Computer Networking
Which of the followings is used in communications is referred to as unshielded twisted-pair (UTP)?

None of these
Coaxial cable
Fiber-optic cable
Twisted-pair cable

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

a technique used in best-effort delivery systems to avoid endlessly looping packets.
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 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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