Computer Networking
Which of the following is not a disadvantage of wireless LAN?

Slower data transmission
higher error rate
All of these
interference of transmissions from different computers

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Computer Networking
Contention is

a continuous frequency capable of being modulated or impressed with a second signal
the condition when two or more stations attempt to use the same channel at the same time
One or more conductors that serve as a common connection for a related group of devices
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of these

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