Computer Networking
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?

8 Kbps
None of these
128 Kbps.
32 Kbps
64 Kbps

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Computer Networking
What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router (config-router) # passive-interface s0
Router (config-if) # passive-interface
Router (config-if) # no routing
Router (config-router) # no routing updates

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Computer Networking
Which of the following is true regarding VLANs?

You should not have more than 10 switches in the same VTP domain.
You must have at least two VLANs defined in every Cisco switched network.
All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.
VTP is used to send VLAN information to switches in a configured VTP domain.

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