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 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Session Data link Transport Physical 3 / 65Which refers to the communication media? All of the given options UTP cable Fiber optic cable Satellite 4 / 65Select the perfect order of dada communication system or model. Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 5 / 65The_________ layer is responsible for moving frames from node to the next. None of these transport data link physical 6 / 65The _____ layer enables the user to access the network Application Physical Data link Transport 7 / 65Why was the OSI model developed? Standards were needed to allow any two systems to communicate manufacturers disliked the TCP/IP protocol suite None of the above The rate of data transfer was increasing exponentially 8 / 65Each computer on the Internet has a unique numeric address called a/an... Domain address Network binding web address IP address 9 / 65Which device is necessary to operate the Internet? Modem ISP All of the above CD-ROM 10 / 65Which of the following is a remote login service? All of the above Video conference FTP Telnet 11 / 65Which topology is more reliable and secured for a LAN? Mesh Bus Ring Star 12 / 65An unauthorized user is a network _______ issue. security All of the above performance reliability 13 / 65E-mail is a/an......... None of the above Organization, which controls the Internet service of Internet protocol to access the Internet 14 / 65The________ layer is responsible for the delivery of message from one process to another. none of these physical transport data link 15 / 65Give an example of full duplex mode of data communication. Television Internet Walkie-talkie FM Radio 16 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Network Transport Data link 17 / 65Which is not a guided media? Satellite STP Cable UTP Cable Fiber Optic 18 / 65The session, presentation and application layers are the ________ support layers. network None of the option user both network and uers 19 / 65In a _______ connection, more than two devices can share a single link. Multipoint Point-to-point Secondary Primary 20 / 65____ is a collection of point to point links that may form a circle. Bus Topology Ring Topology Star Topology Mesh Topology 21 / 65The information to be communicated in a data communications system is the __________ medium transmission message protocol 22 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Physical Port Logical None 23 / 65In which network topology, devices are connected through the hub? Bus topology Star topology Ring topology None of the above 24 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Logical Port None of these Physical 25 / 65………….. is the technology that connects the machines and people within a site in a small area. MAN WAN LAN None of these 26 / 65Which one is an example of bound media Laser transmission Microwave transmission Infrared transmission Fiber optic 27 / 65A_________________ is a set of rules that governs data communication. Forum None of these portocol standard 28 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Presentation Data link Session Transport 29 / 65In which communication media, the data transfer rate is high? Fiber optics Co-axial cable Microwave Twisted pair 30 / 65A computer network permits sharing of ...... None of these Both Resources And Information Resources Information 31 / 65Which one is not network topology? Client Server Star Ring BUS 32 / 65Which of the following is not a guided data communication media? Twisted pair Coaxial cable Satellite Fiber optic 33 / 65What are the five elements of basic communication system? Message, Sender, Receiver, Rules and Protocols Data, Sender, Receiver, Medium and Message Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Software and Protocols 34 / 65Modem converts....... Sound into digital Sound signal to video None of the options are correct Digital signal into sound 35 / 65The OSI model consists of _______ layers. seven eight five six 36 / 65What is the maximum length of typical type of LAN? 100KM 10 KM 1 KM 3 KM 37 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Application Layer Protocol Internet Layer Protocol None of these Transport Layer Protocol 38 / 65In a digital data transmission of computer networking, what is Mbps? Mega Bits Per Second Mega Bytes Per Second Mega Bands Per Second Media Bits Per Second 39 / 65_________ is a collection of many separate networks. A LAN A WAN An Internet None of these 40 / 65Which is not an Internet service? e-mail e-commerce e-fax e-telephone 41 / 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. Secured and reliable network architecture It is less expensive architecture 42 / 65____________ is a network that connect sites that are in diverse locations. LAN MAN None of these WAN 43 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. network physical transport data link 44 / 65In …….. Network Topology nodes are connected in a single wire Mesh Star Bus All 45 / 65The ______ model shows how the network functions of a computer ought to be organized. OSI ISO ANSI CCITT 46 / 65Which of the following is not a protocol? NOS POP TCP/IP FTP 47 / 65The physical, data link and network layers are the __________ support layers. user both network and uers None of the option network 48 / 65Which is web browser software? Windows NT All of the options Windows 2007 Internet explorer 49 / 65Which is not Communication Media? Wire Microwave NIC Satellite 50 / 65The ________ is the physical path over which a message travels. None of these medium signal protocol 51 / 65Which of the following statement in not true? 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. Network security is the most challenging job for network administrator. 52 / 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 53 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. MAN None of these WAN LAN 54 / 65A television broadcast is an example _________ of transmission. Half-duplex Full-Duplex Simplex None of these 55 / 65IPv6 has ________ -bit address. 32 64 Variable 128 56 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. transport network data link physical 57 / 65Which is not related to Internet? TCP/IP WWW UPS ISP 58 / 65Devices may be arranged in a _______ topology. All of the options are correct Ring Mesh Bus 59 / 65Which is not unguided media? Infrared Fiber optic Radio wave Microwave 60 / 65What does MAC stands for? Medic Access Certificate Media Accesses Control Mandatory Access Control Micro Access Control 61 / 65What 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, application and presentation physical, datalink, network, transport, session, presentation and application physical, datalink, transport, network, session, presentation and application 62 / 65Communication between a computer and a keyboard involves ________ transmission. half-duplex full-duplex automatic simplex 63 / 65What is the basic characteristic of WAN? Simple and Mostly Private Complex and Mostly Public Simple and Mostly Public Complex and Mostly Private 64 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. reliability security feasibility performance 65 / 65In the OSI model, encryption and decryption are functions of the_________layer. session transport application presentation Your score isThe average score is 67% 0% Restart quiz Post Views: 775