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Computer Networking

Computer Networking
The communication mode that supports two-way traffic but only one direction at a time is

simplex
None of these
duplex
half duplex
multiplex

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Computer Networking
ASK, PSK, FSK, and QAM are examples of _____ encoding.

digital-to-digital
analog-to-digital
None of these
analog-to-analog
digital-to-analog

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Computer Networking
What is the subnetwork number of a host with an IP address of 172.16.66.0/21?

172.16.0.0
172.16.48.0
172.16.64.0
172.16.36.0

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Computer Networking
In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

After broken links are reestablished
When upper-layer protocols require high reliability
During high-traffic periods
In an improperly implemented redundant topology

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Computer Networking
What does the acronym ISDN stand for?

Integrated Services Digital Network
Indian Standard Digital Network
Integrated Services Data Network
Intelligent Services Digital Network
None of these

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Computer Networking
Which of the following command options are displayed when you use the Router# show frame-relay ? command?1. dlci2. neighbors3. lmi4. pvc5. map

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

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