Exam Prep Questions and Verified Answers
100% Correct Grade A
QUESTION
Grounding and protection are required in two places. One is in the equipment room or
telecommunications closet. Where is the other?
Answer:
Building entrance.
QUESTION
When a circuit is cross-connected to a customer's equipment or telephones, it is
tagged for identification. Where else are telephone numbers and line positions on the
embedded multimedia terminal adapter (EMTA) noted?
Answer:
On the orange cover of the 66-block.
QUESTION
Why is the T568A wiring configuration recommended over the T568B wiring
configuration?
Answer:
The T568A configuration is backward compatible with Universal Services Ordering Code
(USOC) RJ-XX wiring
QUESTION
Which pins are often not installed in a RJ-11 jack?
Answer:
,Pins 1 and 6.
QUESTION
In a T568A wiring scheme for a four-pair connection, which pair uses white/brown for
tip and brown/white for ring?
Answer:
Pair 4.
QUESTION
When installing a 66-block, which mounting guidelines should be followed?
Answer:
A mount support bracket (also called a stand-off bracket) should be installed to help
provide needed clearances.
QUESTION
What is a main distribution frame?
Answer:
A wiring arrangement that connects outside and internal telephone lines.
QUESTION
What is the maximum pulling tension for a four-pair unshielded twisted-pair (UTP) CAT-
5e cable?
Answer:
25 lbs.
QUESTION
When running unshielded twisted-pair (UTP) cable, it is critical that
,Answer:
The minimum bend radius be maintained to no less than 4 times the outside diameter.
QUESTION
If a 66-block has a green cover, what does that designate?
Answer:
Network connections.
QUESTION
What code covers the installation of station jacks?
Answer:
Universal Service Ordering Code (USOC).
QUESTION
Which tool is used to force down a twisted pair conductor in an insulation displacement
connector (IDC) termination?
Answer:
Punch down tool.
QUESTION
When stripping unshielded twisted-pair (UTP) cable, what is one factor that must be
taken into account to ensure proper stripping?
Answer:
Jacket thickness varies because of flame rating and manufacturer.
, QUESTION
The IDEAL Pathfinder Tester is made up of:
Answer:
One main unit and up to four remote modules.
QUESTION
One of the functions of the IW (inside wire) cable tester is to:
Answer:
Test line cords that connect the customer premises equipment (CPE) to modular data
and telephone jacks.
QUESTION
When using a twisted-pair cable tester, a green condition means:
Answer:
Continuity exists throughout the circuit pair without faults.
QUESTION
A wire map field cable tester can include a time domain reflectometer (TDR) to
determine the distance to any breaks, shorts, or missed wires. In what situations can
the tester be used?
Answer:
It is used to certify structured wiring in commercial buildings and can be used to verify
inside wire (IW) in residential settings.
QUESTION
Which of the following best describes how a wiremap tester checks pin-to-pin
continuity?
Answer: