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Cormputer networking., , The IETF standards documents are called, a) RFC, b) RCF, 10, &) OFC, 2. The structure or format of data is called, a) Syntax, b) Semantics, Struct, d) Formatting, 3. The first Network was called, a) CNNET, b) NSFNET, c) ASAPNET, cd) ARPANET, 4. organization has authority over interstate and international cormmerce in the, communications field?, a) ITU-T, b) IEEE, Fcc, d@) ISOC, 5. Which of this is not a network edge device?, aPC, b) Smartphones, , b) Standards, co) RFCs, & Servers, 7. Three of more devices share a tink in, a) Unipoint, b) Murtipoint, © Point to point, Simplex, 8. When collection of various computers seems a single coherent system to its client,, then it is called, , a) Computer network

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b) distributed system, © networking system, dd) mail system, 9. Two devices are in network if 00, @) & process in one device is able to exchange information with a process in another, device, b) @ process is running on both devices, @ PIDs of the processes running of different devices are same, d) @ process is active and another is inactive, 10. Which of the following computer networks is built on the top of another network?, a) prior network, b) chief network, ©} prime network, d) overlay network, 11. In computer network nodes are, a) the Computer that onginates the data, b) the computer that routes the data, ¢) the computer that terminates the data, ¢) all of the mentioned, 12. Communication channel is shared by all the machines on the network in, a) broadcast network, , , , 4 A_ sis a device that forwards packets between networks by processing, the routing information included in the packet., a) bridge, ) firewall, © router, d) hub, 15. A list of protocols used by a system, one protocol per layer, is called, a) protocol architecture, b) protocol stack, Q protocol suite, df) protocol system, 16. Network congestion ocours, a) in case of traffic overloading, b) when @ system terminates, @ when connection between two nodes terminates, dh in case of transfer failure

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17. Which of the following networks extends a private network across public networks?, a) local area network, b) virtual private network, Q entemrise private network, d) storage area network, 18. The physical layer is concemed with, a) Dit-by-bit delivery, b) process to process delivery, © application to application delivery, ) port to port delivery, 19. Which transmission media provides the highest transmission speed in a network?, a) coaxial cable, b) twisted pair cable, © optical fiber, di) electrical cable, 20. Bits can be sent over guided and unguided media as analog signal by, a) digital modulation, b) amplitude modulation, @ frequency modulation, d) phase modulation, 21. The portion of physical layer that interfaces with the media access control sublayer is, called, a) physical signalling sublayer, b) physical data sublayer, Q physical address sublayer, ) physical transport sublayer, 22. The physical layer provides, a) mechanical specifications of electrical connectors and cables, b) electrical specification of transmission line signal level, © specification tor IR over optical fiber, di all of the mentioned, 23. In asynchronous serial communication the physical layer provides, a) start and stop signalling, b) flow control, @ both start & stop signaling and flow contro!, d) only start signailing, 24. The physical layer is responsible for, a) line coding, b) channel coding, @ modulation, ¢ all of the mentioned, 25. The physical layer translates logical communication requests from the into

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@ trasnport layer, d) application layer, , 26. A single channel is shared by multiple signals by, a) analog modulation, b) digital modulation, ©} multiplexing, d) phase modulation, 27. Wireless transmission of signals can be done via, a) radio waves, b) microwaves, © infrared, df all of the mentioned, 28. The data link layer takes the packets from and encapsulates them into, frames for transmission., a) network layer, b) physical layer, transport layer, d) application layer, 29. Which of the following tasks is not done by data link layer?, a) framing, b) error controt, © flow control, d) channel coding, 30. Which sublayer of the data link layer performs data link functions that depend upon, the type of medium?, a) logical link control sublayer, b) media access control sublayer, @ network interface control sublayer, ¢) error control sublayer, 31. Header of a frame generally contains, a) synchronization bytes:, b) addresses, @ frame identifier, di all of the mentioned, 32. Automatic repeat request error management mechanism is provided by, a) logical link control sublayer, b) media access contro! sublayer, @ network interface control sublayer, ) application access control sublayer, 33. When 2 of more bits in a data unit has been changed during the transmission, the, enor is called, a) random error, b) burst error

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© inverted error, d) double error, 34. CRC stands for, a) cyclic redundancy check, b) code repeat check, code redundancy check, dd) cyclic repeat ccheck, 35. Which of the following is a data link protocol?, a) ethernet, b) point to point protecot, Q hdic, d) all of the mentioned, TS, Transport layer aggregates data from different applications into a single stream, before passing it to, a) network layer, b) data link layer, © application layer, d) physical layer, , 37. Which of the following are transport layer protocols used in networking?, a) TCP and FTP, , b) UDP and HTTP, co) TCP and UDP, @) HTTP and FTP, 38. User datagram protocol is called connectioniess because, a) all UDP packets are treated independently by transport layer, b) it sends data as a stream of related packets, @ it is received in the same order as sent order, , oh) it sends data very quickly, coe, , Transmission control protocol, , a) is @ connection-oriented protocol, , b) uses a three way handshake to establish a connection, ¢) receives data from application as a single stream, , d) all of the mentioned, , 40,, , An endpoint of an inter-process communication tiow across a computer network is called, a) socket, , b) pipe, , ©) port, d) mmacthine