ICT for NTA UGC NET JRF Paper 1

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1.What does the number ’10’ depict in 10BASE-T?

[A] 10 Kbps
[B] 10 Mbps
[C] 10 Gbps
[D] 10 Tbps

SHOW ANSWER
  Answer 2
Explanation: Traditional Ethernet uses 10BASE-T specifications. The number ’10’ depicts 10Mbps speed, BASE stands for baseband, and T stands for Thick Ethernet. ©navclasses




2.What is the bandwidth limit for CAT2 cable?

[A] upto 1 Mbps
[B] upto 4 Mbps
[C] upto 10 Mbps
[D] upto 100 Mbps

SHOW ANSWER
  Answer 2
Explanation: CAT2 or Category 2 cable supports speeds upto 4Mbps. It is used mostly for token ring networks. It is an improvement over Category 1 cable which supports speed upto 1 Mbps. ©navclasses




3.What is the full form of Wi-Fi?

[A] Wireless Fidelity
[B] Wireless Find
[C] Wireless Function
[D] Wireless Fiber

SHOW ANSWER
  Answer 1
Explanation: WI-Fi stands for Wireless Fidelity. It is a local area wireless technology. It allows an electronic device to transfer data or connect to the internet using radio waves. ©navclasses




4.What is the full form of GSM?

[A] Geographic System for Mobile
[B] Great System of Mobile
[C] Geographic Special Mobile
[D] Global System for Mobile

SHOW ANSWER
  Answer 4
Explanation: GSM stands for Global System for Mobile. Before this it was known as Group Special Mobile. As GSM increases its global presence, the term was changed to Global System for Mobile. ©navclasses




5.Which of the following is a standard for 1G network?

[A] UMTS
[B] GSM
[C] AMPS
[D] All of the above

SHOW ANSWER
  Answer 3
Explanation: AMPS or the Advanced Mobile Phone System is a standard for 1G mobile network which was in use in North America and Australia. ©navclasses




6.Where does the bending of EM waves occurs in the atmosphere?

[A] Troposphere
[B] Mesosphere
[C] Stratosphere
[D] Ionosphere

SHOW ANSWER
  Answer 4
Explanation: The phenomenon of bending of electromagnetic waves occurs in Ionosphere and they are diverted towards the earth. This is helpful in skywave propagation. ©navclasses




7.Which of these factors affect the line of sight communication?

[A] line of sight distance
[B] curvature of the earth
[C] Both a and b
[D] None

SHOW ANSWER
  Answer 3
Explanation: The line of sight communication is affected by (a) the line of sight distance (b) the curvature of the earth. The space waves are used for line of sight communication such as television broadcast, microwave link and satellite communication. ©navclasses




8.Which of these was the split off version of ARPANET for the military use?

[A] MILNET
[B] DEFNET
[C] MILTECH
[D] USDEFNET

SHOW ANSWER
  Answer 1
Explanation: MILNET was the name given to the part of the ARPANET internetwork designated for unclassified United States Department of Defense traffic. MILNET was physically separated from the ARPANET in 1984. ©navclasses




9.What does ISDN stand for?

[A] Integrated Services Data Network
[B] Information Sources Digital Network
[C] Integrated Services Digital Network
[D] Information Standard Data Network

SHOW ANSWER
  Answer 3
Explanation: ISDN stands for Integrated Services Digital Network. It establishes the connection using the phone lines which carry digital signals instead of analog signals. ©navclasses




10.What do we call the process of limiting bandwidth consumption by users?

[A] Bandwidth Shaping
[B] Downstreaming
[C] Net Neutrality
[D] Walling

SHOW ANSWER
  Answer 1
Explanation: Bandwidth Shaping refers to a tool used by ISPs to limit or direct bandwidth consumption by users. Bandwidth shaping is also called bandwidth allocation or referred to as a bandwidth management tool. ©navclasses

 

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