Google IT Support Professional:The Bits and Bytes of Computer Networking (Week 5) Connecting to the Internet.

 Don't just copy for the sake of completion. 

Make sure you understand first.

★Wireless Networking★

Q1.How many address fields does an 802.11 header have?

1. 1
2. 2
3. 3
4. 4

There are four different address fields in an 802.11 header.

Q2.A wireless channel is ____________.

1. a portion of a frequency band.
2. a point-to-point wireless connection.
3. a collision domain.
4. an example of an ad-hoc network.

A channel represents a portion of a frequency band.

Q3.Choose all of the frequencies that wireless networks typically operate on.

1. 88Mhz
2. 1.544Ghz
3. 2.4Ghz
4. 5Ghz

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