Computer Networking
If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?

None of these
Park
Interface
Bridge
Link

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Computer Networking
A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?1. A crossover cable should be used in place of the straight-through cable.2. A rollover cable should be used in place of the straight-through cable.3. The subnet masks should be set to 255.255.255.192.4. A default gateway needs to be set on each host.5. The subnet masks should be set to 255.255.255.0.

1 and 5 only
1 only
2 only
2 and 5 only
3 and 4 only

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