Peripheral cables

Question 1

what is a USB?

Answer 1

Universal Serial Bus. A widely used standard for connecting and transferring data.

Question 2

What was the speed of USB 1.1?

Answer 2

low speed of 1.5 megabits/s and high speed of 12 megabits/s

Question 3

What is the speed of USB 2.0?

Answer 3

increased the total megabits to 480 megabits/s

Question 4

What is the speed of USB 3.0?

Answer 4

also called superspeed. it provides 5 gigbits per second over 3 meters.

Question 5

What are some common connectors for the USB 1.1/2.0 connectors.

Answer 5

1. standard A plug
2. Standard B plug
3. mini B plug
4. Micro B plug

Question 6

What are some examples of USB 3 connectors?

Answer 6

1. USB 3.0 Standard B plug
2. Standard A plug
3. Micro B plug

Question 7

What is the newest version of USB?

Answer 7

USB C

Question 8

What is a thunderbolt connection?

Answer 8

a high speed data and display interface developed by Intel. It allows for fast data transfer, video output and power delivery over a single cable.

Question 9

What types of cables can Thunderbolt use?

Answer 9

Thunderbolt signals can be sent over copper and fibre connections. If you’re using copper you have a maximum length of 3 metres. If its fibre you have a maximum length of 60 meters.

Question 10

Whats another interesting feature of Thunderbolt connection?

Answer 10

You can daisy chain 6 different devices together. You might only have a single thunderbolt connection on the back of your computer. But all of your peripherals may have multiple thunderbolt interfaces.

Question 11

What is a serial console cable?

Answer 11

a type of cable used to establish a connection between a computing device (such as computer, server, networking equipment or embedded system) and a serial port. This cable allows administrators and technicians to access the devices CLI or console for configuration, monitoring, troubleshooting and maintence purposes.

Question 12

What was used before USB?

Answer 12

9 pin and 25 pin serial connections. These were used to send RS232 signals.

Question 13

What is a DB-9 connector?

Answer 13

a common type of connector used for serial communication between devices. The DB stands for D-subminiature and the “9” refers to the number of pins. The DB 9 connector is often used for connecting devices with serial ports such as switches, routers and firewalls.