Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

NVRAM is corrupted.
The configuration register setting is incorrect.
The newly upgraded IOS is not compatible with the hardware of the router.
You didn

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Computer Networking
Which is true regarding EIGRP successor routes?1. A successor route is used by EIGRP to forward traffic to a destination.2. Successor routes are saved in the topology table to be used if the primary route fails.3. Successor routes are flagged as "active" in the routing table.4. A successor route may be backed up by a feasible successor route.5. Successor routes are stored in the neighbor table following the discovery process.

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

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Computer Networking
Satellite-Switched Time-Division Multiple Access (SS/TDMA) is

All of these
the method of determining which device has access to the transmission medium at any time.
a form of TDMA in which circuit switching is used to dynamically change the channel assignments
None of these
a medium access control technique for multiple access transmission media

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