FUNDAMENTALS OF COMPUTER

TELECOMMUNICATIONS SYSTEMS

HOW STAR BUS RING MESH TOPOLOGY CONNECT COMPUTER NETWORKS IN ORGANIZATIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following cable types is most susceptible to cross talk?
A
UTP
B
STP
C
Coaxial
D
Fibre Optic
Explanation: 

Detailed explanation-1: -Crosstalk occurs on twisted-pair cable.

Detailed explanation-2: -As it relates to structured cabling, crosstalk is electromagnetic interference from one unshielded twisted pair (UTP) to another. Typically, it occurs because they are running in close proximity to each other.

Detailed explanation-3: -Crosstalk can appear due to any imperfection in the fiber and in the optical circuitry of the transmitter and receiver. In this paper, we propose a new method for reducing the effect of crosstalk even in the case of high-speed long-distance transmission.

Detailed explanation-4: -Crosstalk in optical networks occurs when the optical power associated with one channel starts appearing in another channel or adjacent channel. The signals appearing in the adjacent channels are noises with respect to the original signals in that channel.

Detailed explanation-5: -Crosstalk – Crosstalk occurs when a signal transmitted on one copper twisted pair in a bundle radiates and potentially interferes with and degrades the transmission on another pair. Left unchecked, this can reduce the signal to noise ratio (SNR), and historically was a limiting factor to transmission over copper.

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