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| Section | Weight | Objectives |
|---|---|---|
| Optical Networking Basics | 20% | - Optical signal propagation and characteristics - Optical components and functions - Fiber types, properties and transmission principles |
| Network Management and Operations | 20% | - NFM-T / WS-NOC management system overview - Network commissioning and monitoring - Network design with 1830 EPT / WaveSuite Planner - Performance monitoring, alarms and troubleshooting |
| Network Survivability and Protection | 15% | - Path and line protection schemes - Availability and survivability concepts - Protection and restoration mechanisms |
| WDM Technology and Systems | 25% | - Wavelength Division Multiplexing concepts - Optical amplifiers and transmission engineering - DWDM system architecture and building blocks |
| Optical Network Architecture and Nodes | 20% | - WDM node types and functionalities - Network topologies and transport architectures - Switched WDM (SWDM) principles |
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NEW QUESTION # 10
With reference to trails and services, which of the following sentences is correct?
Answer: B
Explanation:
Services are transported over trails; that is, services are clients with respect to trails. A service is a logical connection that is used to transport data from one point to another. It is created over a trail, which is a physical connection that is established by using multiple wavelengths. As such, services are clients with respect to trails, as they are transported over them.
NEW QUESTION # 11
Which of the following are the main reasons for fiber attenuation?
Answer: A
NEW QUESTION # 12
Is it possible to select the fiber type independently for each segment while designing a network in EPT?
Answer: B
Explanation:
Yes, during the segment creation phase or editing. It is possible to select the fiber type independently for each segment while designing a network in EPT. This can be done during the segment creation phase or when editing an existing segment. This allows for more flexibility when designing the network and allows for more efficient use of resources.
NEW QUESTION # 13
What is the block that converts the colorless (or black and white) client signal to a specific optical channel in a WDM system?
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Nokia Optical Networking Fundamentals:
The Optical Transponder (OT) is the essential interface component in a WDM system that bridges the gap between the client-side equipment and the WDM line-side. Client signals, often referred to as "colorless" or "black and white" because they typically use standard 1310nm or 1550nm short-reach optics, cannot be directly multiplexed into a DWDM fiber because they would interfere with one another.
The Transponder performs an O-E-O (Optical-Electrical-Optical) conversion process: it receives the client's optical signal, converts it to an electrical format to perform 3R functions (Re-amplification, Re-shaping, and Re-timing) and often wraps it into an OTN (Optical Transport Network) frame, and then re-transmits it using a high-precision, ITU-T grid-compliant colored wavelength. In the Nokia 1830 PSS portfolio, these can be dedicated transponders for a single high-speed service or Muxponders, which aggregate multiple lower-speed client signals into a single high-speed "colored" line interface. Other components like the SFD are used for multiplexing those colors, and the DCM is used for managing fiber impairments, but only the Transponder performs the initial frequency conversion.
NEW QUESTION # 14
Is it possible to mix PSS-24x and PSS-8x shelves In an SWDM configuration?
Answer: B
Explanation:
No, it is not possible to mix PSS-24x and PSS-8x shelves in an SWDM (Short Wavelength Division Multiplexing) configuration. The two shelves are not compatible, and cannot be used within the same node.
NEW QUESTION # 15
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