U
-3219) Communication channel is shared by all the machines on the network in ________
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
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U
-3218) Bluetooth is an example of
Correct Answer - Option
(A)
Explanation :
Bluetooth is a wireless technology used to create a wireless personal area network for data transfer up to a distance of 10 meters. It operates on 2.45 GHz frequency band for transmission.
U
-3217) A __________ is a device that forwards packets between networks by processing the routing information included in the packet.
Correct Answer - Option
(C)
Explanation :
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. They make use of routing protocols like RIP to find the cheapest path to the destination.
U
-3216) A list of protocols used by a system, one protocol per layer, is called
Correct Answer - Option
(B)
Explanation :
A protocol stack refers to a group of protocols that are running concurrently that are employed for the implementation of network protocol suite. Each layer in the network model has to use one specific protocol from the protocol stack.
U
-3215) Network congestion occurs
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
U
-3214) Which of the following networks extends a private network across public networks?
Correct Answer - Option
(B)
Explanation :
A virtual private network extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network.VPN provides enhanced security and online anonymity to users on the internet. It is also used to unblock websites which are unavailable in certain regions.
M
-3213) Which of this is not a constituent of residential telephone line?
Correct Answer - Option
(C)
Explanation :
A low-speed downstream channel is not a constituent of a residential telephone line. But it might be just a two-way telephone channel. Internet can be provided through a high-speed downstream channel in a residential telephone line.
M
-3212) DSL telcos provide which of the following services?
Correct Answer - Option
(C)
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M
-3211) The function of DSLAM is to
Correct Answer - Option
(A)
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M
-3210) Which of the following terms is not associated with DSL?
Correct Answer - Option
(D)
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