Wireless Ethernet Flashcards

1
Q

802.11a frequency

A

5 GHz

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2
Q

802.11g frequency

A

2.4 GHz

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3
Q

802.11b frequency

A

2.4 GHz

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4
Q

802.11n frequency

A

2.4 GHz and 5 GHz

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5
Q

MIMO

A

802.11n (wifi 4), 802.11ac (wifi 5), 802.11ax (wifi 6)

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6
Q

802.11ac frequency

A

2.4GHz, 5GHz

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7
Q

802.11ax frequency

A

2.4GHz, 5GHZ

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8
Q

802.11a Max Data Rate

A

54 Mbps

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9
Q

802.11b Max Data Rata

A

11 Mbps

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10
Q

802.11n Max Data Rate

A

600 Mbps

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11
Q

802.11g Max Data Rate

A

54Mbps

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12
Q

802.11ac Max Data Rate

A

3.5 Gbps

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13
Q

802.11ax Max Data Rate

A

9.6 Gbps

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14
Q

Which frequency has better penetration through barriers?

A

2.4GHz

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15
Q

Which frequency has higher interference?

A

2.4GHz - several devices transmit on this frequency, making it very busy

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16
Q

Which frequency has lower interference?

A

5GHz

17
Q

Which frequency has faster data rates?

A

5GHz

18
Q

Why does 5GHz have a shorter range?

A

5GHz does not penetrate through barriers as well as 2.4GHz

19
Q

How many channels does 2.4 have?

A

Channels 1-11 with 1,6, and 11 non-overlapping

20
Q

How many channels does 5GHz have?

A

45 channels and 24 non-overlapping channels