Quiz 5 Flashcards by Charlie Sanchez | Brainscape

Q

802.11b frequency

A

2.4Ghz

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Q

802.11b data rate

A

11Mbps

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Q

802.11b range

A

120-400ft

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Q

802.11b info

A

nearing obsolescence

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Q

802.11a frequency

A

5Ghz

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Q

802.11a data rate

A

54 Mbps

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Q

802.11a range

A

100-300ft

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Q

802.11a info

A

widely ignored; 802.11b incompatible

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Q

802.11g freq

A

2.4 GHz

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Q

802.11g data rate

A

54 Mbps

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Q

802.11g range

A

120-400ft

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Q

802.11g info

A

widely deployed; 802.11b compatible

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Q

802.11n freq

A

2.4 or 5Ghz

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Q

802.11n data rate

A

248 Mbps

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Q

802.11n range

A

200-750ft

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Q

802.11n info

A

growing popularity; MIMO

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Q

MIMO

A

multiple-input, multiple-output

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Q

802.11ac freq

A

5Ghz

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Q

802.11ac data rate

A

433-1730Mbps

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Q

802.11ac range

A

unknown

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Q

802.11ac info

A

under deployment

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Q

WiMax 802.16 freq

A

11Ghz

Q

WiMax 802.16 data rate

A

70Mbps

Q

WiMax 802.16 range

A

31 miles

Q

WiMax 802.16 info

A

commercial grade equipment

Q

Bluetooth 802.15 freq

A

2.4Ghz

Q

Bluetooth 802.15 range

A

30 ft / 300 ft

Q

Bluetooth 802.15 data rate

A

1-24Mbps

Q

Bluetooth 802.15 info

A

low power

Q

Zigbee 802.15.4 freq

A

2.4 GHz, 868MHz

Q

Zigbee 802.15.4 data rate

A

250 kbps, 20kbps

Q

Zigbee 802.15.4 range

A

150ft

Q

Zigbee 802.15.4 info

A

very low power

Q

Ethernet range

A

unlimited

Q

Ethernet address space

A

large address space

Q

Ethernet max data rates

A

10Mbps, 100Mbps, 1000Mbps

Q

Ethernet is ________ independent; _____, ____, _____

A

physical layer, wire, fiber optic, wireless

Q

Ethernet data rate / latency

A

Ethernet has no guaranteed data rate or latency

Q

What is the current data speed for Thunderbolt?

A

40Gbps

Q

What are lanes?

A

Lanes refer to high speed differential connections

Q

USB has _____ duplex, ______ data

A

half, differential

Q

USB can drive up to ______ devices

A

127

Q

USB uses ____ interface

A

plug and play

Q

USB 1.1 data speed

A

1.5 or 12Mbps

Q

USB 2.0 data speed

A

480Mbps

Q

USB 3.0

A

3 Gbps

Q

USB can use asynchronous or _______ transfers

A

isochronous

Q

What does isochronous mean?

A

At regular time intervals

Q

Which USB lines are a differential pair?

A

D+ (green), D- (white)

Q

How many USB lines are there?

A

4: Power, GND, D+, D-

Q

USB 2.0 Unit mA

A

100

Q

USB 2.0 Max mA

A

500

Q

USB 3.0 Unit mA

A

150

Q

USB 3.0 Max mA

A

900