COMPUTER NETWORKING

PHYSICAL LAYER AND TRANSMISSION MEDIA

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of network cable is commonly used in backbone networks and telephone companies?
A
Coaxial cable
B
Fiber-optic cable
C
Twisted-pair cable
D
Shielded twisted-pair cable
Explanation: 

Detailed explanation-1: -Cat5. Introduced in 1995, Cat5 twisted-pair cables support a data transmission rate of up to 100 Mbps. They are suitable for 100Base-T Ethernet networks. They are capable of transmitting video, data, and telephone signals and are used in backbone cabling and telephone lines.

Detailed explanation-2: -With the emerge of Gigabit Ethernet and 10 Gigabit Ethernet, fiber optic cable is the most appropriate choice for backbone cabling since they provide much higher bandwidth than traditional Cat5, Cat6 or even Cat7 twisted pair copper cables.

Detailed explanation-3: -UTP cable is the most popular type of network cable. It is easy to work with, install, expand and troubleshoot. UTP cables typically contain four pairs of copper wires, with each pair containing two wires twisted together.

Detailed explanation-4: -Shielded Twisted Pair (STP) Cable.

There is 1 question to complete.