Free H35-580_V2.0 Questions for Huawei H35-580_V2.0 Exam [Dec-2023]
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Huawei H35-580_V2.0 (HCIA-5G-RNP&RNO V2.0) Certification Exam is intended for professionals who are involved in the planning, design, deployment, and optimization of 5G radio networks. H35-580_V2.0 exam covers a range of topics, including 5G radio access technology, 5G network architecture, 5G network planning and optimization, and 5G network operation and maintenance. H35-580_V2.0 exam is designed to test the candidate's ability to understand and apply these concepts in a real-world scenario.
Huawei H35-580_V2.0 (HCIA-5G-RNP&RNO V2.0) certification exam is designed for professionals who want to enhance their skills in the field of 5G Radio Network Planning and Optimization. HCIA-5G-RNP&RNO V2.0 certification exam is ideal for network engineers, solution architects, and technical support engineers who want to develop their expertise in 5G technologies.
NEW QUESTION # 17
Which of the following logical channels can be mapped to different transport channels?
- A. BCCH
- B. PCCH
- C. CCCH
- D. DCCH
Answer: B,C,D
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 # 18
In downlink peak rate testing, the modulation and coding scheme (MCS) index must reach 32.
- A. True
- B. False
Answer: A
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 # 19
Which of the following channels/signals is used by the UE to measure and obtain the CQI?
- A. OSSB
- B. PDSCH
- C. CSI-RS
- D. PDCCH
Answer: C
Explanation:
Explanation
According to the 5G NR Downlink CSI Reporting, CSI-RS is the channel/signal that is used by the UE to measure and obtain the CQI. CSI-RS stands for Channel State Information Reference Signal, which is a downlink reference signal transmitted by the gNodeB to enable the UE to estimate the channel quality and feedback the CQI to the gNodeB. The CQI is an indicator of how good or bad the channel quality is, and it can be used by the gNodeB to adjust the modulation and coding scheme for data transmission.
NEW QUESTION # 20
Which of the following boards in a base station support CPU usage measurement?(Select All that Apply)
- A. DFAN
- B. DUPEU
- C. DUMPT
- D. DUB8P
Answer: B,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 # 21
How many RBs are included when a bandwidth of 100 MHz and a subcarrier spacing of 60 kHz are used in a
5G cell?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Explanation
To find the number of RBs in a 5G cell, we need to know the bandwidth and the subcarrier spacing of the cell.
The bandwidth is the total frequency range allocated for the cell, while the subcarrier spacing is the frequency separation between adjacent subcarriers in the cell. A RB is a group of 12 consecutive subcarriers in the frequency domain 12. Therefore, the number of RBs in a 5G cell can be calculated by dividing the bandwidth by the product of the subcarrier spacing and 12.
Given that the bandwidth is 100 MHz and the subcarrier spacing is 60 kHz, we can use the following formula to find the number of RBs:
Number of RBs = Bandwidth / (Subcarrier spacing * 12) Number of RBs = 100 MHz / (60 kHz * 12) Number of RBs = 100000 kHz / 720 kHz Number of RBs = 138.888...
However, since the number of RBs must be an integer, we need to round it down to the nearest multiple of
3 3. This is because the NR standard defines different frequency ranges for different subcarrier spacings, and each frequency range has a minimum and maximum number of RBs that are multiples of 3 4. For example, for subcarrier spacing of 60 kHz, the frequency range is from 24250.08 MHz to 52600.08 MHz, and the minimum and maximum number of RBs are 66 and 273, respectively.
Therefore, the closest multiple of 3 to 138.888... is 135. However, this number is not valid because it is lower than the minimum number of RBs for subcarrier spacing of 60 kHz. The next valid multiple of 3 is 273, which is also the maximum number of RBs for subcarrier spacing of 60 kHz. Therefore, the correct answer is C. 273.
NEW QUESTION # 22
Which of the following items can be used for measurement evaluation in idle mode during coverage problem analysis?
