Computer Networking
Which of the following communications modes support two-way traffic but in only one direction of a time?

simplex
half-duplex
None of these
three-quarters duplex
full-of the above

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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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