Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65Which is not a guided media? Satellite Fiber Optic STP Cable UTP Cable 2 / 65The physical, data link and network layers are the __________ support layers. network user both network and uers None of the option 3 / 65Give an example of full duplex mode of data communication. FM Radio Walkie-talkie Internet Television 4 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. IEEE None OSI ISO 5 / 65Which of the following is not a guided data communication media? Fiber optic Satellite Twisted pair Coaxial cable 6 / 65Which device is necessary to operate the Internet? All of the above Modem CD-ROM ISP 7 / 65The________ layer is responsible for the delivery of message from one process to another. transport physical none of these data link 8 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Physical Transport Data link Session 9 / 65Which one is an example of bound media Infrared transmission Microwave transmission Fiber optic Laser transmission 10 / 65In client server network architecture, which statement is not true? Data traffic is very high because of broad architecture Network controlling and management is easier. It is less expensive architecture Secured and reliable network architecture 11 / 65Devices may be arranged in a _______ topology. Mesh Ring All of the options are correct Bus 12 / 65Each computer on the Internet has a unique numeric address called a/an... web address Network binding Domain address IP address 13 / 65What is the basic characteristic of WAN? Simple and Mostly Private Complex and Mostly Private Complex and Mostly Public Simple and Mostly Public 14 / 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, presentation, session, and application physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, session, presentation and application 15 / 65In …….. Network Topology nodes are connected in a single wire Star All Bus Mesh 16 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bits Per Second Media Bits Per Second Mega Bands Per Second Mega Bytes Per Second 17 / 65What is the maximum length of typical type of LAN? 3 KM 100KM 10 KM 1 KM 18 / 65IPv6 has ________ -bit address. 32 64 Variable 128 19 / 65In which communication media, the data transfer rate is high? Microwave Fiber optics Co-axial cable Twisted pair 20 / 65Which is web browser software? All of the options Windows NT Windows 2007 Internet explorer 21 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. MAN None of these LAN WAN 22 / 65The_________ layer is responsible for moving frames from node to the next. None of these physical transport data link 23 / 65Which of the following is not a protocol? POP FTP TCP/IP NOS 24 / 65A television broadcast is an example _________ of transmission. Half-duplex None of these Simplex Full-Duplex 25 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Data link Session Presentation 26 / 65Which is not an Internet service? e-telephone e-fax e-commerce e-mail 27 / 65Which is not Communication Media? Satellite Wire Microwave NIC 28 / 65The ________ is the physical path over which a message travels. protocol medium signal None of these 29 / 65In OSI model, what is the main function of the transport layer? node-to-node delivery updating and maintenance of routing tables process-to-process message delivery synchronization 30 / 65What are the five elements of basic communication system? Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Rules and Protocols Data, Sender, Receiver, Medium and Message 31 / 65Which is not unguided media? Fiber optic Infrared Microwave Radio wave 32 / 65Which topology is more reliable and secured for a LAN? Bus Mesh Ring Star 33 / 65____________ is a network that connect sites that are in diverse locations. MAN LAN WAN None of these 34 / 65A computer network permits sharing of ...... Both Resources And Information Resources Information None of these 35 / 65………….. is the technology that connects the machines and people within a site in a small area. None of these LAN MAN WAN 36 / 65Communication between a computer and a keyboard involves ________ transmission. automatic full-duplex simplex half-duplex 37 / 65____ is a collection of point to point links that may form a circle. Bus Topology Ring Topology Star Topology Mesh Topology 38 / 65In a _______ connection, more than two devices can share a single link. Secondary Point-to-point Primary Multipoint 39 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Transport Data link Network 40 / 65What does MAC stands for? Medic Access Certificate Media Accesses Control Mandatory Access Control Micro Access Control 41 / 65The _____ layer enables the user to access the network Physical Application Transport Data link 42 / 65E-mail is a/an......... protocol to access the Internet Organization, which controls the Internet None of the above service of Internet 43 / 65The session, presentation and application layers are the ________ support layers. user both network and uers network None of the option 44 / 65In which network topology, devices are connected through the hub? None of the above Star topology Ring topology Bus topology 45 / 65The ______ model shows how the network functions of a computer ought to be organized. ANSI CCITT OSI ISO 46 / 65Which of the following is a remote login service? Telnet All of the above Video conference FTP 47 / 65The OSI model consists of _______ layers. five seven eight six 48 / 65Which of the following statement in not true? All networks' components can be controlled by a single computer system. 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. 49 / 65Modem converts....... Sound signal to video Digital signal into sound None of the options are correct Sound into digital 50 / 65Select the perfect order of dada communication system or model. Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 51 / 65A_________________ is a set of rules that governs data communication. portocol standard None of these Forum 52 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Internet Layer Protocol Application Layer Protocol None of these Transport Layer Protocol 53 / 65Which is not related to Internet? WWW ISP TCP/IP UPS 54 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. feasibility reliability performance security 55 / 65_________ is a collection of many separate networks. An Internet None of these A WAN A LAN 56 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Physical Logical None Port 57 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical data link network transport 58 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. network physical transport data link 59 / 65Which one is not network topology? Ring Client Server BUS Star 60 / 65Why 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 61 / 65The information to be communicated in a data communications system is the __________ medium protocol transmission message 62 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Logical Physical Port None of these 63 / 65An unauthorized user is a network _______ issue. security reliability performance All of the above 64 / 65Which refers to the communication media? Fiber optic cable UTP cable All of the given options Satellite 65 / 65In the OSI model, encryption and decryption are functions of the_________layer. application session presentation transport Your score isThe average score is 67% 0% Restart quiz Post Views: 662