maintenance of routing tables process-to-process message delivery 65 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Transport Layer Protocol None of these Application Layer Protocol Internet Layer Protocol Your score isThe average score is 0% 0% Restart quiz Post Views: 1,739