- A. CSI-RSRP
- B. SRS
- C. SS-RSRP
- D. OPMI
Answer: C
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
Which of the following protocols/data belong to Layer 3 of the Uu interface?(Select All that Apply)
- A. MAC protocol
- B. RLC protocol
- C. IP data
- D. RRC protocol
Answer: D
Explanation:
Explanation
According to the LTE user plane protocol stack, the Layer 3 of the Uu interface consists of the RRC protocol and the IP data. The RRC protocol is responsible for radio resource management, access control, handover and mobility, and encryption and integrity protection. The IP data is the payload of the user plane that is transmitted over the PDCP layer.
NEW QUESTION # 24
Which of the following boards support CPU usage query?(Select All that Apply)
- A. UPEU
- B. UBBP
- C. FAN
- D. UMPT
Answer: A,B,D
Explanation:
Explanation
According to the Huawei 5G Base Station Product Description, the following boards support CPU usage query:
UPEU (Universal Power and Environment Interface Unit): It provides power supply and environment monitoring functions for other boards in a subrack. It supports CPU usage query through commands or web pages.
UMPT (Universal Main Processing and Transmission Unit): It provides main processing and transmission functions for a subrack. It supports CPU usage query through commands or web pages.
UBBP (Universal Baseband Processing Unit): It provides baseband processing functions for a subrack.
It supports CPU usage query through commands or web pages.
The FAN (Fan Unit) does not support CPU usage query because it does not have a CPU.
NEW QUESTION # 25
Which of the following protocol layers has been added to the 5G air interface protocol stack compared with
4G?
- A. RRC
- B. SDAP
- C. POCP
- D. MAC
Answer: B
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, SDAP is a new protocol layer added to the 5G air interface protocol stack compared with 4G. SDAP stands for Service Data Adaptation Protocol, and it is used to map QoS flows to data radio bearers and perform header compression and decompression.
NEW QUESTION # 26
On a 5G network, the NAS layer uses 5G-GUTI to replace IMSI as the temporary ID of a UE for security reasons.
- A. True
- B. False
Answer: A
Explanation:
Explanation
According to the 5G-GUTI - 5G Globally Unique Temporary Identity, the NAS layer uses 5G-GUTI to replace IMSI as the temporary ID of a UE for security reasons. The 5G-GUTI is allocated by the AMF (Core Access and Mobility Management Function) at the time of network registration, and it is composed of the GUAMI (Globally Unique AMF ID) and the 5G-TMSI (5G Temporary Mobile Subscriber Identity).
NEW QUESTION # 27
Handover execution failures can use the counters to collect failure reasons in SA networking.
- A. True
- B. False
Answer: A
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, handover execution failures can use the counters to collect failure reasons in SA networking, which corresponds to option A. The counters include
N.HO.Exec.Fail.RadioResFail, N.HO.Exec.Fail.TAExceed, N.HO.Exec.Fail.NoRespFromUE, and
N.HO.Exec.Fail.Other.
NEW QUESTION # 28
Which of the following statements about the advantages of the Rayce ray tracing model are correct?(Select All that Apply)
- A. It is applicable only to C-band, and not mmWave.
- B. It offers more accurate modeling for massive MIMO.
- C. It offers more accurate path searching, reflection, and diffraction energy calculation for electromagnetic wave propagation.
- D. It offers higher level prediction accuracy.
Answer: C,D
Explanation:
Explanation
The Rayce ray tracing model is a propagation model that computes propagation paths using 3-D environment geometry 3. It is based on the shooting and bouncing rays (SBR) method, which launches rays from the transmitter and traces their reflections and diffractions until they reach the receiver or are attenuated below a threshold 4. The Rayce ray tracing model offers more accurate path searching, reflection, and diffraction energy calculation for electromagnetic wave propagation than other models, such as empirical models or deterministic models 5. It also offers higher level prediction accuracy, especially for massive MIMO systems that use beamforming techniques 6. The Rayce ray tracing model is not applicable only to C-band, but also to mmWave and other frequency bands 7.
