Computer Networking
Demodulation is the process of

None of these
converting digital signals to analog signals
converting analog signals to digital signals
dividing the high-speed signals into frequency bands
combining many low speed channels into one high speed channel

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Computer Networking
Which of the following technique is used for encapsulation?

All of these
None of these
One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
a technique used in best-effort delivery systems to avoid endlessly looping packets.
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.

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

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