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Huawei H35-580_V2.0 (HCIA-5G-RNP&RNO V2.0) Exam is a certification exam designed for professionals who want to validate their knowledge and skills in 5G Radio Network Planning and Optimization (RNP&RNO). HCIA-5G-RNP&RNO V2.0 certification is offered by Huawei, a leading global provider of information and communication technology (ICT) infrastructure and smart devices. The HCIA-5G-RNP&RNO V2.0 certification is designed to help professionals master the concepts, technologies, and best practices of 5G RNP&RNO, and demonstrate their proficiency in planning and optimizing 5G Radio Networks.
NEW QUESTION # 17
Which of the following is not a function of the 5G RRC layer?
- A. Radio resource management
- B. Encryption, decryption, and integrity protection
- C. Handover and mobility
- D. Access control
Answer: B
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, encryption, decryption, and integrity protection are functions of the PDCP layer, not the RRC layer. The RRC layer is responsible for radio resource management, access control, handover and mobility, among other functions.
NEW QUESTION # 18
In the MR-DC architecture, which of the following factors affect the data split on a base station?(Select All that Apply)
- A. PDCP layer buffer
- B. Air interface latency
- C. X2 latency
- D. RLC layer buffer
Answer: A,B,C
Explanation:
Explanation
According to the 5G-NR (EN-DC) Bearer Concept, in MR-DC (Multi-Radio Dual Connectivity) architecture, data split on a base station can be affected by the following factors:
PDCP layer buffer: The PDCP layer buffer stores user plane data before sending it to lower layers. The buffer size and occupancy can affect how data is split between LTE and NR bearers.
X2 latency: The X2 latency is the delay between LTE and NR base stations over the X2 interface. The X2 latency can affect how data is split between LTE and NR bearers by causing reordering or duplication of packets.
Air interface latency: The air interface latency is the delay between base stations and user equipment over the air interface. The air interface latency can affect how data is split between LTE and NR bearers by causing reordering or duplication of packets.
The RLC layer buffer does not affect data split on a base station because it is located below the PDCP layer where data split occurs.
NEW QUESTION # 19
In SA networking, which of the following is the first step for a UE to perform a cell search?
- A. Synchronize half-frames and obtain the ID within a PCI group.
- B. Synchronize frames and obtain PCI group number.
- C. Obtain the cell signal quality.
- D. Obtain other cell information.
Answer: B
Explanation:
Explanation
According to the 5G SA Cell Search & Network Entry Matrix, the first step for a UE to perform a cell search in SA networking is to synchronize frames and obtain PCI group number. This step involves the following sub-steps:
The UE scans the available frequency range to detect the presence of Synchronization Signal Blocks (SSBs) from different base stations. SSBs are periodic signals that contain essential synchronization and system information for cell search and initial access.
The UE selects an SSB with the strongest signal strength and decodes its Primary Synchronization Signal (PSS) and Secondary Synchronization Signal (SSS). The PSS and SSS are part of the SSB and provide coarse timing synchronization and cell identity information.
The UE uses the PSS and SSS information to synchronize its internal clock with that of the base station and obtain the Physical Cell Identity (PCI) group number. The PCI group number is a 9-bit value that identifies a group of 8 cells that share the same PSS and SSS sequences. The PCI group number ranges from 0 to 1007.
The other steps for a UE to perform a cell search in SA networking are:
Synchronize half-frames and obtain the ID within a PCI group: The UE further synchronizes its timing with the base station by decoding its Narrowband Synchronization Signal (NSSS), which is also part of the SSB. The NSSS provides more precise timing information and the ID within a PCI group, which is a
3-bit value that identifies a specific cell within a PCI group. The ID within a PCI group ranges from 0 to
7. By combining the PCI group number and the ID within a PCI group, the UE can obtain the full PCI, which is a 10-bit value that uniquely identifies a cell.
Obtain other cell information: The UE decodes other signals and channels in the SSB to acquire other cell information, such as system bandwidth, subcarrier spacing, frame structure, etc. These signals and channels include Demodulation Reference Signals (DMRS), Master Information Block (MIB), System Information Block (SIB), etc.
Obtain the cell signal quality: The UE measures the cell signal quality based on various indicators, such as Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), Signal-to-Interference-plus-Noise Ratio (SINR), etc. These indicators reflect the strength, quality, and interference level of the received signal.