NEW QUESTION # 29
In the uplink rate test for NR users, which of the following values is the recommended uplink maximum MIMO layers for 2T4R UEs?
- A. Layer2
- B. Layer4
- C. Layer1
- D. Layer3
Answer: A
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, the uplink maximum MIMO layers for 2T4R UEs is 2, which corresponds to option B.
NEW QUESTION # 30
Which of the following statements about throughput-related indicators are correct?(Select All that Apply)
- A. The actual cell throughput can be obtained by dividing the total data transmission throughput within a measurement period by the time when data is transmitted in the cell.
- B. Throughput is more accurate if the last small packet of each data transmission burst and its transmission duration are added.
- C. The uplink/downlink average UE throughput is used to evaluate the user-perceived rate.
- D. The average throughput of a single UE is obtained by dividing the data volume transmitted or received by the UE by the actual data transmission time.
Answer: A,C,D
Explanation:
Explanation
According to the HCIA-5G V2.0 Exam Outline, the statements in options A, B, and C are correct descriptions of throughput-related indicators, which correspond to options A, B, and C. The statement in option D is incorrect because adding the last small packet of each data transmission burst and its transmission duration will reduce the accuracy of throughput measurement.
NEW QUESTION # 31
Which of the following channels is used to send uplink power control commands?
- A. PDCCH
- B. POSCH
- C. PUCCH
- D. PUSCH
Answer: A
Explanation:
Explanation
According to the Uplink Power Control, PDCCH is the channel that is used to send uplink power control commands, also known as TPC commands. These commands indicate how much power should be increased or decreased by the UE for PUSCH or PUCCH transmissions.
NEW QUESTION # 32
In SA networking, which of the following messages is used to deliver PRACH power control parameters to UEs?
- A. RRC reconfiguration
- B. SIB1
- C. MIB
- D. SIB2
Answer: D
Explanation:
Explanation
According to the 5G NR Uplink Power Control Procedure, SIB2 is the message that contains the PRACH power control parameters, such as msg3-Alpha, p0-NominalWithoutGrant, and p0-AlphaSets. These parameters are used by the UE to determine the transmit power of the PRACH preamble.
NEW QUESTION # 33
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 # 34
Which of the following is not a function of the 5G RRC layer?
- A. Access control
- B. Radio resource management
- C. Encryption, decryption, and integrity protection
- D. Handover and mobility
Answer: C
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 # 35
In a Huawei base station, which of the following bearers can only be configured as an MCG bearer?
- A. QCI9
- B. QCI2
- C. QQ1
- D. QCI6
Answer: B
Explanation:
Explanation
According to the LTE-NR tight-interworking and the first steps to 5G, in a Huawei base station, QCI2 can only be configured as an MCG (Master Cell Group) bearer. QCI2 is a voice bearer that requires low latency and high reliability. Therefore, it cannot be configured as an SCG (Secondary Cell Group) bearer or a split bearer that may introduce additional delay or packet loss. QCI6, QCI9, and QQ1 can be configured as either MCG bearers, SCG bearers, or split bearers depending on the service requirements and network conditions.
NEW QUESTION # 36
Which of the following is not covered by a site survey?
- A. Models of hardware boards on base stations
- B. Site location
- C. Equipment room space and load bearing capacity
- D. Antenna installation space
Answer: A
Explanation:
Explanation
A site survey is an inspection of an area where work is proposed, to gather information for a design or an estimate to complete the initial tasks required for an outdoor activity 1. A site survey can cover various aspects, such as antenna installation space, equipment room space and load bearing capacity, site location, and other environmental factors 2. However, a site survey does not cover the models of hardware boards on base stations, as this information is not related to the physical characteristics of the site. The models of hardware boards on base stations are determined by the network design and configuration, which are based on the network requirements and specifications 3. Therefore, the correct answer is C.
NEW QUESTION # 37
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