Exam SRAN-Radio-Network-Performance-Optimization Overview & Exam SRAN-Radio-Network-Performance-Optimization PDF

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Nokia SRAN-Radio-Network-Performance-Optimization Exam Syllabus Topics:

SectionObjectives
Troubleshooting and Performance Analysis- Network issue identification and resolution
  • 1. Fault analysis workflows
    • 2. Performance degradation root cause analysis
      RF Optimization Principles- Coverage and capacity optimization
      • 1. Coverage analysis and enhancement
        • 2. Interference analysis and mitigation
          LTE/NR Performance Optimization- Optimization techniques
          • 1. Handover optimization
            • 2. Scheduling and resource allocation optimization
              SRAN Architecture Overview- SRAN network structure and components
              • 1. Radio access network elements overview
                • 2. LTE/NR integration principles
                  Radio Network Performance Fundamentals- Key performance indicators (KPIs)
                  • 1. Throughput and latency KPIs
                    • 2. Accessibility, retainability, and mobility KPIs

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                      Exam SRAN-Radio-Network-Performance-Optimization PDF, SRAN-Radio-Network-Performance-Optimization Examcollection Questions Answers

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                      Nokia MN: NCSS NPS - SRAN Radio Network Performance Optimization Certification Exam | GS40-NPS-SRPER-E-S03-2510 Sample Questions (Q21-Q26):

                      NEW QUESTION # 21
                      During an intra-gNB DU handover , what is the role of the RRC Reconfiguration message sent by the gNB- CU to the UE?

                      Answer: D

                      Explanation:
                      The correct answer is A .
                      During an intra-gNB DU handover , the UE is moved from one cell/DU resource to another under the same gNB-CU control. The gNB-CU coordinates the handover preparation and sends an RRC Reconfiguration message to the UE.
                      The role of this message is to provide the UE with the required handover command information, such as:
                      Target PCell configuration
                      Radio resource configuration
                      Mobility control information
                      Random access configuration, when needed
                      Measurement or reconfiguration-related information
                      After receiving the RRC Reconfiguration , the UE performs the handover execution procedure toward the target cell and later responds with RRC Reconfiguration Complete .
                      Option B is incorrect because admission control and source-cell scheduling suspension are internal network- side procedures, not the UE-facing role of the RRC Reconfiguration message.
                      Option C is not the best answer because user-plane resource transfer is handled between gNB-CU/gNB-DU functions, while dedicated preamble allocation may be part of the configuration but is not the main purpose of the message.
                      Option D is incorrect because RLC reestablishment and PDCP recovery are lower-layer/user-plane handling actions, not the primary purpose of the RRC Reconfiguration message.
                      Therefore, the correct role is:
                      It instructs the UE to perform handover to the target PCell and provides measurement/configuration information.


                      NEW QUESTION # 22
                      In NR SA Option 2, the UE is camped on an SA serving cell. An IRAT handover is triggered for a multi-QCI call, QCI 1 and QCI 6, due to weak coverage of the serving cell. What will happen to both QCIs during the IRAT handover toward LTE?

                      Answer: C

                      Explanation:
                      The correct answer is D.
                      In 5G SA Option 2, NR works independently with the 5G Core, but interworking with LTE/EPC can be supported for mobility continuity. When IRAT handover toward LTE is triggered due to weak NR coverage, the goal is to preserve the active services during mobility.
                      For a multi-QCI service:
                      QCI 1 normally represents the voice bearer, such as VoLTE/IMS voice continuity after movement to LTE.
                      QCI 6 normally represents a non-GBR data bearer.
                      During a supported IRAT handover from NR SA to LTE, both the voice bearer and data bearer can be transferred to LTE, assuming proper interworking, bearer mapping, and LTE coverage availability.
                      Option C is incorrect because IRAT mobility from NR SA to LTE is supported in properly configured networks. Option A is incorrect because the voice bearer is the most critical bearer to preserve. Option B is also not the best answer because the data bearer does not necessarily need to be released during IRAT handover.
                      Therefore, the expected result is:
                      Both QCI 1 voice and QCI 6 data continue on LTE.


                      NEW QUESTION # 23
                      A slice supporting sensors and smart meters would be categorized as:

                      Answer: D

                      Explanation:
                      The correct answer is A .
                      Sensors and smart meters are typical massive IoT use cases. They usually involve a very large number of devices sending small amounts of data, often with low mobility and low power requirements.
                      This type of traffic fits mMTC , or massive Machine Type Communications .
                      Why the other options are not correct:
                      URLLC is used for very low-latency and highly reliable services, such as industrial automation, remote control, or mission-critical applications.
                      eMBB is used for high-throughput broadband services, such as video, fixed wireless access, or enhanced mobile internet.
                      DNN is not a slice category. It means Data Network Name and identifies the data network the UE connects to, similar to APN in LTE.
                      Therefore, a slice supporting sensors and smart meters is categorized as:
                      mMTC.


                      NEW QUESTION # 24
                      Evaluate the impact of extended FR2 cell range on power consumption.

                      Answer: A

                      Explanation:
                      The correct answer is C .
                      In FR2/mmWave , uplink coverage is often the limiting factor because UE transmit power is much lower than gNodeB transmit power, and mmWave propagation suffers from high path loss and blockage. Ericsson's mmWave coverage discussion also notes that high-band coverage is limited by uplink signal quality and high- band propagation characteristics.
                      When the FR2 cell range is extended, UEs farther from the serving cell must transmit uplink signals over a more difficult radio path. This usually requires higher UE transmit power, more robust MCS, more repetitions or retransmissions, and potentially longer uplink activity. As a result, UE battery consumption can increase.
                      Therefore, extended FR2 range generally:
                      Increases power consumption because UEs need more energy to transmit uplink signals.


                      NEW QUESTION # 25
                      In a high-mobility network, the maximum cell size must be restricted to 33 km . Which PRACH format and restricted-set type should be used?

                      Answer: B

                      Explanation:
                      The correct answer is Format 1 / Type B .
                      For PRACH planning, the selected preamble format must support the required cell radius. Format 0 is too short for a 33 km cell because it is typically suitable only up to around 14.5 km . Format 2 is also not suitable because its practical maximum cell radius is around 29.5 km , which is below the required 33 km . Therefore, a longer PRACH format is needed.
                      Because the scenario mentions high mobility , an unrestricted PRACH set is not preferred. High-mobility environments require a restricted set to handle Doppler effects and reduce ambiguity in PRACH preamble detection. Between the restricted-set options, Type B is the correct choice for this 33 km high-mobility case.
                      A matching Nokia-style question source also lists this exact scenario with Format 1 / Type B as option A.


                      NEW QUESTION # 26
                      ......

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