NEW QUESTION # 20
Which of the following statements about the space principles for 5G BBU installation are correct?(Select All that Apply)
- A. If the installation space is insufficient, the BBU can be installed on a wall. Ensure that the wall meets the load bearing requirements.
- B. If the space is greater than 600 mm, a cabinet can be added to install the BBU.
- C. If the installation space is insufficient, install 5G boards directly into the existing 4G B8U.
- D. If the remaining space of an existing cabinet is greater than 4 U, the BBU can be installed directly.
Answer: A,B,D
Explanation:
Explanation
According to the Hardware Description: Bbu5900 V100r013c10, these statements are correct about the space principles for 5G BBU installation:
If the installation space is insufficient, the BBU can be installed on a wall. Ensure that the wall meets the load bearing requirements: The BBU can be installed on a wall using wall-mounted brackets. The wall must be able to bear at least four times the weight of the BBU and must be flat and vertical. The installation height of the BBU must not exceed 2 m.
If the space is greater than 600 mm, a cabinet can be added to install the BBU: The BBU can be installed in a cabinet that meets the requirements of Huawei base stations. The cabinet must have a width of 19 inches and a depth of at least 600 mm. The cabinet must also provide sufficient ventilation, grounding, and lightning protection for the BBU.
If the remaining space of an existing cabinet is greater than 4 U, the BBU can be installed directly: The BBU can be installed in an existing cabinet that has enough space for it. The BBU has a height of 2 U, so it requires at least 4 U of space in a cabinet. The existing cabinet must also meet the requirements of Huawei base stations.
The other statement is incorrect about the space principles for 5G BBU installation:
If the installation space is insufficient, install 5G boards directly into the existing 4G B8U: This statement is not supported by Huawei base stations. The 5G boards cannot be installed directly into the existing 4G B8U because they have different slot distributions and board types. The 5G boards can only be installed in a BBU5900 subrack that supports both LTE and NR modes.
NEW QUESTION # 21
Which of the following logical channels can be mapped to different transport channels?
- A. PCCH
- B. DCCH
- C. CCCH
- D. BCCH
Answer: A,B,C
Explanation:
Explanation
According to the 5G NR Channels, the following logical channels can be mapped to different transport channels in the downlink and/or uplink:
Common Control Channel (CCCH): It can be mapped to Downlink Shared Channel (DL-SCH) or Uplink Shared Channel (UL-SCH).
Dedicated Control Channel (DCCH): It can be mapped to DL-SCH or UL-SCH.
Paging Control Channel (PCCH): It can be mapped to Paging Channel (PCH) or DL-SCH.
Broadcast Control Channel (BCCH): It can be mapped to Broadcast Channel (BCH) or DL-SCH.
NEW QUESTION # 22
Which of the following items can be used for measurement evaluation in idle mode during coverage problem analysis?
- A. OPMI
- B. SS-RSRP
- C. CSI-RSRP
- D. SRS
Answer: B
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, SS-RSRP is the reference signal received power of the synchronization signal block (SSB) in NR systems. It can be used for measurement evaluation in idle mode during coverage problem analysis, which corresponds to option D. OPMI is an indicator of uplink interference power measurement, CSI-RSRP is the reference signal received power of the channel state information reference signal (CSI-RS), and SRS is the sounding reference signal. These indicators are used for measurement evaluation in connected mode, not idle mode, which correspond to options A, B, and C.
NEW QUESTION # 23
In the NSA DC architecture, which of the following procedures is triggered when a UE moves to a neighboring gNodeB?
- A. SgNB release procedure
- B. MeNB change procedure
- C. MeNB release procedure
- D. SgNB change procedure
Answer: D
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, in the NSA DC architecture, when a UE moves to a neighboring gNodeB, the SgNB change procedure is triggered, which corresponds to option D.
NEW QUESTION # 24
Which of the following factors does not affect downlink coverage?
- A. Antenna gain
- B. Downlink transmit power
- C. Downlink path loss
- D. Base station receive diversity gain
Answer: D
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, base station receive diversity gain is a factor that affects uplink coverage, not downlink coverage. Downlink coverage is affected by factors such as downlink path loss, downlink transmit power, and antenna gain, which correspond to options B, C, and D.
NEW QUESTION # 25
After gNodeB hardware is installed and commissioned, which of the following functions needs to be tested and verified in single site verification?
