PHYSICAL LAYER AND TRANSMISSION MEDIA
TRANSMISSION MEDIA
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Communication without wires, in a straight line is accomplished using:
|
|
Twisted pairs
|
|
|
Microwaves
|
|
|
Satallite
|
|
|
Fibre Optics
|
Explanation:
Detailed explanation-1: -Wide area network – A wide area network (WAN) is a computer network that covers a large geographic area such as a city, country, or spans even intercontinental distances. A WAN uses a communications channel that combines many types of media such as telephone lines, cables, and air waves.
Detailed explanation-2: -A global network is any communication network which spans the entire Earth.
Detailed explanation-3: -Parallel processing is a method in computing of running two or more processors (CPUs) to handle separate parts of an overall task. Breaking up different parts of a task among multiple processors will help reduce the amount of time to run a program.
There is 1 question to complete.