Computer Networking
If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is

None of these
4800 bands
3200 bands
1200 bands
9600 bands

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Computer Networking
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

The update will be ignored and no further action will occur.
The updated information will replace the existing routing table entry.
They will all load-balance.
The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.
The updated information will be added to the existing routing table.

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