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H19-315-ENU PDF Questions and Testing Engine With 116 Questions
The H19-315-ENU exam is designed to test the candidate's understanding of the Huawei Transmission & Access products and technologies. H19-315-ENU exam consists of multiple-choice questions, and the candidate needs to score a minimum of 60% to pass the exam. H19-315-ENU exam duration is 90 minutes, and the candidate needs to complete the exam within this time frame.
NEW QUESTION # 36
Huawei's power distribution network ONU does not support the function of preventing illegal access of terminals.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 37
What are the advantages of Huawei equipment? (Multiple choice)
- A. Self-discovery of link delay
- B. The chip is autonomous and controllable
- C. The management system is autonomous and controllable
- D. Optical fiber breakpoint online OTDR monitoring
Answer: A,B,C,D
NEW QUESTION # 38
The advantages of the power distribution network automation xPON solution over other solutions does not included ().
- A. Suitable for areas with difficult fiber coverage
- B. Less affected by electromagnetic interference
- C. High reliability of passive network
- D. High bandwidth
Answer: A
NEW QUESTION # 39
Financial data center interconnection is not sensitive to transmission delay.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 40
Financial dual-living data center transmission interconnection faces ________ major challenges.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 41
The construction of smart government requires broadband networks and cloud computing platforms to support various smart applications and services.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 42
Switch bare fiber networking cannot meet the development needs of the network.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 43
What are the networking characteristics of the OTN backbone network in the power industry? (Multiple choice)
- A. The construction of national and provincial cadres has basically been completed, and there is no large-scale construction in prefectures and cities.
- B. A large number of single-wave 10G network construction is used, and single-wave 100G has not yet been applied on a large scale
- C. Single-wave 10G scenarios are generally constructed using a station-by-station electrical relay method
- D. The OTN backbone network in prefectures and cities began to consider the use of single-wave 100G to build two planes
Answer: A,B,C
NEW QUESTION # 44
Under the ADM configuration in the shared protection ring of the two-fiber bidirectional multiplex section at the STM-16 level, the service protection conditions are:
- A. Two circuit boards, one main and one standby
- B. The two circuit boards have nothing to do with each other
- C. The two circuit boards are mutually backup
- D. Half the capacity in one plate is used to protect half the capacity in the other plate
Answer: D
NEW QUESTION # 45
Which of the following technologies is used by GPON system to allocate bandwidth to ONU?
- A. WDM
- B. DBA
- C. T-CONT
- D. Type B
Answer: B
Explanation:
The correct answer isDBA (Dynamic Bandwidth Allocation). DBA is a critical technology in GPON systems that dynamically allocates upstream bandwidth to Optical Network Units (ONUs) based on their real- time traffic demands. This ensures efficient utilization of the available bandwidth and prevents congestion in the upstream direction.
* T-CONT (Traffic Container):While T-CONT is used to classify and manage different types of traffic (e.g., voice, video, data), it is not responsible for bandwidth allocation.
* WDM (Wavelength Division Multiplexing):WDM is a technology used in optical networks to transmit multiple signals over a single fiber using different wavelengths. It is unrelated to bandwidth allocation in GPON.
* Type B:Refers to a protection mechanism in GPON, not bandwidth allocation.
NEW QUESTION # 46
MPLS-TP is jointly developed by which of the following two standards organizations? (Multiple choice)
- A. IETF
- B. ITU-T
- C. EANTC
- D. IEEE
Answer: B,C
NEW QUESTION # 47
AES-128 is the encryption algorithm used by GPON for downstream.
- A. True
- B. False
Answer: B
Explanation:
GPON (Gigabit Passive Optical Network) does not use AES-128 encryption for downstream traffic. Instead, GPON uses AES-128 encryptiononly for upstream trafficto ensure data security between the Optical Network Unit (ONU) and the Optical Line Terminal (OLT). Downstream traffic in GPON is broadcasted to all ONUs, and encryption is not applied because the data is intended for multiple users. The encryption key is dynamically managed by the OLT and distributed securely to the ONUs.
This behavior is defined in theITU-T G.984 standard, which specifies the GPON architecture and security mechanisms. For downstream traffic, the security relies on higher-layer protocols (e.g., IPsec or application- level encryption).
References:
* ITU-T G.984 Standard - GPON Architecture and Security
* Huawei GPON Technical Documentation
NEW QUESTION # 48
OptiXtrans E9605 is very small, usually used in OLA station.
- A. False
- B. True
Answer: B
Explanation:
The statement isTrue. TheOptiXtrans E9605is a compact and modular optical transmission device, often deployed inOLA (Optical Line Amplifier)stations.
Key characteristics of the OptiXtrans E9605 include:
* Small Form Factor:Its compact design makes it ideal for space-constrained environments, such as OLA stations where only amplification is required.
* Amplification Capability:Equipped with optical amplifiers (e.g., EDFA), it boosts optical signals to compensate for attenuation over long distances.
* Simplified Deployment:The device is easy to install and maintain, reducing operational complexity in OLA applications.
OLA stations are intermediate points in optical networks where signals are amplified without being regenerated or processed electrically. The OptiXtrans E9605 is specifically optimized for such scenarios.
NEW QUESTION # 49
Radio and Television County and Township Network, Huawei mainly promotes the MSOTN solution, what functions are not supported?
- A. PTN
- B. SDH
- C. RTN
- D. OTN
Answer: C
NEW QUESTION # 50
What are the advantages of GPON web compared to EPON? (Multiple Choice)
- A. The transmission distance is far
- B. Bandwidth
- C. Salaring ratio
- D. Save optical fiber resources
Answer: A,B,C,D
NEW QUESTION # 51
Which board in the OSN 9800 device supports the FC1600 service? (Multiple choice)
- A. LTX
- B. T210
- C. LDC
- D. T230
Answer: B,C,D
NEW QUESTION # 52
In the radio and television county and township solution, OSN 1800V products and OSN 1800II enhanced service boards cannot be universally used.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 53
OSN 9800 M24 can be used for trunk or aggregation network, for high-capacity, long-distance optical transmission solutions.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 54
Which kinds of protection switching does the enhanced MSTP support? (Multiple choice)
- A. MSP
- B. SNCP
- C. LSP 1+1/1:1
- D. MPLS-TP ring network protection
Answer: A,B,C,D
NEW QUESTION # 55
What are the benefits of the Expressway Enhanced MSTP solution? (Multiple choice)
- A. 40G
- B. Perfect protection
- C. ASON
- D. Soft and hard pipes
Answer: A,B,C,D
NEW QUESTION # 56
About the XGS PON description, which is wrong?
- A. The maximum downlink rate is 9.95Gbit/s, and the maximum upward rate is 9.95Gbit/s.
- B. In order to adapt to 10G rates to improve the frame structure, improve the flexibility of DBA allocation
- C. The maximum spanning ratio is 1: 256; a single PON port can access more onu, suitable for high density scenarios
- D. Simplify the physical layer message management mechanism, which is lower than GPON in terms of safety and energy saving
Answer: D
NEW QUESTION # 57
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