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Computer Networking

Computer Networking
On a class B network, how many subnets are available with a subnet mask of 248?

126
6
30
2
62

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Computer Networking
The amount of uncertainty in a system of symbol is called

Quantum
Entropy
Bandwidth
loss
None of these

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Computer Networking
A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?

show version
show flash
show memory
show buffers

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Computer Networking
What are the data transmission channels available for carrying data from one location to another?

Broadband
None of these
All of these
Voiceband
Narrowband

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Computer Networking
Which of the following commands sets the secret password to Cisco?

enable secret Cisco
enable secret password Cisco
enable secret cisco
enable password Cisco

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Computer Networking
A network that requires human intervention of route signals is called a

ring network
T-switched network
bus network
None of these
star network

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