Computer Networking
A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?

Send a different source port number.
Restart the virtual circuit.
Decrease the sequence number.
Decrease the window size.

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Computer Networking
In geosynchronous orbit, satellite

remains in a fixed position so that as earth rotates, it can fully cover the earth
moves simultaneously
remains in a fixed position related to points on earth
moves faster than the earth's rotation so that it can cover larger portion of earth.
None of these

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Computer Networking
Which three statements are true about the operation of a full-duplex Ethernet network?1. There are no collisions in full-duplex mode.2. A dedicated switch port is required for each full-duplex node.3. Ethernet hub ports are preconfigured for full-duplex mode.4. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.5. The host network card and the switch port must be capable of operating in full-duplex mode.

2, 3 and 4
2 and 4
5 only
1, 2, and 5

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Computer Networking
Bandlimited signal is

simultaneous transmission of data to a number of stations
None of these
a signal all of whose energy is contained within a finite frequency range
All of these
transmission of signals without modulation

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