Computer Networking
Which of the following data transmission media has the largest terrestrial range without the use of repeaters or other devices?

Satellite
Microwave
Hardwiring
None of these
Laser

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Computer Networking
Which of the following is true when describing a global unicast address?

These are like private addresses in IPv4 in that they are not meant to be routed.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets addressed to a unicast address are delivered to a single interface.

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Computer Networking
The data-link layer, in reference to the OSI model, specifies

All of these
None 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
the interface between the X.25 network and packet mode device

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