Computer Networking
Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point

1 and 3
All of these
1, 2 and 3
3 and 4

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Computer Networking
Synchronous protocols

transmit characters one at a time
are generally used by personal computers
are more reliable
None of these
allow faster transmission than asynchronous protocols do

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