Chapter 13. Cables and Connectors

What is the maximum data transfer rate of Cat 5e?

Cat 5e: 1 Gbps

What is the bandwidth frequency of Cat 5e?

100 MHz

What is the maximum data transfer rate of Cat 6?

10 Gbps (up to 55 m)

What is the bandwidth frequency of Cat 6?

250 MHz

What is the maximum data transfer rate of Cat 6a?

10 Gbps (up to 100 m)

What is the bandwidth frequency of Cat 6a?

500 MHz

What is the pin 1 color in the T568B wiring standard?

White/Orange

What is the pin 2 color in the T568B wiring standard?

Orange

What is the pin 3 color in the T568B wiring standard?

White/Green

What is the pin 4 color in the T568B wiring standard?

Blue

What is the pin 5 color in the T568B wiring standard?

White/Blue

What is the pin 6 color in the T568B wiring standard?

Green

What is the pin 7 color in the T568B wiring standard?

White/Brown

What is the pin 8 color in the T568B wiring standard?

Brown

What is the pin 1 color in the T568A wiring standard?

White/Green

What is the pin 2 color in the T568A wiring standard?

Green

What is the pin 3 color in the T568A wiring standard?

White/Orange

What is the pin 4 color in the T568A wiring standard?

Blue

What is the pin 5 color in the T568A wiring standard?

White/Blue

What is the pin 6 color in the T568A wiring standard?

Orange

What is the pin 7 color in the T568A wiring standard?

White/Brown

What is the pin 8 color in the T568A wiring standard?

Brown

How is one end of a standard Ethernet crossover cable wired?

T568A

How is the other end of a standard Ethernet crossover cable wired?

T568B

Which pins are crossed in an Ethernet crossover cable?

Pins 1 and 2 are crossed with pins 3 and 6

How many positions and contacts does an RJ-45 connector have?

8-position, 8-contact (8P8C)

What is an RJ-45 connector primarily used for?

Ethernet

How many positions does an RJ-11 connector have?

6-position

How many contacts does an RJ-11 connector typically use?

4 contacts

What is an RJ-11 connector primarily used for?

Telephone lines

What type of cable is required in plenum spaces?

Plenum-rated cable

Why is plenum-rated cable required?

It has a fire-resistant Teflon jacket that releases minimal toxic smoke and fumes when burned

What physical feature distinguishes STP from UTP cable?

STP has internal metal foil shielding around the wire pairs

What is the purpose of STP shielding?

To reduce electromagnetic interference (EMI)

What additional requirement does STP have?

It must be properly grounded

Which coaxial cable is commonly used for cable internet?

RG-6

Which connector is used with RG-6 cable?

F-connector

What type of light source does single-mode fiber use?

Lasers

What type of light source does multimode fiber use?

LEDs or VCSELs

Which fiber type has the smaller core?

Single-mode

Which fiber type has the larger core?

Multimode

How far can single-mode fiber typically transmit?

Thousands of kilometers

How far is multimode fiber typically designed to run?

Up to 600 meters

What does the ST fiber connector stand for?

Straight Tip

How does an ST connector lock into place?

Bayonet twist

What does the SC fiber connector stand for?

Subscriber Connector

How does an SC connector connect?

Square push-pull

What does the LC fiber connector stand for?

Lucent Connector

How does an LC connector connect?

Small snap-lock

What is the maximum data transfer rate of USB 2.0?

480 Mbps

What is the maximum data transfer rate of USB 3.0?

5 Gbps

What is the maximum data transfer rate of USB 3.2 Gen 2x2?

20 Gbps

What is the maximum data transfer rate of USB4?

40 Gbps

What is the main physical advantage of USB-C?

It is reversible

How much current can USB-C support?

Up to 5 amps

What alternate signal can USB-C carry?

DisplayPort video

Which connector is used for RS-232 serial communication?

DE-9 (commonly called DB-9)

What is the maximum throughput of Thunderbolt 1?

10 Gbps

What connector does Thunderbolt 1 use?

Mini DisplayPort

What is the maximum throughput of Thunderbolt 2?

20 Gbps

What connector does Thunderbolt 2 use?

Mini DisplayPort

What is the maximum throughput of Thunderbolt 3?

40 Gbps

What connector does Thunderbolt 3 use?

USB-C

What is the maximum throughput of Thunderbolt 4?

40 Gbps

What connector does Thunderbolt 4 use?

USB-C

What does DVI-D support?

Digital only

What does DVI-A support?

Analog only

What does DVI-I support?

Both digital and analog

Which HDMI connector is Type C?

Mini-HDMI

Which HDMI connector is Type D?

Micro-HDMI

Which DisplayPort connector is designed for portable devices?

Mini DisplayPort

What is the common name for the DE-15 connector?

VGA

How many pins does a VGA connector have?

15

What type of video signal does VGA carry?

Analog

How many pins does a SATA data connector have?

7 pins

How many pins does a SATA power connector have?

15 pins

Which storage interface succeeded parallel SCSI?

SAS (Serial Attached SCSI)

What is the maximum transfer rate of SAS?

Up to 22.5 Gbps

What does an adapter do?

Changes only the physical connection

What does a converter do?

Translates one signal format into another