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Computer Networking

Computer Networking
The number of cross point needed for 10 lines in a cross point switch which is full duplex in nature and there are no self connection is

45
90
50
100

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

172.16.64.0
172.16.0.0
172.16.48.0
172.16.36.0

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Computer Networking
How many non-overlapping channels are available with 802.11g?

12
23
40
3

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

None of these
mesh
bus
ring
star

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Computer Networking
You are unsuccessful in telnetting into a remote device. What could the problem be?1. IP addresses are incorrect.2. Access control list is filtering Telnet.3. There is a defective serial cable.4. The VTY password is missing.

1 only
3 only
All of these
2 and 4 only

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Computer Networking
Which protocol does Ping use?

BootP
TCP
ARP
ICMP

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