Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable
Baseband refers to local area networks, and broadband refers to wide area networks.
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel

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

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