Internet & Web Technology MCQs > FREE SET - 4

1. CSMA (Carrier Sense Multiple Access) is

A a method of determining which device has access to the transmission medium at any time B a method access control technique for multiple-access transmission media. C a very common bit-oriented data link protocol issued by ISO. D network access standard for connecting stations to a circuit-switched network Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	2. The main difference between synchronous and asynchronous transmission is
	A the clocking is derived from the data in synchronous transmission B the clocking is mixed with the data in asynchronous transmission C the pulse height is different. D the bandwidth required is different Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	3. The interactive transmission of data within a time sharing system may be best suited to
	A simplex lines B half-duplex lines C full-duplex lines D biflex-line Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	4. Which of the following is an example of a client-server model?
	A TELNET B FTP C DNS D All of the above Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	5. The CCITT Recommendation X.25 specifies three layers of communications
	A application, presentation and session B Session, transport and network C physical datalink and network D datalink, network and transport Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	6. What is the maximum number of entries in the HOSTS file?
	A 8 B 255 C 500 D Unlimited Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	7. The basic Ethernet design does not provide
	A access control B addressing C automatic retransmission of a message D multiple virtual networks Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	8. Synchronous protocols
	A transmit characters one at a time B allow faster transmission than asynchronous protocols do C are generally used by personal computers D are more reliable Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	9. Baseband is
	A transmission of signals without modulation B a signal all of whose energy is contained within a finite frequency range C the simultaneous transmission of data to a number of stations D All of the above Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	10. If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____.
	A even B odd C indeterminate D 42 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	11. A devices that links two homogeneous packet-broadcast local networks is
	A gateway B repeater C bridge D hub Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	12. First Layer of the OSI model is
	A physical layer B link layer C transport layer D network layer Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	13. Which of the following is a wrong example of network layer:
	A Internet Protocol (IP) ARPANET B X. 25 Packet Level Protocol (PLP) - ISO C Source routing and Domain naming - Usenet D X.25 level 2 - ISO Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	14. Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as
	A Amplitude-shift keying B Amplitude C Amplitude modulation D Aloha Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	15. Which of the following is used for modulation and demodulation?
	A modem B protocols C gateway D multiplexer Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	16. Which of the following TCP/IP protocol allows an application program on one machine to send a datagram to an application program on another machine?
	A UDP B VMTP C X.25 D SMTP Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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17. ICMP (Internet Control Message Protocol) is

A a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level \x0d\x0aphysical hardware address B a TCP/IP high level protocol for transferring files from one machine to another C a protocol used to monitor computers D a protocol that handles error and control messages Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	18. In CRC there is no error if the remainder at the receiver is _____.
	A equal to the remainder at the sender B zero C nonzero D the quotient at the sender Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	19. The packets switching concept was first proposed
	A in the late 1980s for the Defense Ministry of US. B in the early 1960s for military communication systems, mainly to handle speech C in the late 1950s for Defense Ministry of US D All of the above Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	20. Which of the following summation operations is performed on the bits to check an error-detecting code?
	A Codec B Coder-decoder C Checksum D Attenuation Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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21. Select the correct statement about broadband and baseband

A Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel B Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable C Baseband refers to local area networks, and broadband refers to wide area networks. D Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	22. An example of an analog communication method is
	A laser beam B microwave C voice grade telephone line D All of the above Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	23. Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?
	A Layer 7 protocols B Layer 6 protocols C Layer 5 protocols D Layer 4 protocols Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	24. FDDI is a
	A ring network B star network C mesh network D bus based network Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	25. Demodulation is the process of
	A converting digital signals to analog signals B converting analog signals to digital signals C combining many low speed channels into one high speed channel D dividing the high-speed signals into frequency bands Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	26. Which address is the loopback address?
	A 0.0.0.1 B 127.0.0.0 C 127.0.0.1 D 255.255.255.255 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	27. Which utility is useful for finding the local host name?
	A NBTSTAT B Netstat C PING D Hostname Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	28. Which layer of OSI determines the interface of the system with the user?
	A Network B Application C Data-link D Session Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	29. A required characteristic of an online real-time system is:
	A more than one CPU B offline batch processing C no delay in processing D All of the above Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	30. How many class A, B, and C network IDs can exist?
	A 2,113,658 B 16,382 C 126 D 128 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	31. In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
	A PC B synchronous port C crossover cable D asynchronous port Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	32. A hard copy would be prepared on a
	A typewriter terminal B line printer C plotter D All of the above Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	33. Which of the following specifies the network address and host address of the computer?
	A The IP address B The TCP address C The subnet mask D The default gateway Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	34. Devices on one network can communicate with devices on another network via a
	A file server B utility server C printer server D gateway Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	35. Which of the following allows devices on one network to communicate with devices on another network?
	A multiplexer B gateway C t-switch D modern Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	36. The __________ layer is the layer closest to the transmission medium.
	A transport B network C data link D physical Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	37. Which of the following is not a standard synchronous communication protocol?
	A SDLC B SMTP C SLIP D PAS Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	38. When a group of computers is connected together in a small area without the help of telephone lines, it is called
	A Remote communication network (RCN) B Local area network(LAN) C Wide area network (WAN) D Value added network (VAN) Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	39. Which of the following allows a simple email service and is responsible for moving messages from one mail server to another?
	A IMAP B DHCP C SMTP D FTP Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	40. The application layer of a network
	A establishes, maintains, and terminates virtual circuits B defines the user's port into the network C consists of software being run on the computer connected to the network D All of the above Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	41. The simultaneous transmission of data to a number of stations is known as
	A broadcast B Band width C Aloha D Analog transmission Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	42. Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device is needed to connect them? Choose the most correct answer.
	A Modem B Cable C Hub D Router Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	43. A front-end processor is
	A a user computer system B a processor in a large-scale computer that executes operating system instructions C a minicomputer that relieves main-frame computers at a computer centre of communications control functions D preliminary processor of batch jobs. Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	44. What is the port number for NNTP?
	A 119 B 80 C 79 D 70 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	45. Which of the following is required to communicate between two computers?
	A communications software B communications hardware C access to transmission medium D All of the above Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	46. Which of the following does not allow multiple users or devices to share one communications line?
	A doubleplexer B multipplexer C concentrator D controller Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	47. What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?
	A 16 B 9 C 8 D 4 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	48. A network consists of eight NT servers. You are planning to move servers to different segments of your network, what utility should be used at each server to determine which server generates the most traffic?
	A NBTSTAT B NETSTAT.EXE C Performance Monitor D Network Monitor Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	49. Transmission of computerized data from one location to another is called
	A data transfer B data flow C data communication D data management Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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50. Which of the following technique is used for Time-To-Line (TTL)?

A a technique used in best-effort delivery system to avoid endlessly looping packets. B a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame C One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size. D All of the above Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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