Computer Networking
Which of the following are valid ways to refer only to host 172.16.30.55 in an IP access list? 1. 172.16.30.55 0.0.0.255 2. 172.16.30.55 0.0.0.0 3. any 172.16.30.55 4. host 172.16.30.55 5. 0.0.0.0 172.16.30.55 6. ip any 172.16.30.55

1 and 4
3 and 5
1, 4 and 6
2 and 4

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Computer Networking
Which statement describes a spanning-tree network that has converged?

All switch and bridge ports are in either the forwarding or blocking state.
All switch and bridge ports are either blocking or looping.
All switch and bridge ports are in the forwarding state.
All switch and bridge ports are assigned as either root or designated ports.

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Computer Networking
Which of the following technique is used for fragment?

one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
a technique used in best-effort delivery systems to avoid endlessly looping packets
None of these
All of these

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