Quiz 5 Flashcards by Charlie Sanchez

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

Study These Flashcards

A

11Ghz

Q

WiMax 802.16 data rate

Study These Flashcards

A

70Mbps

Q

WiMax 802.16 range

Study These Flashcards

A

31 miles

WiMax 802.16 info

commercial grade equipment

Bluetooth 802.15 freq

2.4Ghz

Bluetooth 802.15 range

30 ft / 300 ft

Bluetooth 802.15 data rate

1-24Mbps

Bluetooth 802.15 info

low power

Zigbee 802.15.4 freq

2.4 GHz, 868MHz

Zigbee 802.15.4 data rate

250 kbps, 20kbps

Zigbee 802.15.4 range

150ft

Zigbee 802.15.4 info

very low power

Ethernet range

unlimited

Ethernet address space

large address space

Ethernet max data rates

10Mbps, 100Mbps, 1000Mbps

Ethernet is ________ independent; _____, ____, _____

physical layer, wire, fiber optic, wireless

Ethernet data rate / latency

Ethernet has no guaranteed data rate or latency

What is the current data speed for Thunderbolt?

40Gbps

What are lanes?

Lanes refer to high speed differential connections

USB has _____ duplex, ______ data

half, differential

USB can drive up to ______ devices

127

USB uses ____ interface

plug and play

USB 1.1 data speed

1.5 or 12Mbps

USB 2.0 data speed

480Mbps

USB 3.0

3 Gbps

USB can use asynchronous or _______ transfers

isochronous

What does isochronous mean?

At regular time intervals

Which USB lines are a differential pair?

D+ (green), D- (white)

How many USB lines are there?

4: Power, GND, D+, D-

USB 2.0 Unit mA

100

USB 2.0 Max mA

500

USB 3.0 Unit mA

150

USB 3.0 Max mA

900