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Wednesday 12 June 2013

PRATICE PAPER NETWORKING PART-1

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UGC NET JUNE 2013 SYLLABUS, MODEL PAPER/ PREVIOUS YEARS SOLVED QUESTION PAPERS. 

UGC NET (NATIONAL ELIGIBILITY TEST) : OLD SOLVED/PREVIOUS EXAM QUESTION PAPERS WITH SOLUTIONS AND EXPLANATIONS AND FREE STUDY MATERIALS.

COMPUTER MEMORY BASED PREVIOUS YEARS SOLVED PAPERS I, II AND III TO PREPARE AND PASS THE UGC NET/SLET ENTRANCE EXAMINATION WITH HIGH PERCENTAGE.

COMPUTER BASIC QUESTIONS FOR BANK EXAM, HTAT, CTAT, TAT, UGC-NET, INTERVIEW AND OTHER EXAM'S, WHERE BASIC QUESTION'S ARE REQUIRED.

1. Which of the following is considered a broad band communication channel ?
A. coaxial cable
B. fiber optics cable
C. microwave circuits
D. all of above

Answer = D

2. Which of the following does not allow multiple uses or devices to share one communication line?
  1. doubleplexer
  2. multiplexer
  3. concentrator
  4. controller
Answer = A

3. Which of the following is required to communicate between two computers ?
  1. communications software
  2. protocol
  3. communication hardware
  4. all of above including access to transmission medium
Answer = D

4. Which of the following is an advantage to using fiber optics data transmission ?
  1. resistance to data theft
  2. fast data transmission rate
  3. low noise level
  4. all of above
Answer = D

5. The interactive transmission of data within a time sharing system may be best suited to ?
  1. simplex lines
  2. half-duplex lines
  3. full duplex lines
  4. biflex-lines
Answer = B

6. The optical fiber trans-Atlantic cable TAT-14 includes a section from Bude, Cornwall to Tucker ton, New Jersey. Determine the propagation delay if the route length is 6,254 km. ?
  1. 31.98 ms
  2. 3.198 ms.
  3. 31.27 ms
  4. 312.7 ms
Answer = C

7. Manchester encoding is principally designed to ?
  1. ensure that the line remains unbalanced.
  2. have more than one symbol per bit period.
  3. increase the bandwidth of a signal transmitted on the medium
  4. ensure that a transition occurs in the center of each bit period.
Answer = D

8. A router ?
  1. forwards a packet to all outgoing links.
  2. forwards a packet to all outgoing links, except the link upon which the packet originated
  3. forwards a packet to the next free outgoing link
  4. determines on which outgoing link a packet is to be forwarded.
Answer = D

9.  Telephone systems may be classified as ?
  1. simplex and symmetrical.
  2. duplex and asymmetrical.
  3. simplex and asymmetrical.
  4. duplex and symmetrical.
Answer = D

10. Which of the following signal is not standard RS-232-C signal ?
  1. VDR
  2. RTS
  3. CTS
  4. DSR
Answer =A

11. Which of the following is not a type of Computer Network?
  1. Local Area Network (LAN)
  2. Personal Area Network (PAN)
  3. Remote Area Network (RAN)
  4. Metropolitan Area Network (MAN)
Answer = c
Explanation:The Types of Computer Networks are LAN, MAN, PAN, WAN, CAN but RAN Remote Area Network is not a type of CN.

12. Full Form of NIC?
  1. New Internet Connection
  2. Network Interface Card
  3. Network Interface Connection
  4. Net Interface Card
Answer =B
Explanation: NIC is Network Interface Card Which is Used to Connect Computer to a Network.

13. Which of the following are type of Twisted Pair Cable?
  1. Coaxial Cable
  2. Shielded Twisted Pair (STP)
  3. Unshielded Twisted Pair (UTP)
  4. Only B and C
Answer = D
Explanation:STP and UTP are type of Twisted Pair Cable which are mostly used in all Networks.

14. _________ Supports Data Rate Upto 1000 Mbps Gigabyte Ethernet.
  1. CAT 1
  2. Thinnet
  3. CAT 5
  4. CAT 5e
Answer = D
Explanation: CAT 5e is also Know As 1000 Mbps Gigabyte Ethernet and Supports Data Rate Upto 1000 Mbps.

15. Which Color Coding of Cable is Used to Connect Similar Devices?
  1. Straight Cable
  2. Cross Over Cable
  3. Serial Cable
  4. All of Above.
Answer = B
Explanation: Cross Over Color Coding of UTP Cable is Used to connect Similar Devices like HUB to HUB, PC to PC, Switch To Switch.

16. HUB is a _________ Device and Switch is a ________ Device.
  1. Unicast, Multicast
  2. Malticast, Unicast
  3. Broadcast, Unicast
  4. None of Above
Answer = C
Explanation: Hub is a Broadcasting Device and Switch is a Unicasting Device because Switch have Memory Element to Store MAC Address.

17. Switch is a Device of _________ Layer of OSI Model.
  1. Network Layer
  2. Data Link Layer
  3. Application Layer
  4. Session Layer
Answer = B
Explanation: Switches Operate On Th Second Layer of OSI Model That is Data Link Layer.

18. Star Topology is Based On a Central Device that can be __________ ?
  1. HUB
  2. Switch
  3. Only A
  4. Both A and B
Answer = D
Explanation: HUB and Switch are used in Star Type Networks.

19. TCP/IP is also well known as _______.
  1. OSI Model
  2. TCP Model
  3. DOD Model
  4. Network Model
Answer = C
Explanation: TCP/IP Model is also known as DOD model.

20. IPX/SPX is used in ______________.
  1. Novell's Netware Network
  2. Mac - Macintosh
  3. Apple
  4. Microsoft
Answer = A

Explanation: IPX/SPX - Internet Packet Exchanger/Sequenced Package Exchanger is used in Novell's Netware Network.

21. The collection of communication lines and routers is called
  1. LAN
  2. MAN
  3. WAN
  4. Communication Subnet
Answer = D

22. In the IEEE standards 802.5 standard is also called ?
  1. Ethernet
  2. Token Bus
  3. Wireless Token Area Network
  4. Token Ring
Answer = D
Explanation: In the IEEE standards 802.5 standard is also called Token Ring

23. _________ have a single communication channel that is shared by all the users on the
network. ?
  1. Point-to-Point
  2. Broadcast Network
  3. Protocol
  4. PAN
Answer = B
Explanation: Broadcast Network Have Single Communication channel.

24.A Wireless Access Point Behaves in a similar manner to that of a master-slave operation ?
True
False
Answer = True

25. Which of the following is an advantage to using fiber optics data transmission?
  1. resistance to data theft
  2. fast data transmission rate
  3. low noise level
  4. all of above
Answer = D

26. Which of the following is required to communicate between two computers?
  1. communications software
  2. protocol
  3. communication hardware
  4. all of above including access to transmission medium
Answer = D

27. Which of the following types of channels moves data relatively slowly?
  1. wide band channel
  2. voice band channel
  3. narrow band channel
  4. all of above
Answer = C

28 A protocol is a set of rules governing a time sequence of events that must take place ?
  1. between peers
  2. between an interface
  3. between modems
  4. across an interface
Answer = A

29. Which of the following transmission systems provide the highest data rate to in individual device?
  1. computer bus
  2. telephone lines
  3. voice and mode
  4. lease lines
Answer = A

30 Communiction circuits that transmit data in both directions but not at the same time are operating in
  1. a simplex mode
  2. a half duplex mode
  3. a full duplex mode
  4. an asynchronous mode
Answer = B
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