Computer Networking
Which EIGRP information is held in RAM and maintained through the use of Hello and update packets?1. Neighbor table2. STP table3. Topology table4. DUAL table

1 and 3
2 only
All of these
4 only

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Computer Networking
The physical layer, in reference to the OSI model, defines

the virtual circuit interface to packet-switched service
None of these
the interface between the X.25 network and packet mode device
All of these
data link procedures that provide for the exchange of data via frames that can be sent and received

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Computer Networking
In geosynchronous orbit, satellite

remains in a fixed position so that as earth rotates, it can fully cover the earth
remains in a fixed position related to points on earth
None of these
moves simultaneously
moves faster than the earth's rotation so that it can cover larger portion of earth.

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