USB and other Interfaces

Question 1

Max distance of USB before depreciation?

Answer 1

USB 1.1 = 3 meters

USB 2.0 and 3.0 = 5 meters

Question 2

USB 1.1/2.0 connector for printers?

Answer 2

Standard-B Connector

Question 3

Distance limitation for IEEE1394/FireWire?

Answer 3

4.5 meters. Can daisy chain up to 63 devices.

Question 4

Which cable transfers at 100, 200, (or 400Mbit/sec at half duplex)

Answer 4

FireWire 400 / IEEE1394a

Question 5

Which cable transfers at 800Mbit/sec?

Answer 5

FireWire 800 / IEEE 1394b

Optical connections support 100 meter distance.

Question 6

SATA 1.0 speed/distance?

Answer 6

1.5Gb/s up to 1 meter.

Question 7

SATA 2.0 speed/distance?

Answer 7

3Gb/s up to 1 meter.

Question 8

SATA 3.0 speed/distance?

Answer 8

6Gb/s up to 1 meter

Question 9

eSATA distance?

Answer 9

eSATA (External SATA) up to 2 meters. Generally matches SATA revision used by device.

Question 10

SATA Data and Power Port Connectors?

Answer 10

SATA Data = 7-pin

SATA Power = 15-pin

Question 11

DVI-Analog Speeds?

Answer 11

Single Link = 3.7Gbps

Dual Link = 7.4 Gbps

Question 12

RJ11 Jack

Answer 12

Usually telephone jack. 6P2C connector (6 Position, 2 Conductor)

Question 13

RJ45 Jack

Answer 13

Ethernet Connector. 8P8C (8 Position, 8 Conductor)

Question 14

USB 3.0 Speed?

Answer 14

5Gb/s

Question 15

USB 2.0 Speed?

Answer 15

480 Mb/s up to 5 meters.

Question 16

Thunderbolt V1, V2, and V3 speeds?

Answer 16

V1 = 10 to 20 Gb/s
V2 = 20 Gb/s
V3 = 40 Gb/s

Question 17

NFC Speed and Range?

Answer 17

NFC (Near Field Communication) 106, 212, and 424 Kb/s

Range of 10cm or less.

Question 18

Bluetooth Class 1 (Industrial), Class 2, and Class 3 Power, Range, and Speeds?

Answer 18

Class 1 = 100 mW up to 100 meters, 24 Mb/s
Class 2 = 2.5 mW up to 10 meters 3 Mb/s
Class 2 = 1 mW up to 1 meter. 1 Mb/s

Question 19

802.11a Frequency, Speed, and Range?

Answer 19

Frequency = 5 Ghz
Throughput = 54 Mb/s 
Range = 120 Meters

Question 20

802.11b Frequency, Throughput, and Range?

Answer 20

Frequency = 2.4 Ghz
Throughput = 11Mb/s
Range = 140 Meters

Question 21

802.11g Frequency, Throughput, and Range?

Answer 21

Frequency = 2.4 Ghz
Throughput = 11Mb/s
Range = 140 Meters

Question 22

802.11n Frequency, Throughput, and Range?

Answer 22

Frequency = 2.4 or 5 Ghz 
Throughput = 600 Mb/s
Range = 250 Meters

Question 23

802.11ac Frequency, Throughput, and Range?

Answer 23

Frequency = 5 Ghz
Throughput = 6934 Mb/s
Range = 250 Meters

Question 24

Direct link between wireless devices, no access point

Answer 24

802.11 AD HOC Mode