Wireless Networking Flashcards by Catrina Gatt

Q

How does Wi-Fi work?

A

Uses radio waves.

Devices send signals to a router.

Router connects to the internet.

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Q

What is 802.11a?

A

5 GHz frequency.

Up to 54 Mbps.

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Q

What is 802.11b?

A

2.4 GHz frequency.

Up to 11 Mbps.

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Q

What is 802.11g?

A

2.4 GHz frequency.

Up to 54 Mbps.

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Q

What is 802.11n?

A

Up to 150 Mbps per stream.

Improved speed and range.

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Q

What is 802.11ac?

A

5 GHz frequency.

Up to 450 Mbps per stream.

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Q

What is a Wi-Fi hotspot?

A

A location with wireless internet access.

Public or private network.

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