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NEW QUESTION # 59
Which of the following units can amplify optical signals?
- A. OUT
- B. OSC
- C. FIU
- D. MUX/DEMUX
- E. OA
Answer: E
Explanation:
The correct answer isOA (Optical Amplifier). Optical amplifiers are specifically designed to amplify optical signals without converting them into electrical signals, making them a critical component in long-distance optical networks.
Here's a breakdown of the options:
* MUX/DEMUX (Multiplexer/Demultiplexer):These devices combine or split multiple wavelengths in WDM (Wavelength Division Multiplexing) systems but do not amplify signals.
* OUT (Optical Transponder Unit):Converts optical signals from one wavelength to another but does not amplify them.
* FIU (Fiber Interface Unit):Provides physical connections for fiber cables but does not amplify signals.
* OSC (Optical Supervisory Channel):Used for transmitting management and monitoring information over the optical network but does not amplify signals.
* OA (Optical Amplifier):Amplifies optical signals directly, extending the reach of the network without the need for electrical regeneration. Common types include EDFA (Erbium-Doped Fiber Amplifier) and Raman amplifiers.
Optical amplifiers are essential for overcoming signal attenuation in long-haul and metro networks, ensuring that data can be transmitted over hundreds of kilometers without degradation.
NEW QUESTION # 60
Among the highway trunk line solutions, which is Huawei's first transmission product?
- A. OSN1800
- B. OSN9800
- C. OSN8800
- D. OSN6800
Answer: B
NEW QUESTION # 61
Which interfaces does Huawei transmission equipment support? (Multiple choice)
- A. E1
- B. STM-N
- C. FC interface
- D. 10GE
Answer: A,B,C,D
NEW QUESTION # 62
Which of the following management systems can OptiXtrans DC908 support?
- A. CLI
- B. WebGUI
- C. NCE
- D. eSight
- E. NCE-T Lite
Answer: A,B,C
Explanation:
TheOptiXtrans DC908supports multiple management systems to ensure efficient operation and monitoring.
Here's an analysis of each option:
* NCE-T Lite:The DC908 does not supportNCE-T Lite, as this is a simplified version of the Network Cloud Engine (NCE) designed for smaller-scale deployments.
* CLI (Command-Line Interface):The DC908 supports CLI for advanced configuration and troubleshooting tasks.
* eSight:While eSight is a powerful network management system, it is not typically used for managing the DC908. Instead, the DC908 relies on NCE or WebGUI.
* WebGUI:The DC908 provides aWeb-based Graphical User Interface (WebGUI)for intuitive and user-friendly management.
* NCE (Network Cloud Engine):The DC908 integrates withNCEfor centralized control, automation, and intelligent O&M capabilities.
Thus, the correct answers areB (CLI), D (WebGUI), and E (NCE).
References:
* Huawei OptiXtrans DC908 Product Documentation
* Huawei NCE and WebGUI Management Guide
NEW QUESTION # 63
Which of the following statements about MS-OTN are correct?
- A. MS-OTN is short for Multi-Service Optical Transport Network.
- B. OSN 1800V, 1800II E, and 1800I E all can support MS-OTN.
- C. MS-OTN supports SDH, PKT, and OTN services.
- D. MS-OTN supports ODUk cross-connections.
Answer: A,C,D
Explanation:
The correct answers areA, B, and C. Here's a detailed explanation of each statement:
* A. MS-OTN is short for Multi-Service Optical Transport Network:This is correct.MS-OTN integrates multiple technologies (e.g., OTN, SDH, Ethernet) into a single platform, enabling converged transport for diverse services.
* B. MS-OTN supports SDH, PKT, and OTN services:This is correct. MS-OTN supportsSDH (Synchronous Digital Hierarchy)for legacy services,PKT (Packet)for Ethernet-based traffic, and OTN (Optical Transport Network)for high-capacity transport.
* C. MS-OTN supports ODUk cross-connections:This is correct. MS-OTN leveragesODUk (Optical Channel Data Unit-k)cross-connections to efficiently switch and route traffic at the optical layer, ensuring high performance and scalability.
* D. OSN 1800V, 1800II E, and 1800I E all can support MS-OTN:This is incorrect. While theOSN
1800Vand1800II Esupport MS-OTN, the1800I Eis a simpler device designed for access networks and does not fully support MS-OTN capabilities.
NEW QUESTION # 64
Which of the following is not the 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. Improve signal transmission quality
- C. Save computer room space
- D. End-to-end business management, easy operation and maintenance
Answer: B
NEW QUESTION # 65
What are the main push devices for data center interconnection scenarios? (Multiple choice)
- A. OSN 1800 series
- B. OSN 9800M24
- C. DC908
Answer: A,B,C
NEW QUESTION # 66
Among the many protective solutions of PON technology, which protection method achieves the protection of the main optical fiber, and supports the protection of OLT disaster tolerance. Even if one OLT fails, OLT placed in another place can immediately take over all services?
- A. Type B dual belonging
- B. Type D dual belonging
- C. Type C dual belonging
- D. Type A dual belonging
Answer: A
NEW QUESTION # 67
What are the functions of Huawei full-light video recovery network technology? (Multiple Choice)
- A. Network management end -to -end management to improve operation and maintenance efficiency
- B. Save trunk optical fiber
- C. Improve network equipment quality
- D. Guarantee full -time availability
Answer: A,B,C,D
NEW QUESTION # 68
What is the minimum number of chassis to deploy an 8x200G (2x100GE) WDM system with DC908?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
The correct answer is1. TheOptiXtrans DC908is designed to support high-density configurations, allowing an
8x200G (2x100GE)WDM system to be deployed using justone chassis.
