Computer Networking
Which fields are contained within an IEEE Ethernet frame header?1. Source and destination MAC address2. Source and destination network address3. Source and destination MAC address and source and destination network address4. FCS field

1 and 4
3 only
2 and 3 only
2 only

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Computer Networking
An encyclopedic database

is easy for beginners to use
is generally free
All of these
is an information utility that specializes in storing and searching information
None of these

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

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