Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 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, presentation and application physical, datalink, network, transport, session, application and presentation physical, datalink, transport, network, session, presentation and application 2 / 65A television broadcast is an example _________ of transmission. None of these Half-duplex Full-Duplex Simplex 3 / 65The________ layer is responsible for the delivery of message from one process to another. transport physical data link none of these 4 / 65Which is web browser software? Windows NT Internet explorer Windows 2007 All of the options 5 / 65What is the maximum length of typical type of LAN? 3 KM 1 KM 100KM 10 KM 6 / 65Which is not an Internet service? e-fax e-commerce e-mail e-telephone 7 / 65Which is not related to Internet? UPS WWW ISP TCP/IP 8 / 65Modem converts....... Digital signal into sound None of the options are correct Sound signal to video Sound into digital 9 / 65The_________ layer is responsible for moving frames from node to the next. data link None of these physical transport 10 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Presentation Session Data link Transport 11 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. transport data link network physical 12 / 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 13 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Physical Port None Logical 14 / 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. 15 / 65Which device is necessary to operate the Internet? CD-ROM Modem All of the above ISP 16 / 65The physical, data link and network layers are the __________ support layers. user both network and uers None of the option network 17 / 65An unauthorized user is a network _______ issue. reliability security performance All of the above 18 / 65Which refers to the communication media? Satellite UTP cable Fiber optic cable All of the given options 19 / 65A computer network permits sharing of ...... Information None of these Resources Both Resources And Information 20 / 65Which one is not network topology? Ring Star Client Server BUS 21 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. Application Layer Protocol Internet Layer Protocol Transport Layer Protocol None of these 22 / 65The ________ is the physical path over which a message travels. None of these signal medium protocol 23 / 65In OSI model, what is the main function of the transport layer? node-to-node delivery synchronization updating and maintenance of routing tables process-to-process message delivery 24 / 65The information to be communicated in a data communications system is the __________ transmission message medium protocol 25 / 65The OSI model consists of _______ layers. six five eight seven 26 / 65Which is not Communication Media? Satellite Microwave NIC Wire 27 / 65_________ is a collection of many separate networks. None of these A WAN An Internet A LAN 28 / 65The _____ layer enables the user to access the network Physical Data link Application Transport 29 / 65In a digital data transmission of computer networking, what is Mbps? Media Bits Per Second Mega Bands Per Second Mega Bytes Per Second Mega Bits Per Second 30 / 65Which topology is more reliable and secured for a LAN? Ring Bus Mesh Star 31 / 65Which of the following is a remote login service? FTP Video conference All of the above Telnet 32 / 65Select the perfect order of dada communication system or model. Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink 33 / 65In the OSI model, encryption and decryption are functions of the_________layer. session transport application presentation 34 / 65Which of the following is not a guided data communication media? Fiber optic Satellite Coaxial cable Twisted pair 35 / 65Which one is an example of bound media Laser transmission Infrared transmission Fiber optic Microwave transmission 36 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. None of these WAN MAN LAN 37 / 65What does MAC stands for? Medic Access Certificate Micro Access Control Media Accesses Control Mandatory Access Control 38 / 65A_________________ is a set of rules that governs data communication. Forum None of these standard portocol 39 / 65The session, presentation and application layers are the ________ support layers. user network both network and uers None of the option 40 / 65Communication between a computer and a keyboard involves ________ transmission. half-duplex full-duplex automatic simplex 41 / 65E-mail is a/an......... protocol to access the Internet None of the above service of Internet Organization, which controls the Internet 42 / 65Which of the following is not a protocol? NOS FTP POP TCP/IP 43 / 65In a _______ connection, more than two devices can share a single link. Primary Multipoint Secondary Point-to-point 44 / 65Which is not unguided media? Infrared Microwave Radio wave Fiber optic 45 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Physical Session Data link Transport 46 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Data link Network Transport 47 / 65Give an example of full duplex mode of data communication. Internet FM Radio Television Walkie-talkie 48 / 65What is the basic characteristic of WAN? Complex and Mostly Private Complex and Mostly Public Simple and Mostly Public Simple and Mostly Private 49 / 65In …….. Network Topology nodes are connected in a single wire Bus All Star Mesh 50 / 65Devices may be arranged in a _______ topology. Ring Mesh All of the options are correct Bus 51 / 65What are the five elements of basic communication system? Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Medium and Protocols Data, Sender, Receiver, Medium and Message 52 / 65____________ is a network that connect sites that are in diverse locations. WAN MAN LAN None of these 53 / 65In which network topology, devices are connected through the hub? Bus topology Star topology None of the above Ring topology 54 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Logical Port Physical None of these 55 / 65Which of the following statement in not true? Communication has become faster, reliable but expensive for data communications. Computer resources such as hardware, software, data can be shared in a Network. Network security is the most challenging job for network administrator. All networks' components can be controlled by a single computer system. 56 / 65In which communication media, the data transfer rate is high? Twisted pair Microwave Fiber optics Co-axial cable 57 / 65____ is a collection of point to point links that may form a circle. Bus Topology Star Topology Mesh Topology Ring Topology 58 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. IEEE OSI ISO None 59 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. physical transport data link network 60 / 65Which is not a guided media? Satellite STP Cable Fiber Optic UTP Cable 61 / 65The ______ model shows how the network functions of a computer ought to be organized. ISO CCITT OSI ANSI 62 / 65IPv6 has ________ -bit address. 32 Variable 64 128 63 / 65………….. is the technology that connects the machines and people within a site in a small area. WAN MAN LAN None of these 64 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. feasibility security reliability performance 65 / 65Each computer on the Internet has a unique numeric address called a/an... IP address Domain address web address Network binding Your score isThe average score is 67% 0% Restart quiz Post Views: 358