Computer Networking
The packets switching concept was first proposed

All of these
in the early 1960s for military communication systems, mainly to handle speech
in the late 1950s for Defense Ministry of US
in the late 1980s for the Defense Ministry of US.
None of these

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Computer Networking
You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?

The route is queued at 16 messages a second.
The route is 16 hops away.
The route is inaccessible.
They will all load-balance.
The route has a delay of 16 microseconds.

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

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