Free H12-411_V2.0-ENU HCIA-Data Center Facility V2.0 Real Questions

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1. UPS Common system configurations are N s y s t e m, N+X s y s t em,2N sy s t e m.

T rue

False

2. CO R RE C T TEXT

According to the storage methods of di f ferent electrolytes in batteries, it c an be divided into

with .

3. UPS It can purify the mains input, output stable AC, and protect the load.

T rue

False

4. When the sunroof actuator sen s es a smoke alarm, it cannot control the turning sunroof to open automaticall y .

T rue

False

5. The following air co n ditioners do not need to install cooling towers.

Air-cooled direct expansion air conditioner

W ater-cooled air conditioner

Air-cooled chilled water air conditioner

W ater-cooled chilled water air co n ditioner

6. CO R R E CT TEXT

The following Y es UPS N The advantages of the sys t em.

7. CO R RE C T TEXT

The valve-controlled sea l ed lead - acid battery safety valve has Function.

8. The ab br eviation for valve-r eg ulat e d lead-acid b attery is V R LA.

T rue

False

9. At present, storage batteries a re mainly installed in racks and cabinets in data centers.

T rue

False

10. The following are int e rfaces:.

DB25

RJ12

modbus

snmp

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11. The incre a se of cabinet power d ensity will lead to the emerg e nce of local hot spo t s in the computer room, and r o w-level air conditione r s can solve local problems. The hot spot is too high.

T rue

False

12. 12V The battery is made of 6 indivual 2V It is composed of battery cel ls .

T rue

False

13. In the data center power s upp l y and distribution system, the l ow-voltage circuit breaker with three-stage protection feature is used fo r .

Prevent b r anch circuit short circuit caused by br a nch circu i t overload

Prevent the main circu i t from being overloa d ed due to the s h ort circuit of the branch circuit

Prevent t h e main circu i t from break i ng due to branch circuit breaking

Prevent t h e main circu i t from break i ng due to a short circuit in the branch circuit

14. The hum i difier used in Huawe i 's row-level precision air conditioner is an infrared h umidifie r .

T rue

False

15. In the air conditioning system, the function of the oil and gas sepa r ator is to separa t e the lubricating oil from the compressor exh a ust and return the separa t ed lubricati n g oil to the compresso r .

T rue

False

16. CO R RE C T TEXT

Regarding the description of the data c enter cooling s y ste m , t h e following is

wrong.

17. The pr in ciple of the conden s er is to cool the high-pressure gaseous refr i gerant to release heat into a liquid state to realize the transfer and release of h e at.

T rue

False

18. same MCB Rated ultimate short - circuit breaking capacity o f c ircuit breaker LCU G en erally less than the rated o p erating shor t -circuit breaking capacity LCS.

T rue

False

19. CO R RE C T TEXT

Hua w ei Mon i toring Syst e m NETECO The north bo und interface can be acc e ssed

.

20. CO R R E CT TEXT

Suppo rt creating report tasks acco r ding to report templates.

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21. CO R R E CT TEXT

At the end of the discharge of lead-acid batteries, the voltage d r ops, and the positi v e and negative active materials are converted into .

22. CO R R E CT TEXT

Hua w ei chilled water air cond i tioners rely on to adjust the water flow .

23. CO R R E CT TEXT

For only having Modbus The po w er supply and d i stribution e q uip m ent of the agr e ement can be passed

Connec ted to the dynamic loop m o nitoring system.

24. H u awei Monitoring System NETECO The system does not support re m ote door o pe ning.

T rue

False

25. CO R R E CT TEXT

The followi n g Circu i t b reakers are usually used IT Low-voltage circuit br e aker for the l oad.

26. CO R R E CT TEXT

The followi n g outdoor u n i t mode l s belong to dual fans are _.

27. Wh e n the battery is in use, sunlight can directly shine on t h e batter y .

T rue

False

28. CO R R E CT TEXT

The followi n g parts can check wheth e r the refrige r ant contains moisture .

29. CORRECT TEXT

The following Y es UPS 2N. The advantages of the s y ste m .

30. Climbing personnel must be equipped with necessary safety belts that meet the safety requirement s , and use th e m correctly and reaso n ab l y according to the use re g ulations, while being sup e rvised.

T rue

False

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31. CO R RE C T TEXT

The core components of the refrigera t ion system mainly include .

32. DB9 It is an agreement.

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False

33. CO R R E CT TEXT

is u sed to ensure t hat t he fire extin g uishing age n t has been sprayed out in a specific jet form to promote the rapid g asification of the fire extinguishing agent and r e ach the fire extinguishing concentration in the prot ec ted space.

34. CO R RE C T TEXT

Not

parto f Huawei's monitoring system NETE C O Pro v ide monitoring fu nc tions.

35. The hum i difier used in Huawe i 's row-level precision air conditioner is an infrared h umidifie r .

T rue

False

36. CO R R E CT TEXT

The fire fighting system of the c o mputer room is mainly compos e d of

s y stem.

37. () is a fi r e detector that detects smoke particles.

temperature detector B V E SDA

S moke detector

sound a n d light alarm

38. CO R R E CT TEXT

According to the degree of equip m ent concentration, the air conditioning system can be divided into

.

39. The con d ensate of the air conditioner is formed by condensa t ion after the air warn i ng surface cooler cools down.

T rue

False

40. The following air co n ditionin g , wh i ch is comfort air conditioning?

room dedicated air conditioning B Clean air conditioni n g

Commercial air conditioners

Medical air conditioni n g

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41. H u awei Monitoring System NETE C O Support hierarchical network management function.

T rue

False

42. The lea k age protect o r is main l y divided into electronic type and electromagnetic type according to the action mode.

T rue

False

43. Hu a wei Monitoring System Ne t Eco Supports the concept of u ser groups, and impleme n ts role-based user gro u p managem e nt. A user gro u p is a group of user-level collections w ith the same ope r ation permissions, and di f ferent user groups have di f fere n t permissio n s .

T rue

False

44. R410A The moment the refrige r ant is sprayed to the outside, it can freeze human skin and de e p

muscles in a very short time, and cause skin necrosis at the f r ostbite site.

T rue

False

45. CO R R E CT TEXT

The followi n g ar e used in Huawei's row-level p re cision air co n ditioners.

46. CO R R E CT TEXT

At a certain atmospheric press u re and water vapor c ontent, the air is cooled down. Wh e n the air reac h es saturation, it will continue to cool down. The temperature at the time of condensation is .

47. CO R RE C T TEXT

Lay anti-stat i c floo r , wear anti-static s h oes and socks to pre v ent it from forming .

48. CO R R E CT TEXT

The refrige ra nt used by H uawei p r ecision air conditioner is _.