3.2 Peripheral Cables

Question 1

What does USB stand for?

Answer 1

Universal Serial Bus.

USB is a standard for connecting peripherals to computers.

Question 2

What type of devices commonly use USB connections?

Answer 2

• Peripherals such as keyboards
• Mice
• Printers
• External storage

USB connections are widely used for various devices.

Question 3

What were the speeds of USB 1.1?

Answer 3

• Low speed: 1.5 Mbps
• Full speed: 12 Mbps

USB 1.1 was one of the earliest versions of the USB standard.

Question 4

What is the maximum speed of USB 2.0?

Answer 4

480 Mbps.

USB 2.0 significantly improved data transfer rates compared to USB 1.1.

Question 5

What speed did USB 3.0 introduce, and what is it called?

Answer 5

5 Gbps, called ‘SuperSpeed.’

USB 3.0 marked a major advancement in speed.

Question 6

What are the faster versions of USB 3.x?

Answer 6

• USB 3.1 (10 Gbps)
• USB 3.2 (20 Gbps)

These versions provide even higher data transfer rates.

Question 7

Name the common USB connector types.

Answer 7

• USB-A plug
• USB-B plug
• Mini-B
• Micro-B

Different types of connectors are used for various devices.

Question 8

What is USB-C?

Answer 8

A standardized, reversible USB connector that replaces older USB types.

USB-C is designed for ease of use and versatility.

Question 9

Does USB-C specify signal type?

Answer 9

No, it only specifies the physical interface.

This allows for various protocols to be used over USB-C.

Question 10

What are common serial cable connectors?

Answer 10

• DB9
• DB25

These connectors are used in legacy serial communication.

Question 11

What standard do serial cables use for communication?

Answer 11

RS-232.

RS-232 is a standard for serial communication.

Question 12

What devices commonly used serial cables?

Answer 12

• Older switches
• Routers
• Legacy equipment console ports

Serial cables were widely used before USB became standard.

Question 13

How can modern devices connect to old serial interfaces?

Answer 13

Using USB to DB9 adapter cables.

This allows newer devices to communicate with legacy systems.

Question 14

What is Thunderbolt?

Answer 14

A high-speed serial connection that carries both data and power.

Thunderbolt technology is used for high-performance peripherals.

Question 15

What connector did Thunderbolt 1 and 2 use, and what was the total throughput?

Answer 15

Mini DisplayPort connector, 20 Gbps total throughput.

This allowed for high-speed data transfer and video output.

Question 16

What connector does Thunderbolt 3 use, and what is its throughput?

Answer 16

USB-C connector, 40 Gbps aggregated throughput.

Thunderbolt 3 offers significant improvements in speed and versatility.

Question 17

What advanced feature does Thunderbolt support for multiple devices?

Answer 17

Daisy-chaining.

This allows multiple devices to be connected in series.

Question 18

What improvements does Thunderbolt 4 have over Thunderbolt 3?

Answer 18

• Maintains 40 Gbps throughput
• Supports dual 4K displays
• Increases PCI Express bandwidth

Thunderbolt 4 enhances performance and capabilities.

Question 19

Which cable is still commonly used for legacy console access?

Answer 19

Serial cables (DB9/DB25).

These cables are essential for accessing older equipment.

Question 20

Which USB version is best for maximum modern peripheral speed?

Answer 20

USB 3.2 (up to 20 Gbps).

USB 3.2 provides the highest data transfer rates among USB versions.

Question 21

Which peripheral cable standard supports both data and power in a single high-speed connection?

Answer 21

Thunderbolt.

Thunderbolt technology allows for efficient power and data transfer.