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NEW QUESTION # 53
At the airport and port, the products and solutions pushed back to the video background scene include: (Multiple Choice)
- A. PC500
- B. EA5800
- C. EG8084P
- D. MA5680T
Answer: A,B,C
NEW QUESTION # 54
Which of the following network construction models is more suitable for future e-government extranet construction?
- A. The backbone network leases the operator, and the access and aggregation network builds its own private network
- B. The government's own government affairs network
- C. All of the above
- D. The entire network leases the operator network
Answer: B
NEW QUESTION # 55
Since the existing MSTP network cannot support 1588V2 precise clock time synchronization, there are limitations in supporting LTE-R services. It is recommended to use MS-OTN to carry LTE services.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 56
All-optical network and optical reflector can automatically locate the optical fiber disconnection and fault point, and the fault location accuracy is within 10 meters.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 57
Scope of protection of ODUk SNCP is?
- A. Line fiber
- B. Circuit board, OCH fiber, line fiber
- C. Tributary board, circuit board, OCH fiber, line fiber
- D. OCH fiber, line fiber
Answer: B
NEW QUESTION # 58
Which of the following services can FTTx Solution provide?
- A. Telephone
- B. High-Speed Internet
- C. IPTV
- D. Home-WiFi
Answer: A,B,C,D
Explanation:
TheFTTx (Fiber-to-the-x)solution is a versatile technology that enables the delivery of multiple services over a single fiber-optic infrastructure. The key services provided by FTTx include:
* High-Speed Internet:Delivers broadband connectivity to homes, businesses, and institutions.
* Home-WiFi:Supports wireless networking within premises using Wi-Fi-enabled ONTs or routers.
* Telephone:Provides Voice over IP (VoIP) services for telephony applications.
* IPTV:Enables high-quality video streaming for entertainment and educational purposes.
FTTx solutions are widely used in Fiber-to-the-Home (FTTH), Fiber-to-the-Building (FTTB), and Fiber-to- the-Curb (FTTC) deployments, offering converged services to meet diverse customer needs.
References:
* Huawei FTTx Solution Guide
* ITU-T G.984 Standard - FTTx Applications
NEW QUESTION # 59
What is the general recommendation of DCI delay in the financial industry?
- A. <100ms
- B. <1ms
- C. <50ms
- D. <10ms
Answer: A
NEW QUESTION # 60
The integration of power transmission and transformation integration transmission solutions does not include ().
- A. Industry integration, integration of industry needs, such as 2M optical interface, 2M ASON
- B. Client-side interface fusion, integrating low-speed interfaces such as traditional PCM equipment
- C. Communication technology integration, integration of communication technology development trends, such as SDH/OTN/PKT unified equipment
- D. Integration of advanced concepts and hotspots, such as 5G and WIFI6
Answer: D
NEW QUESTION # 61
The three major operators' new scenarios on the access side are mainly based on GPON technology, and EPON technology is mainly aimed at stock expansion as capacity expansion/upgrade.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 62
Which of the following optical modules are used in commercial case currently?
- A. Class C+
- B. Class F
- C. Class E
- D. Class D
- E. Class B+
Answer: A,E
Explanation:
The correct answers areClass B+andClass C+. These optical module classes are widely used in commercial GPON deployments due to their balance of performance, cost, and reliability.
* Class B+:Supports transmission distances up to20 kmand is commonly used in urban and suburban areas. It provides sufficient power budget for most residential and small business applications.
* Class C+:Supports longer distances (up to40 km) and higher split ratios, making it idealfor rural or remote areas where extended reach is required.
Other options:
* Class D:Not a standard classification for GPON optical modules.
* Class E and F:These classifications do not exist in current GPON standards.
The choice between Class B+ and Class C+ depends on the specific deployment scenario, including distance, split ratio, and environmental conditions.
NEW QUESTION # 63
For the construction of broadband speed up for the buildings that existing radio and television coaxial shafts, such as convenient hotels, school dormitories, etc., which solutions are more suitable? (Multiple Choice)
- A. EOC
- B. FTTH
- C. FTTH
- D. D-CMTS
Answer: A,D
NEW QUESTION # 64
How many wavelengths does Huawei DWDM currently support?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 65
The selling points of Huawei's power transmission and transformation solutions for the power industry include ( ). (Multiple choice)
- A. 2M ASON
- B. Ultra-long reach solutions
- C. Built-in PCM/2M optical port
- D. AES256 encryption
Answer: A,B,C
NEW QUESTION # 66
About the XGS PON description, which is wrong?
- A. In order to adapt to 10G rates to improve the frame structure, improve the flexibility of DBA allocation
- B. Simplify the physical layer message management mechanism, which is lower than GPON in terms of safety and energy saving
- C. The maximum downlink rate is 9.95Gbit/s, and the maximum upward rate is 9.95Gbit/s.
- D. The maximum spanning ratio is 1: 256; a single PON port can access more onu, suitable for high density scenarios
Answer: B
NEW QUESTION # 67
The actual effective bandwidth of GPON down is about 2.3g. If all users under the single PON have opened a 1000M package, how many households can be supported?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 68
PON is the abbreviation of Passive Optical Network, which is a point-to-point access method, that is, a P2P access method.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 69
What business accounts for the largest traffic in the radio and television bearer network?
- A. Broadband
- B. Wireless
- C. Video
- D. Collecting customers
Answer: C
NEW QUESTION # 70
What's the minimum protection switching time of Link-layer Type B Switching?
- A. 50ms
- B. 3min
- C. 3s
- D. 1min
Answer: A
Explanation:
The minimum protection switching time forLink-layer Type B Switchingin GPON is50ms. Type B protection involves protecting the fiber link between the OLT and the splitter by providing redundant fibers.
In the event of a fiber failure, the system switches to the backup fiber within 50ms to ensure minimal service disruption. This fast switching time is critical for maintaining high availability and reliability in GPON networks.
* 3s, 3min, 1min:These times are far too long for protection switching in modern optical networks, which require near-instantaneous recovery to meet SLA (Service Level Agreement) requirements.
NEW QUESTION # 71
What levels does the OTN backbone network in the power industry cover? (Multiple choice)
- A. A small number of cities
- B. National dry
- C. Save money
- D. Division
Answer: A,B,C
NEW QUESTION # 72
In the future service evolution of railways, the main bandwidth requirements are video services, and the bandwidth requirements of traditional services will become smaller and smaller.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 73
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