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Huawei H19-311 Huawei Certified Pre-sales Associate- Data Center Facility Exam Practice Test

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Total 225 questions

Huawei Certified Pre-sales Associate- Data Center Facility Questions and Answers

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Question 1

Which of the following advantages does the UPS5000-A have compared with the NXP, 9395, and Galaxy 7000? (Multiple Choice)

Options:

A.

Input voltage range

B.

Efficiency

C.

Floor area

Question 2

Which of the following statements is correct about the UPS5000-S at lowloads? (Multiple Choice)

Options:

A.

The system efficiency is 95% at 20% loads.

B.

The system efficiency is 96.5% at 20% loads.

C.

The system efficiency is 96% at 40% loads.

D.

The system efficiency is 97% at 40% loads.

Question 3

The THDV of the UPS5000-A at full linear loads is ().

Options:

A.

0.01

B.

0.02

C.

0.03

D.

0.05

Question 4

The UPS5000-A features wide voltage and frequency input range. It can be used in severe grid environments and extend the battery service life. What's the maximum input voltage range of the UPS5000-A?

Options:

A.

138-85 V

B.

305-85 V

C.

240-80 V

Question 5

The output power factor of the UPS5000-A-400/500K is (), which can be applicable to new IT loads and greatly improve the loading capacity.

Options:

A.

0.9

B.

0.95

C.

0.8

D.

1

Question 6

By default, how many PDUs are configured for one cabinet of the FusionModule2000? ( )

Options:

A.

1

B.

2

C.

3

D.

4

Question 7

What is the maximum number of U cabinets used by the FusionModule2000 with a built-in UPS (N+l power architecture)? ()

Options:

A.

12

B.

24

C.

42

D.

48

Question 8

Battery strings of different brands and the same capacity can be used in parallel.

Options:

A.

TRUE

B.

FALSE

Question 9

The maximum capacity of a single-racked UPS5000-E (50 kVA power module) is 300 kVA.

Options:

A.

TRUE

B.

FALSE

Question 10

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

(Multiple Choice)

Options:

A.

UPS rated output apparent power

B.

UPS operating nominal efficiency

C.

Battery inversion efficiency

D.

UPS battery charging efficiency

Question 11

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

Options:

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.

Question 12

Which of the following Eaton products is similar to the UPS5000-A 30-120 kVA?

Options:

A.

9395

B.

NXR

C.

9390

Question 13

UPS spare parts cannot be configured with Unistar SCT.

Options:

A.

TRUE

B.

FALSE

Question 14

The DC cable voltage drop must be within ( ).

Options:

A.

0.01

B.

0.02

C.

0.03

D.

0.05

Question 15

Which of the following types does the UPS5000-A belong to?

Options:

A.

High frequency UPS and modular UPS

B.

High-frequency tower-mounted UPS

C.

Industrial frequency UPS

Question 16

Electric cables are determined on actual project requirements during UPS configuration.

Options:

A.

TRUE

B.

FALSE

Question 17

For the 6-kVA UPS2000-G, a 1+1 parallel system requires () DB15 parallel cables to ensure that each UPS is connected by at least two parallel cables and to enhance the parallel system reliability.

Options:

A.

0

B.

1

C.

2

D.

3

Question 18

Which of the following statements is incorrect about the configuration principle? (Multiple Choice)

Options:

A.

There is no need to consider the redundancy factor when designing the UPS basic capacity for a computer room.

B.

If loads of motor type are used, the UPS capacity shall be calculated with the rated power.

C.

Calculating the battery capacity with the galvanostatic method is preferred for short-time backup.

D.

For a power cable, the higher the redundancy is, the better the system reliability is.

Question 19

The rated loading capacity of a 2+1 parallel system is a maximum of () times the rated loading capacity of a single UPS.

Options:

A.

3

B.

2

C.

1.6

D.

1.2

Question 20

What is the maximum capacity of the UPS5000-E power module?

Options:

A.

20 kVA

B.

30 kVA

C.

40 kVA

D.

50 kVA

Question 21

The model of the UPS2000-G-6KRTL is ( ).

Options:

A.

6-kVA standard model, rack/tower convertible

B.

6-kVA long delay model, rack/tower convertible

C.

6-kVA standard model, rack-mounted

D.

6-kVA long delay model, tower-mounted

Question 22

The input power factor (full load) of the UPS5000A is (), which can efficiently reduce the pollution to the power grid and save the preceding power distribution investment.

Options:

A.

1

B.

>0.99

C.

>0.98

Question 23

The UPS5000-E has good scalability, supporting a maximum of () UPSs to be used in parallel.

Options:

A.

2

B.

4

C.

6

D.

8

Question 24

Which of the following statements are correct? (Multiple Choice)

Options:

A.

When configuring the UPS2000-G 15K and apply the 4+0 parallel system, you can use one SNMP card to realize monitoring.

B.

When configuring the UPS5000-E, you can use an unlimited number of modules in parallel.

C.

Batteries of different brands and capacities can be used together.

D.

When configuring the cable, you shall consider the voltage drop in the route.

Question 25

The UPS5000-A features industry-leading reliability. Which of the following statements is correct about the UPS5000-A reliability design? (Multiple Choice)

Options:

A.

Strong power grid adaptability, 138-485 V voltage input range

B.

Conformal coated board

C.

Test guarantee of 1,400 items

D.

40°C without derating

Question 26

Multiple input/output systems can meet the requirements in customers' power grid application scenarios. What input/output systems does the 10-kVA UPS2000-G support? (Multiple Choice)

Options:

A.

Single-phase input and single-phase output

B.

Single-phase input and three-phase output

C.

Three-phase input and three-phase output

D.

Three-phase input and single-phase output

Question 27

The built-in SNMP and ModBus card of the UPS5000-A reduce management investment costs for clients.

Options:

A.

TRUE

B.

FALSE

Question 28

Which of the following parallel system does the UPS5000-A support? (Multiple Choice)

Options:

A.

N+X parallel system

B.

Dual-bus system

C.

Parallel system not supported

Question 29

The optional components and features in the typical configuration solution of the FusionModule800 include ().

Options:

A.

Temperature and humidity sensor, door status sensor, water sensor, smoke sensor, and mobile app

B.

Smoke sensor, door status sensor, water sensor, alarm notification over short messages, and Huawei tablet

C.

Door magnetic switch, Water leakage, Video system. Power backup system, iBattery, Mobile APP (remote), Emergency fans

Question 30

The UPS5000-S efficiency is ().

Options:

A.

0.96

B.

0.965

C.

0.971

D.

0.975

Question 31

According to related standards and regulations, the AC cable voltage drop must be within 3%. You are advised to control the AC cable voltage drop within () when designing the UPS system.

Options:

A.

0.01

B.

0.02

C.

0.03

D.

0.05

Question 32

The height of the UPS2000-G battery pack is ( ).

Options:

A.

1U

B.

2U

C.

3U

D.

4U

Question 33

Which of the following statements are correct about the UPS5000-A (30-120 kVA) reliability? (Multiple Choice)

Options:

A.

6 kV/5 kA lightning protection design

B.

Wide input voltage range

C.

High inverter overload capability

D.

Conformal coating technology

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Total 225 questions