HCSA-PRESALES-ACCESS
Exam
H19-413_V1.0-ENU Questions
V8.02
HCSA-Presales-Access
Topics - HCSA-Presales-Access
V1.0
1. DCI box equipment supports multi-service carrying and is suitable for backbone
networks.
A. True
B. False
Answer: B
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2. Multi-data center interconnection has become a rigid demand for the rapid
development of Internet business.
A. True
B. False
Answer: A
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3. The development trend of railway communication business is towards wireless
broadband, control automation and intelligent operation.
A. True
B. False
Answer: A
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4. OSN1800V equipment supports SDH ASON/2M ASON/OTN ASON.
A. True
B. False
Answer: A
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5. SDH ASON/2M ASON is a feature that the State Grid requires MSTP equipment to
support.
A. True
B. False
Answer: B
6. China's smart city development has reached the stage driven by new technologies.
A. True
B. False
Answer: B
7. Technical requirements for enhanced multi-service transport node (MSTP)
equipment, in accordance with the requirements of standard YD/T2486-2013.
A. True
B. False
Answer: A
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9. In the SDH standard, the 2M signal has a total of 32 time slots.
A. True
B. False
Answer: A
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8. SDH basic transport module is STM-4.
A. True
B. False
Answer: B
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10. FTTO is the abbreviation of Fiber-to-the-Office, which is mainly aimed at
commercial users, or the construction of office networks in hospitals, banks and
government enterprises. It uses ONUs with rich interfaces to be deployed in offices to
meet broadband, voice and video needs.
A. True
B. False
Answer: A
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11. The advantages of PON access are low cost and high reliability.
A. True
B. False
Answer: A
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12. The MA5621 device is an industrial-grade device developed by Huawei for the
energy industry. The device has 4kv lightning protection capability.
A. True
B. False
Answer: B
13. Early stage guidance for radio and television access user transformation: GPON
network construction.
A. True
B. False
Answer: A
14.What do the red panels in the configurator mean?
A. Panel Control
B. Longer delivery time for panels
C. Panels are sold normally
D. Discontinued boards
Answer: A
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15. Which is the FiberHome single slot 1T platform?
A. FONST-7000
B. ZXONE-9700
C. FONST-6000
D. M721
Answer: A
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16.How many wavelengths does Huawei's DWDM currently support?
A. 40
B. 80
C. 96
D. 1650
Answer: C
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17. What is the smallest device currently provided by Huawei's transmission
products?
A. OptiXstar-A810
B. OptiXtrans-E6604
C. OptiXtrans-E6608
D. OptiXtrans-E9605t
Answer: A
18. Huawei's video private network transmission solution can provide high bandwidth
and high reliability network requirements.
A. True
B. False
Answer: A
19. The video private network transmission network adopts OTN technology, mainly
including E6616/EE606 and other equipment.
A. True
B. False
Answer: A
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20. In the ultra-long-haul transmission characteristics of our company's OSN
equipment, when Raman amplifiers are not currently used, what is the 2.5G singlespan optical power budget that can be achieved?
A. 23dB
B. 48dB
C. 66dB
D. 73dB
Answer: C
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21.Which of the following vendors does not support dual-plane solutions?
A. ALU
B. Huawei
C. H3C
D. ZTE
Answer: C
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22. Which of the following SDH ASON networks can achieve permanent 1+1
protection?
A. Diamond Level Business
B. Gold Business
C. Silver Business
D. Bronze service
Answer: A
23. In long-distance transmission, what is the usual order of selecting solutions?
A. BA->BA+PA->Backward Raman->Forward + Backward Raman
B. BA+PA->BA->Backward Raman->Forward + Backward Raman
C. BA->BA+PA->Forward+Backward Raman->Backward Raman
D. BA->Backward Raman->BA+PA->Forward + Backward Raman
Answer: A
24. Which of the following is not an advantage of the enhanced MSTP built-in PCM
solution over the traditional solution?
A. Reduce the number of network failure points and improve network reliability
B. Save room space
C. End-to-end management services, simple operation and maintenance
D. Improve signal transmission quality
Answer: D
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25. What is the line impedance specification for a 2Mbps electrical interface?
A. 75? (unbalanced)
B. 120? (balanced)
C. 75? (unbalanced) or 120? (balanced)
D. None of the above
Answer: C
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26. Which does the SDH frame structure include?
A. Channel overhead, information payload, and segment overhead
B. Regeneration section overhead, multiplexing section overhead, management unit
pointer, information payload
C. Containers, virtual containers, reuse, mapping
D. Regeneration section overhead, multiplexing section overhead, channel overhead,
management unit pointer
Answer: B
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27. Which is the timing working mode of SDH equipment?
A. External Synchronous Timing
B. Extract from STM-N received signal
C. Internal Timing
D. All of the above
Answer: D
28. In the ADM configuration of a two-fiber bidirectional multiplex section shared
protection ring at the STM-16 level, which service protection situation is it?
A. Two circuit boards back up each other
B. Half the capacity in one board is used to protect half the capacity in the other board
C. Two circuit boards, one main and one backup
D. The two circuit boards have nothing to do with each other
Answer: B
29. Which of the following statements about ASON technology is incorrect?
A. By introducing ASON technology, it can resist multiple network failures and ensure
that all roads are connected
B. The existing network can be evolved and ASON functions can be realized through
software loading
C. ASON can effectively improve resource utilization through dynamic bandwidth
allocation
D. ASON improves network reliability by reducing the efficiency of network resource
utilization
Answer: D
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30. What is the biggest difference between different types of amplifiers?
A. Different gain
B. Different noise figures
C. Occupied different slots
Answer: A
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31. What is the maximum cross-connect capacity of OSN9800 M24?
