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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: SRAN Performance Optimization Fundamentals | 25% | - Network performance monitoring and analysis tools - Key performance indicators (KPIs) definition and measurement - Performance optimization principles and methodology |
| Topic 2: Mobility and Handover Optimization | 20% | - Mobility robustness and optimization - Inter-RAT mobility and optimization - Handover parameters and algorithms |
| Topic 3: Coverage and Capacity Optimization | 30% | - Capacity planning, load balancing and optimization - Coverage analysis, tuning and optimization - Interference analysis and mitigation techniques |
| Topic 4: Quality of Service and Resource Management | 15% | - QoS parameters, scheduling and admission control - Radio resource management and optimization |
| Topic 5: Advanced Optimization and SON Features | 10% | - Self-Organizing Networks (SON) use cases and optimization - Energy saving and advanced features |
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NEW QUESTION # 23
In a 5G NSA Option 3x deployment, why should we not define 5G neighbors in LTE sectors where there is no 5G coverage ?
Answer: D
Explanation:
The correct answer is A .
In 5G NSA Option 3x , LTE acts as the Master Cell Group , and NR acts as the Secondary Cell Group , usually added through EN-DC . If 5G NR neighbors are configured in an LTE sector where there is actually no 5G coverage , the LTE eNB may still configure the UE to perform NR measurements.
To perform NR inter-RAT or inter-frequency measurements, the UE may require measurement gaps .
During these gaps, the UE stops normal LTE reception/transmission activities to measure NR frequencies. If there is no real 5G coverage, those gaps become wasted measurement time and can reduce LTE user throughput.
Option B is not the best answer because if there is no 5G coverage, the main issue is not successful SCG addition or handover degradation, but unnecessary measurement activity. Option C is also not correct because redirection from 5G to 4G normally occurs when the UE is already on or connected to 5G coverage, which is not the case here.
Therefore, the main reason is:
LTE throughput degradation due to unnecessary measurement gap configuration.
NEW QUESTION # 24
What is the role of admission control in 5G networks ?
Answer: B
Explanation:
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.
NEW QUESTION # 25
Which of the following best describes one of the primary purposes of the Coverage and Quality use case?
Answer: B
Explanation:
The correct answer is B .
The Coverage and Quality use case is used in network planning and optimization to identify RF problem areas. These may include:
Low RSRP or weak coverage areas
Poor SINR or low radio quality areas
High interference zones
Overshooting cells
Coverage holes
Areas where users experience poor throughput or poor accessibility
This type of use case helps NPO engineers prioritize optimization actions such as antenna tilt changes, azimuth changes, parameter tuning, neighbor optimization, power adjustment, or site expansion.
The other options are not the primary purpose:
VPN tunnel configuration is a connectivity/security task.
LCBIN-to-CSV conversion is a data processing task.
Replacing the Kronos parser is a tool-chain or troubleshooting function, not the main purpose of coverage and quality analysis.
So the best answer is:
To identify problem areas such as low coverage or high interference.
NEW QUESTION # 26
During an intra-gNB DU handover , what is the role of the RRC Reconfiguration message sent by the gNB- CU to the UE?
Answer: B
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 # 27
In the context of radio capacity management , what is the significance of Scheduling Request periodicity ?
Answer: D
Explanation:
The correct answer is C .
Scheduling Request , or SR , is used by the UE to request uplink resources when it has uplink data to send.
The SR periodicity defines how often the UE gets an opportunity to send this scheduling request.
A shorter SR periodicity means the UE can request uplink resources more quickly, which improves uplink latency. However, it consumes more PUCCH/control-channel resources, reducing the number of UEs that can be efficiently supported.
A longer SR periodicity saves control-channel resources and can support more connected users, but it increases uplink access delay.
Therefore, SR periodicity is important because it creates a trade-off between:
Lower latency and higher connected-user capacity.
NEW QUESTION # 28
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