Computer Networking
What function does a serial interface perform in data communication?

Converts parallel data into a stream of bits
Converts analog signals into digital signals
Decodes incoming signals into computer data
Converts serial data into audio signals
None of these

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Computer Networking
Which two of the following are true regarding the distance-vector and link-state routing protocols?1. Link state sends its complete routing table out all active interfaces on periodic time intervals.2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.3. Link state sends updates containing the state of its own links to all routers in the internetwork.4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.

1 only
3 only
None of these
2 and 3 only

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