COMPUTER NETWORKING

PHYSICAL LAYER AND TRANSMISSION MEDIA

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the major factor that makes coaxial cable less susceptible to noise than twisted-pair?
A
inner conductor
B
diameter of the cable
C
outer conductor
D
insulating material
Explanation: 

Detailed explanation-1: -It differs from other shielded cables because the dimensions of the cable and connectors are controlled to give a precise, constant conductor spacing, which is needed for it to function efficiently as a transmission line.

Detailed explanation-2: -Coaxial cables are better protected from crosstalk and electromagnetic interference because of their overall structure and excellent metal shielding. Twisted pair cables offer only mild protection that is negligible. It is the lowest protection among all types of network cables on the market.

Detailed explanation-3: -Such a signal is highly susceptible to external noise sources such as background radio frequency emitters that are generally present in environments containing different electronic devices. The main mechanism is the pickup of energy by the signal cable through electromagnetic interactions.

There is 1 question to complete.