Vol 3 URE Flashcards
(100 cards)
The thin plastic colored tape that spirals around a specific number of pairs that replicate in a cable is called a a. marker. b. bundle. c. casing. d. binder.
d. binder.
In telecommunications cables, the “tip” or “primary” color group order is
a. blue, orange, green, brown, and slate.
b. blue, green, yellow, red, and orange.
c. white, red, black, yellow, and violet.
d. white, blue, green, yellow, and violet.
c. white, red, black, yellow, and violet.
What colors make up the “ring” or “secondary” color code for telecommunications cables?
a. Blue, orange, green, brown, and slate.
b. Blue, green, yellow, red, and orange.
c. White, red, black, yellow, and violet.
d. White, blue, green, yellow, and violet.
a. Blue, orange, green, brown, and slate.
What standard do most newly installed network cables follow?
a. N586B.
b. N568C.
c. T586C.
d. T568B.
d. T568B.
Two types of network cables are
a. straight through and crossover.
b. straight through and flip/flop.
c. high and low baud.
d. “n” and “g.”
a. straight through and crossover.
How do you determine which type of fiber optic cable lubricant to use during installation?
a. Always use a high detergent based lubricant.
b. Refer to the manufacturers product data.
c. Cable lubricants should not be used.
d. Use a lubricant that dries quickly.
b. Refer to the manufacturers product data.
What device is used to secure the pulling line to the strength members of the cable?
a. Pulling grip.
b. Raceway.
c. Conduit.
d. Swivel.
a. Pulling grip.
When installing fiber optic cable on a horizontal run, the cable must be secured every
a. 18 inches.
b. 24 inches.
c. 36 inches.
d. 48 inches.
c. 36 inches.
How is unauthorized access to the configuration screens of a channel bank prevented?
a. Key card.
b. Biometric access.
c. Password protection.
d. No additional security is needed because they are only used in secure environments.
c. Password protection.
Why is it important for a channel bank to have a modular design?
a. It allows connection of single based devices.
b. It allows expansion with minimal cost.
c. It makes routine maintenance easier.
d. Leased lines are less expensive.
b. It allows expansion with minimal cost.
Any repair of electronic equipment should begin with
a. failure analysis.
b. troubleshooting.
c. symptom recognition.
d. listing probable faulty functions.
c. symptom recognition.
Which troubleshooting method traces the system path, in order, step-by-step, until the problem is found? a. Linear. b. Half-split. c. Sequential. d. Divide and conquer.
c. Sequential.
Which troubleshooting method divides the circuit in half with each step?
a. Linear.
b. Half-split.
c. Sequential.
d. Divide and conquer.
b. Half-split.
What test can determine if a cable is operating correctly?
a. Capacitance.
b. Inductance.
c. Continuity.
d. Voltage.
c. Continuity.
What additional step is required when troubleshooting a multi-wire cable that is not
required when troubleshooting a single-wire cable?
a. Ensure no continuity of the ground wire.
b. Ensure continuity between the center conductor and the connector.
c. Ensure no continuity between the wire under test and any additional wire.
d. Ensure continuity between the wire under test and all additional wires in the cable.
c. Ensure no continuity between the wire under test and any additional wire.
A reading of zero during a continuity test indicates
a. there is a break in the cable.
b. there is a short between two wires in the cable.
c. the signal does not make it to the end of the cable.
d. the signal travels down the entire length of the cable uninterrupted.
d. the signal travels down the entire length of the cable uninterrupted.
What are the three main functions of grounding?
a. Personnel safety, equipment protection, and noise reduction.
b. Signal amplification, personnel safety, and emissions security.
c. Equipment protection, signal amplification, and capacitance reaction.
d. Corrosion prevention, emissions security, and over-voltage protection.
a. Personnel safety, equipment protection, and noise reduction.
Which facility ground subsystem uses surge arrestors?
a. Earth electrode.
b. Fault protection.
c. Signal reference.
d. Lightning protection.
d. Lightning protection.
What facility ground subsystem is also called the safety ground?
a. Earth electrode.
b. Signal reference.
c. Fault protection.
d. Lightning protection.
c. Fault protection.
Establishing a low-impedance path between two metal surfaces is called
a. bonding.
b. shielding.
c. annealing.
d. grounding.
a. bonding.
Bonds in the earth electrode subsystem normally are direct permanent bonds and do not
exceed a resistance of how many milliohms (mΩ)?
a. 1.
b. 2.
c. 5.
d. 10.
a. 1.
What kind of bond is normally applied to signal reference bonds?
a. None.
b. Brazing.
c. Welding.
d. Mechanical.
d. Mechanical.
The two basic functions of shielding are to
a. equalize all electronic systems to the same potential and minimize compromising emanations.
b. prevent interference between multiple emanating systems and minimize compromising
emanations.
c. equalize all electronic systems to the same potential and block all emanations from exiting a
secure facility.
d. prevent interference between multiple emanating systems and block all emanations from
exiting a secure facility.
b. prevent interference between multiple emanating systems and minimize compromising
emanations.
The designation RED is applied to equipment processing what type information?
a. Clear-text classified.
b. Encrypted classified.
c. Clear-text unclassified.
d. Unencrypted unclassified.
a. Clear-text classified.
