Computer Networking
The X.25 standard specifies a

data bit rate
technique for dial access
DTE/DCE interface
technique for start-stop data
None of these

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Computer Networking
Modulation is the process of

converting digital signals to analog signals
Multiplexing various signals into high speed line signals
performing data encryption.
converting analog signals to digital signals

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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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