Computer Networking
An information utility can offer a user

All of these
instant bonds and stock quotations
None of these
news stories from wire services
complete airline schedules for all domestic flights

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Computer Networking
What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."

The administrator is pinging from the interface.
The keepalives are different times.
The administrator has the interface shut down.
No cable is attached.

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

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

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