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An analog signal varies in what two aspects? - ANSWER -
amplitude and
frequency
What device converts a computers digital signals into 1s and 0s
into two separate analog frequencies for transmission on a
standard telephone line? -
ANSWER -Modem
What type of coaxial cable is used for video in backbone
distribution? -
ANSWER -
Series 11
What type of BNC connector is not recommended for any
install? - ANSWER -
Screw
on
,What type of coaxial connector cannot be used with cables that
have stranded
center conductors? - ANSWER -F
connectors
What type of construction allows the cable jacket to expand
and contract with changes in temperature without affecting the
fibers? - ANSWER -Loose tube
What are the two ways of coupling fibers? - ANSWER
-plug to plug
plug to
jack
Hierarchy of codes, standards, and regulations -
ANSWER -AHJ
Codes and
regulations
Standards
Industry best
practices
Manufacturer
instructions
What are the two common depths for telecommunications
racks? - ANSWER -4
inch and 6
inch
, a _ conduit terminates in a vertical orientation - ANSWER -stub-
up
a _ conduit terminates in a horizontal orientation - ANSWER -
stub-out
How many backbone levels are in a horizontal cabling system?
- ANSWER -2
levels
What is the minimum number of cables per work area? -
ANSWER -2, voice
and
data
What is the maximum length of a patch cord? - ANSWER -16.5 ft
What is the maximum length of a horizontal optical fiber cable?
- ANSWER -295 ft
Undercarpet cable is - ANSWER -not recommended
Whats the purpose of a consolidation point (CP)? - ANSWER -
allows horizontal
cabling to be extended into work area
pathways
Tags - ANSWER -attached to mounting surface
Label - ANSWER -consist of face stock material