2.1 Cabling, tranciever, termination shit

Question 1

RG-6

Answer 1

Used for Cable internet/TV
Coaxial
F-connector

Question 2

RG-59

Answer 2

Used for short distances
Coaxial
F-connector

Question 3

BNC

Answer 3

Connector for DS3/T3 WAN coaxial cables

Question 4

F-connector

Answer 4

RG-6, RG-59

CATV/cable modem/DOCSIS modem

Question 5

RJ-45

Answer 5

Ethernet twisted pair, 8 position 8 pin.

Question 6

RJ-11

Answer 6

Telephony twisted pair, 6 position 2 pin.

Question 7

DB-9

Answer 7

RS-232. Used for asynchronous serial communications and connecting to an external modem.

Question 8

RS-232

Answer 8

Serial communications, DB-9/DB-25 connector.

Question 9

Cat3

Answer 9

10 Mbps
10BASE-T
Only 2 pairs.

Question 10

Cat5

Answer 10

(Identical to cat5e)

1 Gbps (1000 Mbps)
1000BASE-T

Question 11

Cat5e

Answer 11

(Identical to cat5)

1 Gbps (1000 Mbps)
1000BASE-T

Question 12

Cat6

Answer 12

10 Gbps up to 55m

10GBASE-T

Question 13

Cat6a

Answer 13

10 Gbps

10GBASE-T

Question 14

Cat7

Answer 14

10 Gbps
10GBASE-T
Additional EMI and crosstalk resistance over cat6a

Question 15

1000BASE-T

Answer 15

“gigabit ethernet”
uses ALL pairs
cat5, cat5e

Question 16

10GBASE-T

Answer 16

cat6, cat6a, cat7

Question 17

1000BASE-LX

Answer 17

1 Gbps fiber optic ethernet;
multi-mode = 550m
single-mode = 5km

Question 18

1000BASE-SX

Answer 18

1 Gbps fiber optic ethernet;
220m-500m
usually used for mmf

Question 19

MMF

Answer 19

Multimode fiber, shorter range up to 2km.

Often used for server patch cabling.

Question 20

SMF

Answer 20

Singlemode fiber, long range up to 100km

Question 21

What two fiber connectors are used to control light loss?

Answer 21

UPC

APC

Question 22

UPC

Answer 22

Ultrapolished connector, 0 degree angle.

High return loss, lower insertion loss.

Question 23

APC

Answer 23

Anglepolished connector, 8 degree angle.

Low return loss, higher inseration loss.

Question 24

ST

Answer 24

Straight tip

bayonet connector with long tip and twisted in

Question 25

SC

Answer 25

Subscriber Connect/Square | Keyed so it can only go in one way

Question 26

LC

Answer 26

Lucent Connector/Little Can be dual connectors with individuals TX/RX, or single connectors has "trigger"

Question 27

MT-RJ

Answer 27

Mechanical Transfer Registered Jack Smallest optic connector Has both TX/RX fibers in same cable Looks like RJ-45

Question 28

568A has what color first?

Answer 28

green

Question 29

568B has what color first?

Answer 29

orange

Question 30

What is a straight-through cable used for?

Answer 30

Connecting workstations to network devices, patch cables (unlike devices).

Question 31

What is a crossover cable used for?

Answer 31

Connecting similar devices.

Question 32

What is Auto-MDI-X?

Answer 32

Eliminates the need for straighthrough or crossover cables; crossover done in NIC hardware.

Question 33

What is 66 block?

Answer 33

Analogue voice Needs specialized punchdown tool No connectors

Question 34

What is 110 block?

Answer 34

Wire-to-wire patch panel Uses cat5/cat6 Needs connector blocks. RJ45 connectors on other side

Question 35

Duplex fiber transcievers, what is important to know about them?

Answer 35

Traffic can only flow one direction on each wire, therefore the transmit and reciever connectors must be reversed on both devices to allow communication.

Question 36

What is BiDi

Answer 36

Bi-Directional Transciever; | Fiber optic traffic can go in both directions across a single fiber, less runs needed.

Question 37

What is GBIC

Answer 37

Gigabit Interface Converter; | Copper and fiber transciever, large in size

Question 38

What is SFP/SFP+?

Answer 38

Small Form-factor Pluggable; Used for 1 Gbit fiber SFP+; Used for 10-16 Gbit networks

Question 39

What is QSFP?

Answer 39

Quad Small Form-factor Pluggable; | 4 channel SFP in one small connector, x4 the throughput

Question 40

What can be used to save money for fiber optic connections?

Answer 40

Using QSFP with Bi-Di transcievers to efficiently transfer data over a single run rather than having multiple runs.

Question 41

100BASE-TX

Answer 41

"fast ethernet" | cat5 or better, uses only TWO PAIRS of wires

Question 42

What is the difference between 100BASE-TX and 1000BASE-T?

Answer 42

100BASE-TX only uses 4 wires instead of all 8 like 1000BASE-T.