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| Section | Weight | Objectives |
|---|---|---|
| Optical Network Architecture and Nodes | 20% | - Switched WDM (SWDM) principles - WDM node types and functionalities - Network topologies and transport architectures |
| Network Management and Operations | 20% | - Network commissioning and monitoring - Performance monitoring, alarms and troubleshooting - Network design with 1830 EPT / WaveSuite Planner - NFM-T / WS-NOC management system overview |
| WDM Technology and Systems | 25% | - DWDM system architecture and building blocks - Wavelength Division Multiplexing concepts - Optical amplifiers and transmission engineering |
| Optical Networking Basics | 20% | - Optical signal propagation and characteristics - Optical components and functions - Fiber types, properties and transmission principles |
| Network Survivability and Protection | 15% | - Protection and restoration mechanisms - Path and line protection schemes - Availability and survivability concepts |
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NEW QUESTION # 35
How is it possible to check the activation status of GMRE on a node?
Answer: D
Explanation:
The GMRE activation status is reported in the supervision state column on the node list. The supervision state column displays the GMRE status of the node, which is either "Activated" or "Not Activated". This allows the user to quickly check the GMRE activation status of a node without having to ping the node from the NFM-T platform.
NEW QUESTION # 36
What is the function of the express channel interface?
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Nokia Optical Networking Fundamentals:
In the context of WDM (Wavelength Division Multiplexing) node architecture, an express channel interface (often associated with OADMs or ROADMs) is specifically designed to handle "through" traffic. In a multi-node optical network, not every wavelength (channel) needs to be processed or terminated at every site it passes. To maintain signal integrity and reduce latency, these wavelengths are kept in the optical domain.
The express interface allows these optical channels-those not terminated or "dropped" at the local node-to bypass the local transponders and multiplexers, flowing directly to the downstream node. This photonic bypass avoids unnecessary O-E-O (Optical-Electrical-Optical) conversions, which would otherwise require expensive hardware and increase power consumption. By utilizing express paths, the Nokia 1830 PSS can scale to support massive core network capacities while ensuring that only the relevant traffic is diverted to the local client-facing ports.
NEW QUESTION # 37
Which sentence about NFM-T is correct?
Answer: B
Explanation:
NFM-T is a network management system designed to manage optical networks in a unified manner. It is used to design, manage, and provision optical services having IP nodes as extremities. It supports a variety of technologies, including optical and IP, and fully supports LO, LI, L2, and GMPLS applications. It is mainly focused on the Nokia 1830 PSS product family, as well as other older product families.
NEW QUESTION # 38
Is it possible to modify node parameters within the edit EPT menu?
Answer: C
Explanation:
Yes, the user can apply manual changes but only for non-GMPLS nodes, as the control plane reserves node resources not editable by the user. The edit EPT menu allows the user to view information about a node but is not used to modify node parameters. The user can only apply manual changes to non-GMPLS nodes, as the control plane reserves node resources which cannot be modified by the user.
NEW QUESTION # 39
Which of the following is an example of optical protection mechanism?
Answer: A
Explanation:
It can be implemented through the use of a Y-cable or an optical protection switch (OPS) card, which allows for the switching of traffic to a secondary path in the event of a failure on the primary path. This type of protection is commonly used to protect against fiber cuts and other types of physical layer failures in the optical transport network.
NEW QUESTION # 40
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