A. 1.2G
B. 2.4T
C. 4.8T
D. 10T
Answer: D
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32. What is the protection scope of ODUk SNCP?
A. Line optical fiber OCH optical fiber, line optical fiber
B. Circuit board, OCH optical fiber, line optical fiber
C. Branch board, circuit board, OCH optical fiber, line optical fiber
Answer: B
33. What are the wave numbers of commonly used CWDM systems?
A. 4
B. 8
C. 16
D. 32
Answer: B
34. In the WDM model, the functional unit that completes the OEO conversion is OLA
MUX DEMUX OTU. What is the overhead of the second-generation soft judgment
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35. Which of the following protection methods has the lowest cost?
A. Optical line OLP protection
B. 1+1 protection within OTU board
C. ODUk SNCP
D. Device 1+1 protection
Answer: A
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used by Huawei 100G?
A. 0.1
B. 0.15
C. 0.2
D. 0.25
Answer: D
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36. In OTN encapsulation, how many minimum time slots does an ODU4 consist of at
most?
A. 100
B. 80
C. 40
D. 10
Answer: B
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37. Which of the following is the client layer of OCH in the OTN layer?
A. OTS
B. OMS
C. OTU
D. ODU
Answer: C
38. How many service slots does the OSN9800 M24 subrack have?
A. 32
B. 12/24
C. 24
D. 12
Answer: B
39. Which ZTE device is comparable to the OSN9800 product?
A. PSS1832
B. ZXONE9700
C. M721
D. ZXONE8700
Answer: B
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41. What is the height of the industry's smallest MSOTN?
A. 1U
B. 2U
C. 3U
D. 4U
Answer: A
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40. How many slots are there in the 1800I enhanced device besides the main control?
A. 2
B. 4
C. 6
D. 8
Answer: A
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42. What single board functions does the integrated single board DAPXF integrate?
A. Optical Amplification
B. FIU
C. OSC
D. SOM
Answer: B
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43. What is the downstream wavelength of GPON?
A. 1310
B. 1490
C. 1510
D. 1550
Answer: B
44. Which of the following description of MA5621 is wrong?
A. Uplink optical module supports hot swapping
B. Support AC and DC power supply
C. The uplink port supports dual uplink and 1+1 and 1:1 protection
D. Specification: 2*GE
Answer: D
45. Which of the following ONU models does not support the POE function?
A. P613E
B. P612E
C. P602E
D. EG8084P
Answer: C
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46. To achieve a larger range of WLAN coverage in the office area of the park,
seamless roaming and uninterrupted business are required. Which of the following
methods is recommended to provide wireless access?
A. Thin AP
B. Fat AP
C. ONT has built-in WIFI to provide wireless
D. None of the above statements are correct
Answer: A
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47. What is the maximum switching capacity of the new brand OLT EA5800-X7 main
control board for enterprise exclusive access?
A. 7.2Tbit/s
B. 3.6Tbit/s
C. 1920Gbit/s
D. 480Gbit/s
Answer: B
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48. Which of the following ONUs can support an ambient temperature of -30 degrees
Celsius?
A. P613E
B. P622E
C. EG8245H
D. EG8247H
Answer: B
49. Among the many protection schemes of PON technology, which protection
method can realize the protection of trunk optical fiber and support the disaster
recovery protection of OLT in different locations? Even if one OLT fails, the OLT in
another location can immediately take over all services.
A. Type A dual homing
B. Type B dual homing
C. Type C dual homing
D. Type D dual homing
Answer: B
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50. What is the maximum ONU distance difference that Huawei EA5800 series OLT
can support?
A. 10KM
B. 20KM
C. 40KM
D. 100KM
Answer: C
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51. GPON downstream bandwidth can reach 2.5G. What is the maximum splitting
ratio that can be achieved?
A. 1 to 8
B. 1 to 16
C. 1 to 32
D. 1 to 64
Answer: D
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52.Which series of Huawei MXU products is recommended in FTTO construction
scenarios?
A. MA5621 Series
B. MA5633
C. MA567X Series
D. 10G PON Series
Answer: C
53. Which of the following equipment forms does not belong to access products?
A. OLT
B. ONU
C. ODN
D. OTN
Answer: D
54. Which of the following does not describe the characteristics of the all-optical
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55. OLT EA5801 supports a maximum of () service GPON ports.
A. 4
B. 8
C. 16
D. 32
Answer: B
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campus solution?
A. Long-distance coverage, suitable for large-scale integrated parks:
B. Point-to-multipoint access, suitable for high-density wired access scenarios
C. Simple architecture effectively reduces deployment and operation and
maintenance costs:
D. ONU has its own Wi-Fi, suitable for high-density wireless access in stadiums,
conference halls, etc.
Answer: D
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56. In a certain project, the customer's ONU port requirement is 4GE+2POTS. Which
of the following products meet the requirement?
A. EG8240H
B. EG8040P
C. EG8240P
D. HG8546M
Answer: A
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57. In all-optical video backhaul, for scenarios with high requirements for network
reliability, which of the following can choose?
A. EG8040C
B. P622E
C. T672E
D. EG8084P
Answer: B
58. In all-optical video backhaul, for extremely business-sensitive scenarios, which of
the following can choose?
A. EG8040C
B. P622E
C. T672E
D. EG8084P
Answer: A
59.The actual effective bandwidth of EPON downstream is about 0.96G. If all users
on a single PON port subscribe to 1000M packages, how many households can it
support at most?
A. 0
B. 2
C. 4
D. 8
Answer: A
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60. In all-optical video backhaul, in scenarios where power supply, management,
lightning protection, and intelligence are required, which of the following options can
be used?
A. EG8040C
B. P622E
C. T672E
D. EG8084P
Answer: C
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