Common Cable Types

Question 1

What is UTP Cables?

Answer 1

Unshielded Twisted Pair cables are 8 different copper cables twisted together in pairs.

Question 2

What are twists for in copper cables?

Answer 2

The prevent cross-talk and also prevent electromagnetic interference.

Question 3

What is cross talk?

Answer 3

When you have signal on one cable and it bleeds onto another cable.

Question 4

Depending on the twists of copper cables, what can you get out of them?

Answer 4

High Bandwidth and Speeds

Question 5

Generally how much distance can we get out of twisted pair?

Answer 5

100 meters or 325 feet

Question 6

How fast is Cat5?

Answer 6

100Mbps

Question 7

How fast is Cat5e?

Answer 7

1000Mbps (1Gbps)

Question 8

How fast is Cat6?

Answer 8

1Gbps up 100m, 10Gbp up to 55m

Question 9

How fast is Cat6a

Answer 9

10Gbps

Question 10

What media do we use to connect different devices?

Answer 10

Straight-through cables

Question 11

What media do we use to connect same devices?

Answer 11

Cross-Over Cables

Question 12

What kind of connector does category cables use?

Answer 12

RJ45 Connectors

Question 13

What standard do we use to create a straight through cable?

Answer 13

TIA/EIA 568B

Question 14

What standard do we use to create a cross-over cable?

Answer 14

TIA/EIA 568A

Question 15

What cable standard is rated for the best throughput and

Answer 15

TIA/EIA 568B

Question 16

For cable standard TIA/EIA 568B, what is configuration of cables?

Answer 16

White-Orange, Orange, White-Green, Blue, Blue-White, Green, Red-White, Red

Question 17

For cable standard TIA/EIA 568A, what is configuration of cables?

Answer 17

White-Green, Green, White-Orange, Blue, Blue-White, Orange, White-Red, Red

Question 18

What are the two types of fiber optic cable types?

Answer 18

Multimode and Singlemode

Question 19

How big is the core of a multimode fiber optic cable?

Answer 19

50 or 62.5 micrometers

Question 20

How big is the core of a single mode fiber optic cable?

Answer 20

9 micrometers

Question 21

What are the cable standards for multimode and how big are their cores?

Answer 21

OM1 - 62.5 micrometers, OM2 - 50 micrometers, OM3 - 50 micrometers, OM4 - 50 micrometers

Question 22

What distances can you get at 1Gbps and 10Gbps from each multimode fiber optic cable standard?

Answer 22

OM1 - 1 Gbps @ 275m, 10Gbps @ 33m
OM2 - 1Gbps @ 550m, 10Gbps @ 82m
OM3 - 1Gbps @ 550m, 10Gbps @ 300m
OM4 - 1Gbps @ 1000m, 10Gbps @ 550m

Question 23

What is the optical source of OM1-OM4

Answer 23

OM1 & OM2 use LED, and OM3 & OM4 use VCSEL (Laser)

Question 24

What is the color difference for each multimode fiber optic cable standard?

Answer 24

OM1 & OM2 are orange, and OM3 & OM4 are aqua.

Question 25

What is the optical source for multimode fiberoptic cable standards?

Answer 25

LED and VCSEL (Laser)

Question 26

What is the optical source for singlemode fiberoptic cable standards?

Answer 26

Laser

Question 27

What are the cable standards for singlemode and how big are their cores?

Answer 27

OS1 - 9 micrometers
OS2 - 9 micrometers

Question 28

What single mode fiber optics cable standard is typically used outdoor?

Answer 28

OS2

Question 29

What single mode fiber optics cable standard is typically used indoor?

Answer 29

OS1

Question 30

What distances can you get at 10Gbps from each singlemode fiber optic cable standard?

Answer 30

OS1 & OS2 - 10Gbps @ 80km

Question 31

What is the color difference for each singlemode fiber optic cable standard?

Answer 31

OS1 & OS2 are both yellow.

Question 32

What are the three most prevelant fiber optic cable connectors?

Answer 32

ST “Single Twist”, SC “Single Click”, and LC (Small like RJ45)