Computer Networking
You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?

You copied the wrong configuration into RAM.
The copy did not override the shutdown command in running-config.
The IOS became corrupted after the copy command was initiated.
You copied the configuration into flash memory instead.

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Computer Networking
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.

Ethernet, because it can be set up with most topologies and can use multiple transfer speeds
Neither Token-Ring nor Ethernet is the proper choice. Only ARCnet can be used in all topologies
Ethernet, because it is cabled using fiber-optic cable
Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology
Token-Ring, because it uses a MAU

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Computer Networking
Bandlimited signal is

All of these
simultaneous transmission of data to a number of stations
None of these
a signal all of whose energy is contained within a finite frequency range
transmission of signals without modulation

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Computer Networking
Demodulation is a process of

multiplexing various signals into one high speed line signals
performing data description.
converting digital to analog signals
converting analog to digital signals

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Computer Networking
You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?

access-list 10 deny 192.168.160.0 255.255.224.0
access-list 10 deny 192.168.160.0 0.0.31.255
access-list 10 deny 192.168.0.0 0.0.31.255
access-list 10 deny 192.168.160.0 0.0.191.255

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