Computer Awareness MCQs and Quiz for Banking, IBPS, RRB, RBI, SBI Exams
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2020-2021. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
51. Which of the following networking devices forwards data packets between computer networks?
[A] Router
[B] Gateway
[C] Switch
[D] Hub
Show Answer
Correct Answer: A [Router]
Notes:
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet.
52. Which of the following device distributes network traffic across a number of servers?
[A] IDS
[B] Load Balancer
[C] Switch
[D] Hub
Show Answer
Correct Answer: B [Load Balancer]
Notes:
A load balancer is a device that acts as a reverse proxy and distributes network or application traffic across a number of servers. Load balancers are used to increase capacity and reliability of applications
53. Which type of bridge is used on token ring networks?
[A] Transparent Bridge
[B] Translational Bridge
[C] Source Route Bridge
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
Source route bridge is used on token ring networks. Bridge derives the entire path of the frame embedded in the header of the frame and decides how to forward the frame through out the network till it reaches its destination.
54. What is the time needed by each device on a network, to hold the message before processing, called as?
[A] Propagation time
[B] Queuing time
[C] Transmission time
[D] Jitter
Show Answer
Correct Answer: B [Queuing time]
Notes:
The time needed for each intermediate or end device to hold the message before it can be processed. The queuing time is not constant as it changes with the load imposed on the network.
55. What is the alteration of the signal due to differing propagation speeds of each of the frequencies called as?
[A] Distortion
[B] Attenuation
[C] Noise
[D] None of the above
Show Answer
Correct Answer: A [Distortion]
Notes:
Distortion is the change in the waveform of the signal due to noise. It is the alteration of the signal due to differing propagation speeds of each of the frequencies.
56. Which of the following noise may occur when signals at different frequencies share the same transmission medium?
[A] White noise
[B] Intermodulation noise
[C] Cross talk
[D] Impulse noise
Show Answer
Correct Answer: B [Intermodulation noise]
Notes:
When signals at different frequencies share the same transmission medium, the result may be intermodulation noise. Signals at a frequency that is the sum or difference of original frequencies or multiples of those frequencies will be produced.
57. What do we call the network design containing more than one topology?
[A] Hybrid
[B] Mesh
[C] Tree
[D] Star
Show Answer
Correct Answer: A [Hybrid]
Notes:
A network structure whose design contains more than one topology is said to be hybrid topology. Hybrid topology has all the merits and demerits of all the incorporating topologies.
58. 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
Correct Answer: B [upto 4 Mbps]
Notes:
.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.
59. 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
Correct Answer: D [Global System for Mobile]
Notes:
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.
60. Which of the following techniques is used by UMTS?
[A] FDMA
[B] CDMA
[C] TDMA
[D] SDMA
Show Answer
Correct Answer: B [CDMA]
Notes:
UMTS uses wideband code division multiple access (W-CDMA) radio access technology which offers greater spectral efficiency and bandwidth to mobile network operators.
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