Here's a breakdown of how this is achieved:
* High Integration:The DC908 integrates multiple components, such as optical modules, amplifiers, and control units, into a single compact2U chassis. This eliminates the need for additional hardware or external devices.
* Scalability:The DC908 supports up to8 wavelengths per fiber pair, each operating at200G. This means that all 8x200G channels can be accommodated within a single device.
* Service Aggregation:Each 200G wavelength can carry multiple 100GE services, enablingefficient aggregation of traffic. For example, two 100GE services can be mapped onto a single 200G wavelength.
* Space Efficiency:By consolidating everything into one chassis, the DC908 minimizes rack space requirements, making it ideal for data centers and edge locations where space is limited.
Other options:
* 2, 3, or 4 chassis:These would only be necessary for extremely large-scale deployments or if additional redundancy were required. However, for an 8x200G system, a single chassis is sufficient.
This compact design highlights the DC908's efficiency and cost-effectiveness for modern optical networks.
NEW QUESTION # 69
What are the ways to reduce the transmission delay in Huawei's financial data center transmission solution? (Multiple choice)
- A. Various FEC packages are adjustable
- B. DCM free
- C. Optimize chip processing time
- D. Optimizing Fiber Paths
Answer: A,B,C,D
NEW QUESTION # 70
POL can be sold independently in all office scenarios.
- A. True
- B. False
Answer: B
Explanation:
The statement isFalse. While Passive Optical LAN (POL) is a versatile solution that can be deployed in various enterprise scenarios, it cannot always be sold independently inall office scenarios. POL is best suited for environments where high bandwidth, simplified architecture, and centralized management are required.
However, traditional Ethernet-based solutions may still be preferred in certain scenarios due to factors like existing infrastructure, cost constraints, or specific application requirements.
For example:
* Small offices:May find POL overkill due to its higher upfront costs compared to Ethernet switches.
* Legacy systems:Offices with significant investments in copper-based networks may prefer incremental upgrades rather than a complete POL deployment.
NEW QUESTION # 71
Which of the following are the main sale products in the Campus OptiX solution?
- A. OLT + ODN + ONU
- B. OLT + ONT
- C. OLT + ODN + ONU + eSight
- D. OLT + ODN + ONU + U2000
Answer: C
Explanation:
TheCampus OptiX solutionis a comprehensive offering that integrates multiple components to deliver a complete Passive Optical LAN (POL) solution. The main sale products include:
* OLT (Optical Line Terminal):Central device for managing the network.
* ODN (Optical Distribution Network):Passive infrastructure for signal distribution.
* ONU/ONT (Optical Network Unit/Terminal):Customer-side devices for connecting end-users.
* eSight:Huawei's network management system (NMS) for centralized monitoring and management of the entire network.
While options like "OLT + ODN + ONU" or "OLT + ONT" represent subsets of the solution, the inclusion of eSightis critical for effective network management and operation, making option A the most complete and accurate choice.
References:
* Huawei Campus OptiX Solution Guide
* eSight Product Documentation
NEW QUESTION # 72
What are the advantages of Huawei equipment? (Multiple choice)
- A. Self-discovery of link delay
- B. The management system is autonomous and controllable
- C. Optical fiber breakpoint online OTDR monitoring
- D. The chip is autonomous and controllable
Answer: A,B,C,D
NEW QUESTION # 73
DCI box equipment supports multi-service bearer, suitable for trunk network.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 74
What are the advantages of railway MS-OTN A/B dual-plane networking? (Multiple choice)
- A. Resolving railway maintenance and upgrade requests
- B. Support 1588V2 to solve the bottleneck of insufficient bandwidth
- C. Improve network reliability
- D. Rare problem of sunroof point
Answer: A,B,C,D
NEW QUESTION # 75
Huawei, NOKIA, ZTE, FiberHome, and Cisco are the main vendors of OLT.
- A. True
- B. False
Answer: B
Explanation:
The statement isFalse. While Huawei, NOKIA, ZTE, and FiberHome are indeed major vendors of Optical Line Terminals (OLTs),Ciscois not traditionally known as a primary OLT vendor. Cisco focuses more on enterprise networking solutions like routers, switches, and Wi-Fi systems rather than passive optical network (PON) equipment.
The leading OLT vendors in the market are:
* Huawei:Dominates the global OLT market with advanced GPON, XG(S)-PON, and Combo PON solutions.
* NOKIA:Offers robust PON solutions through its Alcatel-Lucent subsidiary.
* ZTE:Provides cost-effective PON solutions for both carriers and enterprises.
* FiberHome:Specializes in PON and fiber optic technologies.
NEW QUESTION # 76
Which of the following are highlights of OptiXtrans DC908?
- A. Ultra Broadband & High Integration
- B. High Security
- C. Intelligent O&M
- D. Simplified Provisioning
Answer: A,B,C,D
Explanation:
TheOptiXtrans DC908is a cutting-edge data center interconnect (DCI) solution with several key highlights:
* High Security:Provides end-to-end encryption and physical isolation to protect sensitive data.
* Intelligent O&M:Leverages AI-driven analytics and automation for efficient network management.
* Simplified Provisioning:Enables plug-and-play deployment and automated service provisioning, reducing operational complexity.
* Ultra Broadband & High Integration:Supports up to 800G per wavelength and integrates multiple functions into a compact 2U form factor, maximizing capacity and efficiency.
These features make the DC908 ideal for modern data center interconnect scenarios.
References:
* Huawei OptiXtrans DC908 Product Documentation
* Huawei DCI Solution Guide
NEW QUESTION # 77
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