Computer Networking
A required characteristic of an online real-time system is:

None of these
more than one CPU
All of these
no delay in processing
offline batch processing

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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 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 replace the existing routing table entry.
They will all load-balance.
The update will be ignored and no further action will occur.
The updated information will be added to the existing routing table.

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