- A. Equipment functions and coverage capability
- B. Interoperability capability
- C. Call drop capability
- D. SON capability
Answer: A
Explanation:
Explanation
According to the Career Certification - Huawei Enterprise, single site verification is used to test and verify the equipment functions and coverage capability after gNodeB hardware is installed and commissioned, which corresponds to option C.
NEW QUESTION # 26
Which of the following boards in a base station support CPU usage measurement?(Select All that Apply)
- A. DUMPT
- B. DFAN
- C. DUB8P
- D. DUPEU
Answer: A,C,D
Explanation:
Explanation
According to the Career Certification - Huawei Enterprise, DUB8P, DUPEU, and DUMPT are boards in a base station that support CPU usage measurement, which correspond to options B, C, and D. DFAN is a fan board that does not support CPU usage measurement, which corresponds to option A.
NEW QUESTION # 27
Which of the following statements about downlink beamforming are correct?(Select All that Apply)
- A. Both broadcast channels and traffic channels support beamforming.
- B. Dynamic beams are used for traffic channels.
- C. Static beams are used for broadcast channels.
- D. Only the PDSCH supports beamforming.
Answer: A,B,C
Explanation:
Explanation
According to the Beamforming techniques for massive MIMO systems in 5G, these statements are correct about downlink beamforming. Beamforming is a technique that uses multiple antennas to steer the transmitted signal toward the intended user or direction. Static beams are used for broadcast channels, such as MIB and SIB, which are transmitted to all UEs in a cell. Dynamic beams are used for traffic channels, such as PDSCH and PDCCH, which are transmitted to specific UEs based on their channel conditions and locations. Both broadcast channels and traffic channels support beamforming, but with different beamforming methods and performance requirements.
NEW QUESTION # 28
In the cell search process in 5G SA, a UE completes frame synchronization after reading the SS.
- A. True
- B. False
Answer: B
Explanation:
Explanation
According to the 5G SA Cell Search & Network Entry Matrix, a UE completes frame synchronization after reading the MIB, not the SS. The SS (Synchronization Signal) is used for initial detection and coarse timing synchronization, but it does not provide enough information for frame synchronization. The MIB (Master Information Block) is part of the SSB (Synchronization Signal Block) and contains essential system information, such as system frame number and subcarrier spacing, which are needed for frame synchronization.
NEW QUESTION # 29
In downlink peak rate testing, the modulation and coding scheme (MCS) index must reach 32.
- A. False
- B. True
Answer: B
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, in downlink peak rate testing, the modulation and coding scheme (MCS) index must reach 32, which corresponds to option A.
NEW QUESTION # 30
Which of the following SI messages must be read on a 5G network?
- A. SIB4
- B. SIB1
- C. SIB3
- D. SIB2
Answer: B
Explanation:
Explanation
According to the 5G SIB Messages, SIB1 is the only mandatory SI message that must be read on a 5G network. SIB1 contains essential information for accessing the network, such as cell identity, cell barring, and scheduling information for other SI messages. SIB2, SIB3, and SIB4 are optional SI messages that provide additional information such as radio resource configuration, intra-frequency cell reselection, and neighboring cell information.
NEW QUESTION # 31
Which of the following is not a typical application scenario of massive MIMO?
- A. Large venues
- B. Densely populated urban areas
- C. Suburban areas with light traffic
- D. High-rise buildings
Answer: C
Explanation:
Explanation
Massive MIMO is a technology that uses a large number of antennas at the base station to serve multiple users simultaneously, thereby increasing the spectral efficiency and capacity of the wireless system 1. Massive MIMO is especially suitable for application scenarios where there is high user density and high traffic demand, such as large venues, high-rise buildings, and densely populated urban areas 2. Suburban areas with light traffic do not have such high requirements for spectral efficiency and capacity, and therefore are not a typical application scenario of massive MIMO.
NEW QUESTION # 32
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Huawei H35-580_V2.0 (HCIA-5G-RNP&RNO V2.0) Certification Exam is an essential certification for professionals who are interested in building a career in 5G RAN planning and optimization. It offers a comprehensive and in-depth understanding of the latest 5G technologies and their practical applications in the RAN domain, and provides candidates with the necessary knowledge and skills to design, deploy, and optimize 5G RAN networks.
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