Internet & Web Technology MCQs > FREE SET - 3

1. Communication network is

A one or more conductors that serve as a common connection for a related group of devices B a continuous frequency capable of being modulated or impressed with a second signal C the condition with two or more stations attempt to use the same channel at the same time D a collection of interconnected functional units that provides a data communications service among stations attached to the network Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	2. Which of the following conditions is used to transmit two packets over a medium at the same time?
	A Contention B Collision C Synchronous D Asynchronous Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	3. Examples are packet switching using frame relay and cell switching using ATM technologies. Select the best fit for answer:
	A Bandwidth alternatives B Switching alternating C Inter organizational networks D Extranets Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	4. The physical layer, in reference to the OSI model, defines
	A data link procedures that provide for the exchange of data via frames that can be sent and received B the interface between the X.25 network and packet mode device C the virtual circuit interface to packet-switched service D All of the above Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	5. The transmission signal coding method of TI carrier is called
	A Bipolar B NRZ C Manchester D Binary Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	6. Which of the following files is used for NetBIOS name resolution?
	A HOSTS B LMHOSTS C ARP D FQDN Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	7. What is the name of the device that converts computer output into a form that can be transmitted over a telephone line?
	A Teleport B Modem C Multiplexer D Concentrator Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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8. Parity bit is

A an error-detecting code based on a summation operation performed on the bits to be checked. B a check bit appended to an array of binary digits to make the sum of all the binary digits. C a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors in detected D the ratio of the number of data units in error to the total number of data units Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	9. Microprogramming is
	A assembly language programming B programming of minicomputers C control unit programming D macro programming of microcomputers Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	10. ARP (Address Resolution Protocol) is
	A a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical 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 A Explanation: Available Soon. Workspace View Answer Workspace

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	11. A modulator converts a(n) ________ signal to a(n) ________ signal.
	A FSK; PSK B PSK; FSK C analog; digital D digital; analog Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	12. Who originally designed TCP/IP?
	A The Department of Defense B Novell C IBM D Xerox Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	13. An example of digital, rather than analog communication is
	A DDD B DDS C WATS D DDT Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	14. When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system?
	A Security procedure B Safeguard procedure C Identification procedure D Log-on procedure Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	15. Demodulation is a process of
	A converting analog to digital signals B converting digital to analog signals C multiplexing various signals into one high speed line signals D performing data description. Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	16. Which of the following best illustrates the default subnet mask for a class A,B, and C Network?
	A 0.0.0.0, 0.0.0.1, 0.0.1.1 B 255.255.255.0, 255.255.0.0, 255.0.0.0 C 255.0.0.0, 255.255.0.0, 255.255.255.0 D 255.255.0.0, 255.255.255.0, 255.255.255.255 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	17. On a class B network, how many hosts are available at each site with a subnet mask of 248?
	A 16,382 B 8,190 C 4,094 D 2,046 Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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18. Which of the following technique is used for encapsulation?

A a technique used in best-effort delivery systems 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 B Explanation: Available Soon. Workspace View Answer Workspace

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19. The difference between a multiplexer and a statistical multiplexer is

A Statistical multiplexers need buffers while multiplexers do not need buffers B Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol C Multiplexers often waste the output link capacity while statistical multiplexers optimize its use D Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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20. MAC is

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

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	21. The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?
	A CSMA/CD B Token passing C Collision detection D Time sharing\x0d\x0aE) Switched repeaters Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	22. Which of the following TCP/IP protocol is used for file transfer with minimal capability and minimal overhead?
	A RARP B FTP C TFTP D TELNET Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	23. Terminals are required for
	A realtime, batch processing, and timesharing B realtime, timesharing, and distributed processing C realtime, distributed processing, and manager inquiry D realtime, timesharing, and message switching Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	24. Business meeting and conferences can be held by linking distantly located people through a computer network. Not only the participants exchange information but are able to see each other. What is it called?
	A Telemeeting B Telemailing C Teleconferencing D Teletalking Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	25. Many large organizations with their offices in different countries of the world connect their computers through telecommunication satellites and telephone lines. Such a communication network is called
	A LAN B WAN C ECONET D EITHERNET Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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26. Error detecting code is

A an error-detecting code based on a summation operation performed on the bits to be checked B a check bit appended to an array of binary digits to make the sum of all the binary digits. C a code in which each expression conforms to specify rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the error is detected. D the ratio of the data units in error to the total number of data units Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	27. You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 25 hosts and a maximum number of subnets?
	A 255.255.255.192 B 255.255.255.224 C 255.255.255.240 D 255.255.255.248 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	28. Intranets and extranets can use their network fire walls and other security features to establish secure Internet links within an enterprise or with its trading partners. Select the best fit for answer:
	A Network Server B Virtual Private Network C Network operating system D OSI Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	29. Which of the following is an advantage to using fiber optics data transmission?
	A resistance to data theft B fast data transmission rate C low noise level D All of the above Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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

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

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	32. The modern enterprise is interconnected internally and externally by the Internet, intranets and other networks. Select the best fit for answer:
	A Internetworked enterprise B Information super highway C Business applications of telecommunications D Client/Server networks Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	33. For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for?
	A Recognised standard B Random sequence C Recommended standard D Registered source Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	34. What is the port number for POP3?
	A 110 B 90 C 80 D 49 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	35. The main difference between TCP and UDP is
	A UDP is connection oriented where as TCP is datagram service B TCP is an Internet protocol where as UDP is an ATM protocol C UDP is a datagram where as TCP is a connection oriented service D All of the above Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	36. After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
	A Telex B Word processor C Facsimile D Electronic mail Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	37. In a _________ topology, if there are n devices in a network, each device has n - 1 ports for cables.
	A ring B bus C star D mesh Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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	38. What is the first octet range for a class A IP address?
	A 1 - 126 B 192 - 255 C 192 - 223 D 1 - 127 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	39. Different computers are connected to a LAN by a cable and a/an
	A modem B interface card C special wires D telephone lines Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	40. A communications medium that uses pulses of laser light in glass fibers
	A Fiber optic cables B Cellular phone systems C Telecommunications processors D Telecommunications software Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	41. Which of the following communications service provides message preparation and transmission facilities?
	A Teletex B Teletext C x400 D Fax Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	42. You are trying to decide which type of network you will use at your office and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?
	A Token-Ring B CSMA/CD C Ethernet D CSMA/CA Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	43. Which of the following network access standard is used for connecting stations to a packet-switched network?
	A X.3 B X.21 C X.25 D X.75 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	44. The term "remote job entry" relates to
	A batch processing B realtime processing C transaction processing D distributed processing Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	45. Which file transfer protocol uses UDP?
	A NFS B TELNET C TFTP D FTP Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	46. A batch processing terminal would not include a
	A CPU B card reader C card punch D line printer Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	47. Packet Switch Stream (PSS) was introduced in
	A the US in 1961 (&) the UK in 1981 B the UK in 1980 C the US in 1961 D None of the above Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

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	48. An error detecting code is which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as
	A Cyclic redundancy check B Checksum C Error detecting code D Error rate Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

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	49. The network layer, in reference to the OSI model, provide
	A data link procedures that provide for the exchange of data via frames that can be sent \x0d\x0aand received B the interface between the X.25 network and packet mode device C the virtual circuit interface to packet-switched service D All of the above Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

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	50. Which of the following protocol is connection-oriented?
	A IPX B UDP C NetBEUI D TCP Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

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