Computer Networking
Communication circuits that transmit data in both directions but not at the same time are operating in

a simplex mode
None of these
an asynchronous mode
a half-duplex mode
a full-duplex mode

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

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.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.
These are like private addresses in IPv4 in that they are not meant to be routed.

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Computer Networking
What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

Sends back a message to the originating station asking for a name resolution
Drops the frame
Floods the network with the frame looking for the device
Forwards the switch to the first available link

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