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| Section | Weight | Objectives |
|---|---|---|
| SRAN Performance Optimization Fundamentals | 25% | - Network performance monitoring and analysis tools - Performance optimization principles and methodology - Key performance indicators (KPIs) definition and measurement |
| Coverage and Capacity Optimization | 30% | - Coverage analysis, tuning and optimization - Interference analysis and mitigation techniques - Capacity planning, load balancing and optimization |
| Mobility and Handover Optimization | 20% | - Mobility robustness and optimization - Inter-RAT mobility and optimization - Handover parameters and algorithms |
| Quality of Service and Resource Management | 15% | - QoS parameters, scheduling and admission control - Radio resource management and optimization |
| 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 # 11
In the case of 5G SA, which of the following triggers the Radio Link Failure, or RLF, handling mechanism?
Answer: A
Explanation:
The correct answer is C.
In 5G SA, Radio Link Failure handling is mainly UE-driven. The UE monitors the radio link quality using lower-layer indications such as in-sync and out-of-sync indications. If the UE receives enough out-of-sync indications, it starts the relevant RLF timer, commonly associated with T310 behavior. If the link does not recover before the timer expires, the UE declares Radio Link Failure and starts recovery, such as RRC re- establishment.
The gNodeB can detect uplink problems and may release or reconfigure the UE, but the classical RLF handling mechanism is triggered at the UE side.
So the correct answer is:
UE indication timer only.
NEW QUESTION # 12
Single Network Slice Selection Assistance Information , or S-NSSAI , identifies a network slice. Which of the following statements are correct regarding NSSAI ? Refer to the diagram for basic information.
Answer: E
Explanation:
The correct answer is D: A, B, C, and D .
In 5G network slicing, S-NSSAI identifies a single network slice. It is composed of:
SST , or Slice/Service Type
SD , or Slice Differentiator
Statement A is correct.
The combination of SST + SD can uniquely identify a slice. For example, two slices may both use SST 1 for eMBB/MBB-type service, but different SD values can separate them for different enterprises, tenants, or service groups.
Statement B is correct.
SST is mandatory. It is an 8-bit numeric field that indicates the expected slice/service behavior, such as eMBB, URLLC, or mMTC.
Statement C is correct.
SD is optional. It is a 24-bit field used to differentiate multiple slices that may share the same SST.
Statement D is correct.
SST may use standardized values, such as SST 1 for eMBB, SST 2 for URLLC, and SST 3 for mMTC/MIoT.
It may also use operator-specific or non-standardized values depending on deployment requirements.
NEW QUESTION # 13
Evaluate the impact of extended FR2 cell range on power consumption.
Answer: B
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 # 14
In the context of mmWave deployments , what is the primary benefit of analog beamforming ?
Answer: D
Explanation:
The correct answer is A .
In mmWave systems, beamforming is essential because FR2 signals suffer from high path loss and blockage.
Analog beamforming uses fewer RF chains than fully digital beamforming, so it is cheaper and less complex in terms of RF hardware, power consumption, and implementation. Research and industry references explain that analog and hybrid beamforming architectures reduce the number of required ADCs/RF chains compared with fully digital beamforming, lowering cost and power complexity.
However, analog beamforming has limitations. It usually forms one beam, or a limited number of beams, at a time from a panel. Supporting multiple independent simultaneous beams and more UEs per sector is more associated with digital or hybrid beamforming, not pure analog beamforming.
Therefore, the primary benefit is:
Low cost and low complexity for coverage at higher mmWave bands.
NEW QUESTION # 15
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?
Answer: A
Explanation:
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.
NEW QUESTION # 16
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