APC APC Certifications DU0-001 Questions & Answers

• Question 101:

  Which two types of cables would you expect to see used in a network backbone?(Choose two.)

  A. Power cables

  B. Fiber optic cables

  C. Category 5/5e/6a cables

  D. Audio / video cables

  Correct Answer: BC

• Question 102:

  What function do patch panels serve in a data center?

  A. They convert Internet protocols (IP).

  B. They convert copper signals into fiber optic light signals.

  C. They serve as a demarcation point where ends of bulk cable converge.

  D. They improve the data cable signal capacity from 100 Base-T to 10 Gigabyte Ethernet.

  Correct Answer: C

• Question 103:

  Which statement describes a difference between fiber and copper cabling?

  A. Signals transmit further over fiber than copper.

  B. Fiber is prone to electrical interference but copper is not.

  C. Copper is more fragile than fiber when laying cable runs.

  D. Signals over copper can travel at speeds approaching the speed of light.

  Correct Answer: A

• Question 104:

  Which statement describes the capability of a data cable installation?

  A. Category 5 cable can support 1 Gigabit Ethernet.

  B. Category 5e cable can support 1 Gigabit Ethernet

  C. Category 6a cable can support 10 Gigabit Ethernet.

  D. Category 6a cable can support 100 Gigabit Ethernet.

  Correct Answer: C

• Question 105:

  Which is the most common high speed data network found in data centers?

  A. FDDI

  B. Arcnet

  C. Ethernet

  D. Token ring

  Correct Answer: C

• Question 106:

  Data cabling infrastructure consists of which broad categories of cable?

  A. Data cables and power cables

  B. Fiber cables and copper cables

  C. Solid cables and stranded cables

  D. Category (CAT) 5 cables and category (CAT) 6 cables

  Correct Answer: A

• Question 107:

  In network data cabling, what is currently the medium of choice for short cable runs?

  A. Arcnet

  B. Copper

  C. Ethernet

  D. Twisted pair

  Correct Answer: B

• Question 108:

  The power cable should be marked, at minimum, with which two pieces of information? (Choose two.)

  A. The source PDU

  B. The date installed

  C. The circuit breaker it is fed from

  D. The voltage capacity of the cable

  Correct Answer: AC

• Question 109:

  Given a constant voltage, as the amperage increases, what must happen to the cross- sectional area of a wire?

  A. It needs to be larger.

  B. It needs to be smaller.

  C. It decreases with the square of the current.

  D. Nothing, since the voltage has not changed.

  Correct Answer: A

• Question 110:

  Which two statements are true of fiber cabling versus copper? (Choose two.)

  A. Fiber cable provides faster connection speeds.

  B. Fiber cable is not prone to electrical interference.

  C. Fiber cable is generally less expensive for shorter distances.

  D. Fiber cables are thicker than copper cables, but they weigh less.

  Correct Answer: AB