Types Of Transmission Media

Question 1

What are the two types of transmission media?

Answer 1

Wired and Wireless Media

Question 2

What are the types of wired media?

Answer 2

Twisted-Pair Cable
Coaxial Cable
Fiber Optic Cable

Question 3

What is a twisted-pair cable?

Answer 3

It is cheap and easy to install but its slow and it is used for small data transfers.

Question 4

What is the twisted pair cable made of?

Answer 4

Pairs of solid or stranded copper related among eachother to reduce vulnerability to noise and interference

Question 5

What are the two types of twisted pair cables and which one is used for telephone cables?

Answer 5

Unshielded and shielded twisted pair.

Unshielded is common in telephone cables

Shielded has mesh shielding that protects it from electromagnetic interference for a high transmission rate.

Question 6

What is a coaxial cable?

Answer 6

It is faster than twisted pair and its used for tv, voice and video transmissions and large data transmission.

Question 7

What is a fiber optic cable

Answer 7

Thin cables that light passes through to transmit data. It is expensive but very fast and accurate.

Question 8

How many messages can a fiber optic cable carry?

Answer 8

Up to 10 million messages at a time using light pulses