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Huawei H19-311 - Huawei Certified Pre-sales Associate- Data Center Facility

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Total 225 questions

For the UPS2000-G series (6 kVA to 20 kVA), the main input voltage ranges from 80 V to 280 V, and the input frequency ranges from 40 Hz to 70 Hz. A wide input range effectively reduces the battery switch times, failure probability, and battery charge/discharge times, helping improve the battery life.

A.

TRUE

B.

FALSE

Which of the following conditions shall be considered whencalculating the UPS rated inputcurrent?

(Multiple Choice)

A.

UPS rated output apparent power

B.

UPS operating nominal efficiency

C.

Battery inversion efficiency

D.

UPS battery charging efficiency

Which of the following countries can the UPS5000-E (25-125 kVA) be sold to? (Multiple Choice)

A.

China and Asian-Pacific region

B.

Middle East and North Africa

C.

The Commonwealth of the Independent States and Europe

D.

North America

A wide input range effectively reduces the battery switch times, failure probability, and battery charge/discharge times, helping improve the battery life. The input voltage range of the UPS2000-G series (6 kVA to 20 kVA) is ( ).

A.

80-280 V

B.

120-280 V

C.

120-300 V

D.

160-300 V

The UPS2000-G supports low voltage disconnection. Which of the following is not a function of low voltage disconnection? ()

A.

When overload occurs, secondary loads are closed to remove the overload.

B.

When the UPS2000-G is powered by batteries, secondary loads are closed to prolong the backup time for important loads.

C.

When the UPS2000-G is powered by batteries, secondary loads are closed for battery protection.

D.

The purpose of closing secondary loads is to adjust the load ratio and optimize the operating efficiency.

The UPS2000-G series (6 kVA to 20 kVA) supports backup power supplied from battery packs and battery racks. Battery packs can be mounted on racks to save installation space.

A.

TRUE

B.

FALSE

Which of the following are the standard battery packs for the UPS2000-A-10KRTL? ( ) (Multiple Choice)

A.

7Ah

B.

9Ah

C.

11 Ah

D.

13 Ah

Which of the following alarms can the UPS5000-A dry contact expansion card set? (Multiple Choice)

A.

Bypass power supply

B.

Battery supply

C.

Battery undervoltage

D.

D.G. controlling

E.

Door sensor

When using a UPS5000-E (50 kVA power module) with the actual load of 160 kW, 1+1 rack redundancy, and single UPS backup solution, each rack uses three battery strings, each battery string consists of 40 batteries, and the main switch box capacity is ().

A.

250A

B.

320 A

C.

500 A

D.

630 A

Which of the following are the monitoring methods used by the UPS2000-A series (6 kVA to 10 kVA) with an SNMP card? (Multiple Choice)

A.

NetEco

B.

WebUI

C.

SMU2000