3D151 Volume 3 Flashcards
1
Q
Noise
A
Any unwanted electrical signal that is induced into a circuit in
2
Q
Shielded twisted pair (STP) expensive and tolerance for noise is low
A
Cable contains a mesh as well as an outer insulator that covers the insulated wired pairs
3
Q
UnShielded twisted pair (UTP) phone cable
A
Commonly used And is used where not much security is needed to
4
Q
Insertion loss (attenuation)
A
The measure of the decreased of signal strength as it travels down the media
5
Q
Near end crosstalk NEXT
A
Unwanted signal coupling from a transmitter
6
Q
Backbone cabling
A
Interconnection between telecommunication rooms, equipment rooms and entrance facilities
7
Q
What is the standard for labeling cables ?
A
606-A
