Quiz 2026 Nokia 4A0-205: Nokia Optical Networking Fundamentals Useful Valid Test Sample

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Nokia 4A0-205 Exam Syllabus Topics:

SectionObjectives
Topic 1: WDM and Optical Transport Technologies- Wavelength Division Multiplexing (WDM)
  • 1. Channel spacing and grid concepts
    • 2. CWDM vs DWDM principles
      - Optical Transport Network (OTN)
      • 1. Mapping and encapsulation concepts
        • 2. OTN framing and multiplexing basics
          Topic 2: Fundamentals of Optical Networking- Optical fiber principles and transmission characteristics
          • 1. Attenuation and dispersion concepts
            • 2. Fiber types and structure
              • 3. Optical signal behavior in fiber
                - Optical networking components
                • 1. Passive optical components (splitters, couplers)
                  • 2. Optical amplifiers (EDFA)
                    • 3. Transmitters and receivers
                      Topic 3: Optical Network Architectures and Systems- Metro and long-haul optical networks
                      • 1. ROADM and switching principles
                        • 2. Network topology concepts
                          - Performance and impairments
                          • 1. Noise and OSNR basics
                            • 2. Chromatic dispersion and nonlinear effects

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                              Nokia Optical Networking Fundamentals Sample Questions (Q47-Q52):

                              NEW QUESTION # 47
                              How many PM bins can be stored, for each data collection point, on PSS systems?

                              Answer: A

                              Explanation:
                              Comprehensive and Detailed Explanation From Nokia Optical Networking Fundamentals:
                              Performance Monitoring (PM) is critical for maintaining the health of a Nokia 1830 PSS network. The system collects data such as FEC corrected bits, optical power levels, and ODU-layer errors. According to Nokia's standard node management architecture, each data collection point (such as an optical port or an ODU termination point) stores a specific number of historical "bins" locally on the card or the shelf controller.
                              The standard storage capacity for these PM statistics is 33 x 15-minute bins (covering the last 8 hours and 15 minutes of granular data) and 8 x 1-day bins (covering the last week of daily totals). Additionally, there is 1 raw bin which contains the "current" accumulating data that has not yet been shifted into a completed 15-minute or 24-hour historical bin. This allows network operators using WS-NOC (WaveSuite Network Operations Center) to retrieve recent historical performance data directly from the NE (Network Element) even if the management system was temporarily disconnected. If longer-term history is required, the management system must be configured to poll and archive these bins into its own database before they are overwritten on the hardware.


                              NEW QUESTION # 48
                              Which statement is correct about the NFM-T network map?

                              Answer: B

                              Explanation:
                              The NFM-T network map provides a graphical view of the network with different colors used to represent each node, physical connection, and active alarm. It allows the user to quickly identify any issues in the network and provides context sensitive navigation.


                              NEW QUESTION # 49
                              Which macro steps can be executed via CPB?

                              Answer: A

                              Explanation:
                              Node creation, systems validation and system provisioning. The CPB (Commissioning Parameter Builder) application is used to generate commissioning files for a Nokia 1830 Photonic Service Switch (PSS-1) and can be used to create new nodes, validate the system configuration, and provision the system with the appropriate settings and parameters. Power adjustment and generation of system loss report are not related to CPB.


                              NEW QUESTION # 50
                              Is it possible to open and manage EPT designs that are created with different releases than the release installed on the local workstation?

                              Answer: D

                              Explanation:
                              It is possible to open and manage EPT designs that are created with different releases than the release installed on the local workstation, however only designs created with current and older releases can be opened and edited. Designs created with an older release can be opened by a current release but changes cannot be made.


                              NEW QUESTION # 51
                              What is the OAMP LAN interface?

                              Answer: B

                              Explanation:
                              It is an RJ-45 interface (a common Ethernet port) that has to be configured with an IP address for node reachability and management. This interface is used to connect the OAMP node to the LAN, allowing it to be managed and monitored remotely.


                              NEW QUESTION # 52
                              ......

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