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

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

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

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