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Computer Networking

Computer Networking
In a _____ topology, if there are n devices in a network, each device has n - 1 ports for cables.

bus
mesh
None of these
star
ring

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Computer Networking
If you want to have more than one Telnet session open at the same time, what keystroke combination would you use?

Ctrl+Shift+6, then X
Tab+Spacebar
Ctrl+Shift+X, then 6
Ctrl+X, then 6

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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?

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

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Computer Networking
In OSI model, which of the following layer provides error-free delivery of data?

Network
Data link
transport
Session
None of these

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Computer Networking
The X.25 standard specifies a

DTE/DCE interface
technique for start-stop data
technique for dial access
data bit rate
None of these

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Computer Networking
Which of the following protocols support VLSM, summarization, and discontiguous networking?1. RIPv12. IGRP3. EIGRP4. OSPF5. BGP6. RIPv2

1 and 4
3, 4 and 6
All of these
2 and 5

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