1.3 Summarize the types of cables and connectors and explain which is the appropriate type for a solution

Question 1

What is twisted pair copper cabling?

Answer 1

Wires twisted together to reduce electromagnetic interference.

It is commonly used for Ethernet networks.

Question 2

What is Cat 5 cabling?

Answer 2

100 Mbps speed

1000BASE-T networks.

100 meters

Question 3

What is Cat 5e cabling?

Answer 3

1 Gbps

1000BASE-T

100 meters

Question 4

What is Cat 6 cabling?

Answer 4

10GBASE-T

55 meters UNSHEILDED
100 meters Shielded

Question 5

What is Cat 6a cabling?

Answer 5

10GBASE-T

100 meters

Question 6

What is Cat 7 cabling?

Answer 6

10GBASE-T

100 meters shielded

Question 7

What is Cat 8 cabling?

Answer 7

40GBASE-T

30 meters

Question 8

What is coaxial/RG-6 cabling?

Answer 8

Coaxial/RG-6 cabling

used for cable television and internet connections.

It has a single copper conductor at its center, with a layer of insulation and shielding.

Question 9

What is twinaxial cabling?

Answer 9

Consists of two conductors wrapped together with an insulating layer and shielding

Common on 10 Gigabit Ethernet

Example: SFP+ cables

Shorter distance of 5 meters

Low cost
Low Latency when compared to twisted pair

Question 10

What are TIA/EIA-568A and TIA/EIA-568B termination standards?

Answer 10

TIA/EIA-568A: Specifies a wiring pattern with green/white pair starting first.
TIA/EIA-568B: Specifies a wiring pattern with orange/white pair starting first.

Question 11

What is single-mode fiber?

Answer 11

has a small core size and supports long-distance transmission with higher bandwidth, typically used for telecommunication networks.

Laser Beam are used as light

100km distance

Question 12

What is multimode fiber?

Answer 12

larger core size and supports shorter distance transmission with lower bandwidth, typically used for local area networks (LANs).

LED’s are used as light

2km distance

Question 13

What is an LC connector?

Answer 13

LC (Local Connector) is a small form-factor fiber optic connector used for high-density connections, with a push-pull mechanism.

Question 14

What is an ST connector?

Answer 14

ST (Straight Tip) is a fiber optic connector with a bayonet-style twist-lock mechanism, commonly used in networking applications.

Question 15

What is an SC connector?

Answer 15

SC (Subscriber Connector) is a fiber optic connector with a push-pull mechanism, widely used in datacom and telecom applications

Question 16

What is an MT connector?

Answer 16

MT (Mechanical Transfer) is a high-density fiber optic connector used for connecting multiple fibers simultaneously, often used in data centers.

Question 17

What is an RJ connector?

Answer 17

RJ11: Used for telephone connections.
RJ45: Used for Ethernet networking connections.

Question 18

What is an APC connector?

Answer 18

8-degree angled endface

reduce back reflection from light

Question 19

What is a UPC connector?

Answer 19

flat endface

Higher back reflection from light

Question 20

What is an F-type connector?

Answer 20

used for coaxial cable connections, typically for cable television and satellite signals.

RG-6

Question 21

What are media converters?

Answer 21

A Layer 1 devices that convert signals from one media type to another,

such as copper to fiber.

Question 22

What is a Small Form-factor Pluggable (SFP) transceiver?

Answer 22

1 Gbps.

Question 23

What is an Enhanced Small Form-factor Pluggable (SFP+) transceiver?

Answer 23

Supports up to 16 Gbps

Question 24

What is a Quad Small Form-factor Pluggable (QSFP) transceiver?

Answer 24

4 Gbps.

Can have four 1gbs channels

Question 25

What is an Enhanced Quad Small Form-factor Pluggable (QSFP+) transceiver?

Answer 25

Four channels of four 10gbps=40 gbps

Question 26

What is a patch panel/patch bay?

Answer 26

Punch down on one-side and RJ-45 on the other

Question 27

What is a fiber distribution panel?

Answer 27

Permanent fiber installation Prevents breaks from bends

Question 28

What is a punchdown block?

Answer 28

A punchdown block is a type of electrical connection used for wiring, where wires are inserted into the block and "punched down" to make contact.

Question 28

66 block:

Answer 28

Used for analog voice/telephone low-speed data networks Replaced by 110 blocks

Question 29

110 block

Answer 29

Wire-to-wire patch panel Replaced 66 blocks Supports CAT 5 and CAT 6 cables

Question 30

Krone block

Answer 30

A European alternative to 110 blocks, used for telecommunications and networking.

Question 31

Bix block

Answer 31

Used for telephone and data communication in Canada

Question 32

10BASE-T

Answer 32

CAT3 10 Mbps Ethernet over twisted-pair cables 100 meters

Question 33

100BASE-TX

Answer 33

CAT5 100 Mbps Fast Ethernet over twisted-pair cables 100 meters

Question 34

1000BASE-T

Answer 34

CAT5e 1 Gbps Gigabit Ethernet twisted-pair cables. 100 meters

Question 35

10GBASE-T

Answer 35

CAT6 CAT6A (100 METERS Shielded/Unshielded) 10 Gbps Ethernet twisted-pair cables. Unshielded: 55 meters Shielded: 100 meters

Question 36

40GBASE-T

Answer 36

Cat8 40 Gbps Ethernet twisted-pair cables 30 meters

Question 37

100BASE-FX

Answer 37

100 Mbps multimode fiber Laser Lights Half Duplex 400 meters Full Duplex 2 kil

Question 38

100BASE-SX

Answer 38

100 Mbps multimode fiber LED Lights Cheaper 300 meters

Question 39

1000BASE-SX

Answer 39

1 Gbps Ethernet over short-wavelength multimode fiber.

Question 40

1000BASE-LX

Answer 40

1 Gbps Ethernet over long-wavelength single-mode fiber

Question 41

10GBASE-SR

Answer 41

10 Gbps Ethernet over short-range multimode fiber

Question 42

10GBASE-LR

Answer 42

10 Gbps Ethernet over long-range single-mode fiber

Question 43

What is Coarse Wavelength Division Multiplexing (CWDM)?

Answer 43

CWDM is a method of combining multiple wavelengths onto a single fiber, allowing for increased bandwidth over existing fiber networks

Question 44

What is Dense Wavelength Division Multiplexing (DWDM)?

Answer 44

DWDM is a high-capacity method of combining multiple wavelengths onto a single fiber, allowing for very high data rates over long distances.

Question 45

What is Bidirectional Wavelength Division Multiplexing (WDM)?

Answer 45

Bidirectional WDM allows for simultaneous two-way communication on a single fiber by using different wavelengths for each direction.