Computer Networking
Which of the following technique is used for Time-To-Line (TTL)?

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.
All of these
a technique used in best-effort delivery system 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

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Computer Networking
Which of the following is true regarding access lists applied to an interface?

You can apply only one access list on any interface.
One access list may be configured, per direction, for each layer 3 protocol configured on an interface.
You can place as many access lists as you want on any interface until you run out of memory.
You can apply two access lists to any interface.

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Computer Networking
The physical layer, in reference to the OSI model, defines

None of these
the interface between the X.25 network and packet mode device
All of these
the virtual circuit interface to packet-switched service
data link procedures that provide for the exchange of data via frames that can be sent and received

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