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

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.
None of these
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.
All of these

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Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Baseband refers to local area networks, and broadband refers to wide area networks.
Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable

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Computer Networking
Carrier is

One or more conductors that serve as a common connection for a related group of devices
the condition when two or more sections attempt to use the same channel at the same time
a continuous frequency capable of being modulated or impressed with a second signal
None of these
a collection of interconnected functional units that provides a data communications service among stations attached to the network

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