SRAN-Radio-Network-Performance-Optimization合格問題 & SRAN-Radio-Network-Performance-Optimization問題集無料

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

SectionObjectives
Topic 1: LTE/NR Performance Optimization- Optimization techniques
  • 1. Scheduling and resource allocation optimization
    • 2. Handover optimization
      Topic 2: Radio Network Performance Fundamentals- Key performance indicators (KPIs)
      • 1. Accessibility, retainability, and mobility KPIs
        • 2. Throughput and latency KPIs
          Topic 3: SRAN Architecture Overview- SRAN network structure and components
          • 1. Radio access network elements overview
            • 2. LTE/NR integration principles
              Topic 4: RF Optimization Principles- Coverage and capacity optimization
              • 1. Coverage analysis and enhancement
                • 2. Interference analysis and mitigation
                  Topic 5: Troubleshooting and Performance Analysis- Network issue identification and resolution
                  • 1. Performance degradation root cause analysis
                    • 2. Fault analysis workflows

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                      Nokia MN: NCSS NPS - SRAN Radio Network Performance Optimization Certification Exam | GS40-NPS-SRPER-E-S03-2510 認定 SRAN-Radio-Network-Performance-Optimization 試験問題 (Q19-Q24):

                      質問 # 19
                      Which of the following statements does not apply to mmWave radio propagation ?

                      正解：D

                      解説：
                      The correct answer is C .
                      At mmWave / FR2 frequencies , radio propagation is more challenging than in low-band or mid-band spectrum. Diffraction becomes weaker, blockage is more severe, foliage attenuation is high, and building penetration loss is significant. This is why mmWave networks usually require dense site grids, line-of-sight or near-line-of-sight paths, and strong beamforming. Industry mmWave references consistently describe high path loss, high penetration loss, and the need for directional antenna systems to compensate for these losses.
                      Option C does not apply because water absorption and atmospheric absorption generally become more relevant at higher frequencies, not lower. Rain, humidity, and oxygen/water-vapor absorption are important considerations for mmWave link budgets.
                      So the statement that does not apply to mmWave propagation is:
                      Low water absorption at high frequencies.


                      質問 # 20
                      What is the role of admission control in 5G networks ?

                      正解：B

                      解説：
                      The correct answer is D .
                      Admission control is responsible for deciding whether a new UE connection, bearer, service, or session can be accepted by the cell without negatively affecting existing users and services.
                      In 5G RAN, admission control checks available radio resources such as:
                      * PRB availability
                      * PDCCH/PUCCH capacity
                      * UE context capacity
                      * QoS requirements
                      * GBR or non-GBR bearer requirements
                      * Cell load and congestion status
                      It does not directly manage modulation schemes; that is handled by link adaptation. It also does not directly increase spectral efficiency or optimize downlink throughput, although good admission control indirectly protects user experience and avoids overload.
                      So the main role of admission control is:
                      To check whether there are enough resources for new connections.


                      質問 # 21
                      Regarding the Vo5G / IMS voice and video over 5G feature, which statements are correct?

                      正解：E

                      解説：
                      The correct answer is C: A, B, C, and D .
                      This question is about Vo5G / VoNR IMS service support in 5G SA. For IMS-based services over 5G, different QoS flows are used for signaling, voice media, and video media.
                      Statement A is correct.
                      The feature supports IMS voice and video over 5G in the gNB for FR1 , including both TDD and FDD deployments.
                      Statement B is correct.
                      IMS signaling commonly uses 5QI 5 . This QoS flow carries SIP/IMS signaling messages such as registration, session setup, modification, and release.
                      Statement C is correct.
                      IMS conversational voice uses 5QI 1 , which is the standardized GBR QoS identifier for conversational voice.
                      Statement D is correct.
                      IMS conversational video commonly uses 5QI 2 , which is associated with conversational video traffic.


                      質問 # 22
                      A customer complains about coverage reduction after modernization of 4G TDD 4x4 sites to Concurrent mMIMO B41/n41 with AEHC module 64T64R . Which of the following statements regarding RF design changes to increase the coverage is correct?

                      正解：B

                      解説：
                      The correct answer is C .
                      In a Concurrent mMIMO B41/n41 AEHC 64T64R deployment, LTE and NR share the same Massive MIMO active antenna system. Public Nokia material identifies AEHC as an AirScale Massive MIMO
                      64T64R B41 radio product, and Nokia's AirScale Massive MIMO portfolio is designed for high-capacity 5G
                      /RAN deployments.
                      Unlike a passive antenna system where coverage is changed mainly by physical/electrical RET, Massive MIMO coverage is strongly influenced by beamforming profiles and beamforming weight parameters . In concurrent LTE/NR operation, the RF design must consider the shared active antenna behavior, not independent passive RET-style tilt control per technology.
                      Therefore, for concurrent 4G/5G mMIMO coverage adjustment, the correct statement is:
                      The tilt/coverage behavior for both 4G and 5G is controlled by mMIMOSecSectorBFProfName and beamforming weight profile parameters.


                      質問 # 23
                      Which of the following statements about CBRA , or contention-based random access , is correct?

                      正解：C

                      解説：
                      The correct answer is B .
                      In contention-based random access , the UE chooses a random access preamble by itself from a configured pool of available contention-based preambles. This is typically used when the UE does not yet have a dedicated connection or when the network has not assigned a dedicated preamble.
                      Because multiple UEs may choose the same preamble at the same time, preamble collision is possible . That is why CBRA requires a contention resolution step.
                      Option C describes contention-free random access , not CBRA. In contention-free random access, the network assigns a dedicated preamble to the UE, so collision risk is avoided and contention resolution is not required.
                      Option A is not the correct CBRA principle being tested. RACH false detection can be a receiver/design issue, but it does not define the CBRA procedure.
                      Option D describes a possible NSA signaling behavior around access failure handling, but it is not the core correct definition of CBRA.
                      Therefore, the correct CBRA statement is:
                      The UE autonomously selects a preamble from the configured range and starts the random access procedure.


                      質問 # 24
                      ......

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