CompTIA Learn: 1.3 Summarize the types of cables and connectors and explain which is appropriate ....

Question 1

10GBASE-SR is best suited for what implementation?

Answer 1

Implementing backbone cabling that does not exceed 200 m (656 feet).

Question 2

What does the SR in 10GBASE-SR stand for?

Answer 2

Short Reach

Question 3

Is 10GBASE-SR bi-directional?

Answer 3

No.

Question 4

What kind of connector does 10GBASE-SR use?

Answer 4

SFP+ connector.

Question 5

What is the speed of 10GBASE-SR?

Answer 5

10 gigabit per second (10GbE).

Question 6

What color are MMF cables?

Answer 6

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

Question 7

What is the range of 10GBASE-SR?

Answer 7

OM3 up to 300 meters (984 feet), OM4, up to 400 meters (1,312 feet).

Question 8

What color are SMF cables?

Answer 8

Usually yellow.

Question 9

Is 10GBASE-SR multimode of single mode?

Answer 9

Multimode.

Question 10

What is the transmission wavelength of 10GBASE-SR?

Answer 10

850 nm.

Question 11

What speed does SFP+ support?

Answer 11

Up to 10 Gbps.

Question 12

What distances does SFP+ support?

Answer 12

Shorter distances, suitable for connections within data centers or local networks.

Question 13

Is SFP+ for copper or fiber optic cables?

Answer 13

Both.

Question 14

What is the limitation on copper interconnects?

Answer 14

Copper interconnects are limited to 10 meters at 10 Gbps.

Question 15

Is SFP+ hot-swappable?

Answer 15

Yes.

Question 16

What does CWDM do?

Answer 16

It allows different data streams to be transmitted simultaneously over a single optical fiber network.

Question 17

How many channels does CWDM support?

Answer 17

Up to 18 wavelength channels.

Question 18

At what OSI layer does CWDM work?

Answer 18

Layer 1 (physical).

Question 19

How far apart are the different wavelengths of each CWDM channel?

Answer 19

20nm apart.

Question 20

What are the two wavelength regions are most commonly associated with CWDM?

Answer 20

1310nm and 1550nm.

Question 21

Which CWDM wavelength region is the most popular?

Answer 21

The 1550nm region is more popular because it has lower signal loss.

Question 22

What is the distance for CWDM?

Answer 22

Up to 70 kilometers (43.5 miles).

Question 23

What effect does the phenomenon called the water peak have on CWDM?

Answer 23

It limits it to supporting eight channels for distances between 40 kilometers (24.9 miles) and 70 kilometers (43.5 miles).

Question 24

What applications is CWDM well-suited to support?

Answer 24

10 Gigabit Ethernet and 16G Fiber Channel.

Question 25

100BASE-FX is best suited for what implementation?

Answer 25

High-speed data transmission, CAN backbones, data center interconnection, and video transmission

Question 26

What does the FX in 100BASE-FX stand for?

Answer 26

Fiber Optic

Question 27

Is 100BASE-FX bi-directional?

Answer 27

Yes.

Question 28

What kind of connector does 100BASE-FX use?

Answer 28

SC (Subscriber Connector).

Question 29

What is the speed of 100BASE-FX?

Answer 29

100 megabits per second.

Question 30

Is 100BASE-FX multimode of single mode?

Answer 30

Multimode.

Question 31

What is the range of 100BASE-FX?

Answer 31

Typically, it can cover distances of up to 2 kilometers (1.24 miles).

Question 32

What transmission wavelength is 100BASE-FX?

Answer 32

1310 nm.

Question 33

100BASE-SX is best suited for what implementation?

Answer 33

LANs, data center interconnection, and CANs.

Question 34

What does the SX in 100BASE-SX stand for?

Answer 34

Multimode fiber with a shorter wavelength.

Question 35

Is 100BASE-SX bi-directional?

Answer 35

No, two fibers within a single cable jacket.

Question 36

What kind of connector does 100BASE-SX use?

Answer 36

LC (Lucent Connector).

Question 37

What is the speed of 100BASE-SX?

Answer 37

100 megabits per second.

Question 38

Is 100BASE-SX multimode of single mode?

Answer 38

Multimode.

Question 39

What is the range of 100BASE-SX?

Answer 39

Typically up to 2 kilometers (1.24 miles).

Question 40

What transmission wavelength is 100BASE-SX?

Answer 40

850 nm.

Question 41

1000BASE-SX is best suited for what implementation?

Answer 41

Within buildings, high-speed hubs, switches, routers, commonly used in switch to switch configuration.

Question 42

What does the SX in 1000BASE-SX stand for?

Answer 42

Short Wavelength

Question 43

Is 1000BASE-SX bi-directional?

Answer 43

No.

Question 44

What kind of connector does 1000BASE-SX use?

Question 45

What is the speed of 1000BASE-SX?

Question 46

Is 1000BASE-SX multimode of single mode?

Answer 46

Multimode.

Question 47

What is the range of 1000BASE-SX?

Answer 47

Up to 550 meters (1804 feet).