APC APC Certifications DU0-001 Questions & Answers

• Question 91:

  Which approach is used to redundantly power IT servers?

  A. Dual power whips

  B. Dual cord, dual power supply

  C. Both 120 V and 208 V circuits

  D. Both solid and stranded copper cables

  Correct Answer: B

• Question 92:

  What statement accurately describes the term "continuous load"?

  A. A load left on for 3 consecutive hours or more

  B. A load supported by a direct feed from the utility

  C. A load that supports a continuous run of 208 V cables

  D. A load that consists of components that support both AC and DC power

  Correct Answer: A

• Question 93:

  Which statement describes a difference between fiber and copper cabling?

  A. Copper is generally less expensive than fiber for long runs.

  B. Copper is generally less expensive than fiber for short runs.

  C. Signals can be transmitted longer distances over copper than multi-mode fiber.

  D. Signals can be transmitted longer distances over copper than single-mode fiber.

  Correct Answer: B

• Question 94:

  Which type of multimode fiber is commonly used to support longer runs of 10 Gigabit Ethernet?

  A. 9/125 rapid grade

  B. 62.5/125 FDDI grade

  C. 50/125 laser optimized

  D. 25/125 AWG optimized

  Correct Answer: C

• Question 95:

  Which represents the highest expense when pricing out a cabling solution?

  A. Delivery cost

  B. Installation cost

  C. Inventory and storage cost

  D. Patch cable maintenance cost

  Correct Answer: B

• Question 96:

  Regarding power cabling, what is the minimum number of wires in a factory configured power whip?

  A. 2 wires -- one hot and one ground

  B. 5 wires -- two hot, two neutral, and one ground

  C. 3 wires -- one hot, one neutral, and one ground

  D. 4 wires -- two hot, one neutral, and one ground

  Correct Answer: C

• Question 97:

  Which three are network topologies? (Choose three)

  A. Star

  B. Ring

  C. Tree

  D. Wheel

  E. Pyramid

  Correct Answer: ABC

• Question 98:

  Which network topology does IEEE 802.3 UTP/STP Ethernet use?

  A. Star

  B. Ring

  C. Tree

  D. Wheel

  Correct Answer: A

• Question 99:

  Consider a data center installation where circuit panels are installed at the end of each row of IT racks. Conduit is then run from power distribution units (PDUs) to the circuit panels and then to a subset of connections to the racks.

  What are the two primary advantages to this power cabling approach? (Choose two.)

  A. It improves electrical efficiency.

  B. Shorter electrical conduit makes it easier to manage.

  C. It is more resistant to physical accident in the data center.

  D. It is compatible of with all makes and models of racks / enclosures.

  Correct Answer: BC

• Question 100:

  What two characteristics can result in poor performance of network cables? (Choose two.)

  A. Tie wraps that are too tight

  B. Vertical cable management

  C. A bend radius that is too small

  D. An overhead deployment with cables run in troughs

  Correct Answer: AC