Data Communication And Networking [MCQ] Test Your Knowledge! April 19, 2024 by jaminrai Data Communication And Networking 1 / 65Which is not a guided media? Fiber Optic UTP Cable Satellite STP Cable 2 / 65Which protocol layer uses the protocols are WWW, HTTP, FTP, SMTP, e-mail, etc. None of these Internet Layer Protocol Application Layer Protocol Transport Layer Protocol 3 / 65The________ layer is responsible for the delivery of message from one process to another. none of these data link physical transport 4 / 65Devices may be arranged in a _______ topology. Bus All of the options are correct Ring Mesh 5 / 65The information to be communicated in a data communications system is the __________ message transmission medium protocol 6 / 65IPv6 has ________ -bit address. 128 32 Variable 64 7 / 65The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols. None IEEE OSI ISO 8 / 65Select the perfect order of dada communication system or model. Source, Encoder, Transmitter, Receiver, Channel, Decoder and Sink Source, Encoder, Channel, Transmitter, Receiver, Decoder and Sink Source, Sink, Encoder, Decoder, Transmitter, Receiver and Channel Source, Encoder, Transmitter, Channel, Receiver, Decoder and Sink 9 / 65………….. is the technology that connects the machines and people within a site in a small area. LAN None of these WAN MAN 10 / 65An unauthorized user is a network _______ issue. reliability performance All of the above security 11 / 65Which is not Communication Media? Wire NIC Satellite Microwave 12 / 65Modem converts....... Sound into digital None of the options are correct Digital signal into sound Sound signal to video 13 / 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 14 / 65The ________ layer is responsible for delivering data units from one station to the next without errors. network physical transport data link 15 / 65__________is a network that covers geographic areas that are larger, such as districts or cities. WAN None of these LAN MAN 16 / 65Which is not related to Internet? WWW TCP/IP ISP UPS 17 / 65Which 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. 18 / 65What is the maximum length of typical type of LAN? 100KM 10 KM 3 KM 1 KM 19 / 65____________ is a network that connect sites that are in diverse locations. MAN WAN LAN None of these 20 / 65Which is not an Internet service? e-fax e-mail e-commerce e-telephone 21 / 65Which of the following is not a guided data communication media? Fiber optic Satellite Coaxial cable Twisted pair 22 / 65Which one is an example of bound media Laser transmission Infrared transmission Fiber optic Microwave transmission 23 / 65Why was the OSI model developed? None of the above manufacturers disliked the TCP/IP protocol suite Standards were needed to allow any two systems to communicate The rate of data transfer was increasing exponentially 24 / 65_________ is a collection of many separate networks. A WAN None of these A LAN An Internet 25 / 65Communication between a computer and a keyboard involves ________ transmission. automatic half-duplex full-duplex simplex 26 / 65Which is not unguided media? Radio wave Microwave Fiber optic Infrared 27 / 65In the OSI model, encryption and decryption are functions of the_________layer. application session transport presentation 28 / 65In OSI model, what is the main function of the transport layer? updating and maintenance of routing tables process-to-process message delivery node-to-node delivery synchronization 29 / 65Which refers to the communication media? Satellite UTP cable All of the given options Fiber optic cable 30 / 65Which topology is more reliable and secured for a LAN? Mesh Ring Star Bus 31 / 65The _____ layer enables the user to access the network Application Physical Transport Data link 32 / 65The physical, data link and network layers are the __________ support layers. network None of the option user both network and uers 33 / 65The _____ layer establishes, maintains, and synchronizes the interaction between communication devices Session Transport Physical Data link 34 / 65In client server network architecture, which statement is not true? Data traffic is very high because of broad architecture It is less expensive architecture Network controlling and management is easier. Secured and reliable network architecture 35 / 65Which device is necessary to operate the Internet? CD-ROM All of the above ISP Modem 36 / 65____ is a collection of point to point links that may form a circle. Ring Topology Star Topology Mesh Topology Bus Topology 37 / 65In a _______ connection, more than two devices can share a single link. Secondary Multipoint Primary Point-to-point 38 / 65The session, presentation and application layers are the ________ support layers. user both network and uers None of the option network 39 / 65A computer network permits sharing of ...... Resources Both Resources And Information Information None of these 40 / 65The ______ model shows how the network functions of a computer ought to be organized. CCITT ISO OSI ANSI 41 / 65Which one is not network topology? Ring Client Server Star BUS 42 / 65In which network topology, devices are connected through the hub? Bus topology Ring topology None of the above Star topology 43 / 65E-mail is a/an......... None of the above protocol to access the Internet service of Internet Organization, which controls the Internet 44 / 65Each computer on the Internet has a unique numeric address called a/an... Network binding Domain address web address IP address 45 / 65What does MAC stands for? Mandatory Access Control Micro Access Control Media Accesses Control Medic Access Certificate 46 / 65What is the basic characteristic of WAN? Simple and Mostly Public Simple and Mostly Private Complex and Mostly Private Complex and Mostly Public 47 / 65The ________ is the physical path over which a message travels. protocol None of these signal medium 48 / 65Give an example of full duplex mode of data communication. Walkie-talkie Television FM Radio Internet 49 / 65Frequency of failure and network recovery time after a failure are measures of the ________ of a network. security feasibility reliability performance 50 / 65What is the correct order of OSI reference model of a computer network from botttom to top? physical, datalink, network, transport, session, presentation and application physical, datalink, transport, network, session, presentation and application physical, datalink, network, transport, presentation, session, and application physical, datalink, network, transport, session, application and presentation 51 / 65A_________________ is a set of rules that governs data communication. standard Forum portocol None of these 52 / 65In which communication media, the data transfer rate is high? Microwave Co-axial cable Twisted pair Fiber optics 53 / 65Which is web browser software? Windows NT All of the options Windows 2007 Internet explorer 54 / 65A television broadcast is an example _________ of transmission. Simplex Full-Duplex None of these Half-duplex 55 / 65Which of the following is a remote login service? Telnet Video conference FTP All of the above 56 / 65The _________ address, also known as the link address, is the address of a node as defined by its LAN or WAN. Logical None Physical Port 57 / 65When a host on network A sends a message to a host on network B, which address does the router look at? Port Physical None of these Logical 58 / 65The_________ layer is responsible for moving frames from node to the next. data link transport physical None of these 59 / 65The OSI model consists of _______ layers. six eight five seven 60 / 65What are the five elements of basic communication system? Message, Sender, Receiver, Software and Protocols Message, Sender, Receiver, Rules and Protocols Message, Sender, Receiver, Medium and Protocols Data, Sender, Receiver, Medium and Message 61 / 65The ______ layer is responsible of the source to destination delivery of packet across multiple network links. Transport Network Physical Data link 62 / 65Which of the following is not a protocol? FTP POP TCP/IP NOS 63 / 65The _________ layer coordinates the functions required to transmit a bit stream over a physical medium. physical network data link transport 64 / 65The _____ layer ensures interoperability between communicating devices trhough transformation of data into mutually agreed upon format. Session Transport Data link Presentation 65 / 65In …….. Network Topology nodes are connected in a single wire All Mesh Bus Star Your score isThe average score is 0% 0% Restart quiz Post Views: 1,475