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A+ > Wireless Networks > Flashcards

Wireless Networks Flashcards

1
Q

DSSS

A

modulates data over entire range of frequencies using chips
- slower

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2
Q

FHSS

A

allows devices to hop between frequencies
- increases security, slows down bandwidth

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3
Q

OFDM

A

slow mod rate with simultaneous transmissions over 52 data streams

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4
Q

802.11a

A
  • 5GHz
  • 54 mbps
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5
Q

802.11b

A
  • 2.4 GHz
  • 11 Mbps
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6
Q

802.11g

A

2.4 GHz
54 mbps

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7
Q

802.11n

A

2.4/5 GHz
150 mbps/600 mbps

  • cheap, small devices
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8
Q

802.11ac

A

5 GHz
6.9 gbps

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9
Q

802.11ax

A

2.4,5,6 ghz
9.6 gbps

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A+ (21 decks)

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