Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65 ____ is a collection of point to point links that may form a circle. Bus Topology Mesh Topology Star Topology Ring Topology 2 / 65 A_________________ is a set of rules that governs data communication. Forum standard portocol None of these 3 / 65 In the OSI model, encryption and decryption are functions of the_________layer. transport session presentation application 4 / 65 In which network topology, devices are connected through the hub? Ring topology None of the above Bus topology Star topology 5 / 65 Which one is not network topology? Star BUS Ring Client Server 6 / 65 What is the maximum length of typical type of LAN? 1 KM 100KM 3 KM 10 KM 7 / 65 ………….. is the technology that connects the machines and people within a site in a small area. MAN LAN WAN None of these 8 / 65 Which of the following is not a guided data communication media? Satellite Coaxial cable Twisted pair Fiber optic 9 / 65 Which one is an example of bound media Laser transmission Microwave transmission Fiber optic Infrared transmission 10 / 65 Which of the following is a remote login service? FTP Telnet All of the above Video conference 11 / 65 What 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, transport, network, session, presentation and application physical, datalink, network, transport, presentation, session, and application 12 / 65 The OSI model consists of _______ layers. eight seven five six 13 / 65 E-mail is a/an......... None of the above Organization, which controls the Internet protocol to access the Internet service of Internet 14 / 65 Which is not an Internet service? e-fax e-commerce e-telephone e-mail 15 / 65 When a host on network A sends a message to a host on network B, which address does the router look at? Logical None of these Physical Port 16 / 65 In which communication media, the data transfer rate is high? Co-axial cable Twisted pair Microwave Fiber optics 17 / 65 A computer network permits sharing of ...... Resources None of these Information Both Resources And Information 18 / 65 Which is not related to Internet? WWW ISP UPS TCP/IP 19 / 65 The _____ layer enables the user to access the network Application Transport Data link Physical 20 / 65 The ________ is the physical path over which a message travels. protocol medium signal None of these 21 / 65 Which topology is more reliable and secured for a LAN? Ring Star Mesh Bus 22 / 65 __________is a network that covers geographic areas that are larger, such as districts or cities. LAN WAN None of these MAN 23 / 65 The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Transport Presentation Session Data link 24 / 65 The_________ layer is responsible for moving frames from node to the next. transport physical None of these data link 25 / 65 The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. ISO OSI IEEE None 26 / 65 Which is not a guided media? Satellite STP Cable Fiber Optic UTP Cable 27 / 65 The physical, data link and network layers are the __________ support layers. user network None of the option both network and uers 28 / 65 In a _______ connection, more than two devices can share a single link. Point-to-point Primary Multipoint Secondary 29 / 65 Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. None of these Internet Layer Protocol Transport Layer Protocol Application Layer Protocol 30 / 65 In 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 31 / 65 Frequency of failure and network recovery time after a failure are measures of the ________ of a network. performance feasibility security reliability 32 / 65 Which is web browser software? Internet explorer Windows NT All of the options Windows 2007 33 / 65 The ______ model shows how the network functions of a computer ought to be organized. CCITT ANSI ISO OSI 34 / 65 In 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 35 / 65 Each computer on the Internet has a unique numeric address called a/an... web address Network binding Domain address IP address 36 / 65 The session, presentation and application layers are the ________ support layers. both network and uers user network None of the option 37 / 65 What does MAC stands for? Micro Access Control Medic Access Certificate Mandatory Access Control Media Accesses Control 38 / 65 The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Logical None Port Physical 39 / 65 Modem converts....... Sound signal to video None of the options are correct Digital signal into sound Sound into digital 40 / 65 What are the five elements of basic communication system? Message, Sender, Receiver, Medium and Protocols Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Rules and Protocols Data, Sender, Receiver, Medium and Message 41 / 65 Why 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 42 / 65 In client server network architecture, which statement is not true? Data traffic is very high because of broad architecture Secured and reliable network architecture Network controlling and management is easier. It is less expensive architecture 43 / 65 Give an example of full duplex mode of data communication. Internet FM Radio Walkie-talkie Television 44 / 65 The ________ layer is responsible for delivering data units from one station to the next without errors. data link transport network physical 45 / 65 Which refers to the communication media? Satellite Fiber optic cable UTP cable All of the given options 46 / 65 The________ layer is responsible for the delivery of message from one process to another. physical none of these data link transport 47 / 65 Which is not unguided media? Microwave Radio wave Infrared Fiber optic 48 / 65 Which of the following statement in not true? Computer resources such as hardware, software, data can be shared in a Network. All networks' components can be controlled by a single computer system. Network security is the most challenging job for network administrator. Communication has become faster, reliable but expensive for data communications. 49 / 65 _________ is a collection of many separate networks. A WAN A LAN None of these An Internet 50 / 65 Which device is necessary to operate the Internet? CD-ROM All of the above ISP Modem 51 / 65 IPv6 has ________ -bit address. 32 Variable 128 64 52 / 65 What is the basic characteristic of WAN? Complex and Mostly Private Simple and Mostly Public Simple and Mostly Private Complex and Mostly Public 53 / 65 The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Data link Session Transport Physical 54 / 65 Devices may be arranged in a _______ topology. Mesh Ring Bus All of the options are correct 55 / 65 Which of the following is not a protocol? TCP/IP FTP POP NOS 56 / 65 The information to be communicated in a data communications system is the __________ medium message protocol transmission 57 / 65 Select 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 58 / 65 ____________ is a network that connect sites that are in diverse locations. MAN None of these WAN LAN 59 / 65 Which is not Communication Media? Microwave Satellite Wire NIC 60 / 65 In …….. Network Topology nodes are connected in a single wire Bus All Mesh Star 61 / 65 The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Physical Network Transport Data link 62 / 65 The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. network physical data link transport 63 / 65 A television broadcast is an example _________ of transmission. None of these Simplex Half-duplex Full-Duplex 64 / 65 Communication between a computer and a keyboard involves ________ transmission. half-duplex automatic full-duplex simplex 65 / 65 An unauthorized user is a network _______ issue. performance security All of the above reliability Your score isThe average score is 73% 0% Restart quiz Post Views: 2,021