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السؤال #1
What is the biggest difference between different types of amplifiers?
A. Different gaincorrect
B. Different noise figures
C. Occupied different slots
عرض الإجابة
اجابة صحيحة: A
السؤال #2
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 single-span optical power budget that can be achieved?
A. 23dB
B. 48dB
C. 66dBcorrect
D. 73dB
عرض الإجابة
اجابة صحيحة: C
السؤال #3
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. 0correct
B. 2
C. 4
D. 8
عرض الإجابة
اجابة صحيحة: A
السؤال #4
Which of the following vendors does not support dual-plane solutions?
A. ALU
B. Huawei
C. H3Ccorrect
D. ZTE
عرض الإجابة
اجابة صحيحة: C
السؤال #5
Huawei's video private network transmission solution can provide high bandwidth and high reliability network requirements.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #6
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 qualitycorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #7
Which of the following ONUs can support an ambient temperature of -30 degrees Celsius?
A. P613E
B. P622Ecorrect
C. EG8245H
D. EG8247H
عرض الإجابة
اجابة صحيحة: B
السؤال #8
How many slots are there in the 1800I enhanced device besides the main control?
A. 2correct
B. 4
C. 6
D. 8
عرض الإجابة
اجابة صحيحة: A
السؤال #9
In OTN encapsulation, how many minimum time slots does an ODU4 consist of at most?
A. 100
B. 80correct
C. 40
D. 10
عرض الإجابة
اجابة صحيحة: B
السؤال #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. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #11
What is the maximum ONU distance difference that Huawei EA5800 series OLT can support?
A. 10KM
B. 20KM
C. 40KMcorrect
D. 100KM
عرض الإجابة
اجابة صحيحة: C
السؤال #12
Which series of Huawei MXU products is recommended in FTTO construction scenarios?
A. MA5621 Series
B. MA5633
C. MA567X Seriescorrect
D. 10G PON Series
عرض الإجابة
اجابة صحيحة: C
السؤال #13
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 abovecorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #14
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 64correct
عرض الإجابة
اجابة صحيحة: D
السؤال #15
SDH basic transport module is STM-4.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #16
Which of the following SDH ASON networks can achieve permanent 1+1 protection?
A. Diamond Level Businesscorrect
B. Gold Business
C. Silver Business
D. Bronze service
عرض الإجابة
اجابة صحيحة: A
السؤال #17
DCI box equipment supports multi-service carrying and is suitable for backbone networks.
A. True
B. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #18
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 payloadcorrect
C. Containers, virtual containers, reuse, mapping
D. Regeneration section overhead, multiplexing section overhead, channel overhead, management unit pointer
عرض الإجابة
اجابة صحيحة: B
السؤال #19
In all-optical video backhaul, for extremely business-sensitive scenarios, which of the following can choose?
A. EG8040Ccorrect
B. P622E
C. T672E
D. EG8084P
عرض الإجابة
اجابة صحيحة: A
السؤال #20
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. Falsecorrect
عرض الإجابة
اجابة صحيحة: B
السؤال #21
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 utilizationcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #22
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 used by Huawei 100G?
A. 0
B. 0
C. 0
D. 0
عرض الإجابة
اجابة صحيحة: D
السؤال #23
The development trend of railway communication business is towards wireless broadband, control automation and intelligent operation.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #24
What is the downstream wavelength of GPON?
A. 1310
B. 1490correct
C. 1510
D. 1550
عرض الإجابة
اجابة صحيحة: B
السؤال #25
How many service slots does the OSN9800 M24 subrack have?
A. 32
B. 12/24correct
C. 24
D. 12
عرض الإجابة
اجابة صحيحة: B
السؤال #26
Which of the following equipment forms does not belong to access products?
A. OLT
B. ONU
C. ODN
D. OTNcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #27
The advantages of PON access are low cost and high reliability.
A. Truecorrect
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #28
What is the maximum cross-connect capacity of OSN9800 M24?
A. 1
B. 2
C. 4
D. 10Tcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #29
In long-distance transmission, what is the usual order of selecting solutions?
A. BA->BA+PA->Backward Raman->Forward + Backward Ramancorrect
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
عرض الإجابة
اجابة صحيحة: A
السؤال #30
What are the wave numbers of commonly used CWDM systems?
A. 4
B. 8correct
C. 16
D. 32
عرض الإجابة
اجابة صحيحة: B

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