[Jul-2024] Check your preparation for Huawei H35-580_V2.0 On-Demand Exam [Q10-Q33]

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[Jul-2024] Check your preparation for Huawei H35-580_V2.0 On-Demand Exam

Practice Exam H35-580_V2.0 Realistic Dumps Verified Questions

Huawei H35-580_V2.0 certification exam is aimed at individuals who aspire to become 5G RNP&RNO professionals, including network engineers, network planners, network administrators, and technical support engineers. H35-580_V2.0 exam covers a wide range of topics, including the fundamentals of 5G networks, 5G RNP&RNO principles, 5G network planning and optimization, and 5G network performance management. H35-580_V2.0 exam is designed to test the practical skills of candidates in real-world scenarios, ensuring that they possess the required knowledge and expertise to work with 5G technologies.

To prepare for the Huawei H35-580_V2.0 exam, candidates can take advantage of the various training resources provided by Huawei, such as online courses, self-study materials, and practice exams. Additionally, candidates can gain hands-on experience by working on 5G radio network projects, either as part of their job or through personal projects.

NEW QUESTION 10
Which of the following statements about Huawei AAUs are correct?(Select All that Apply)

AAUs have an operating voltage of -48 V DC.

They support LTE-NR dual-mode on some frequency bands.

64T64R AAUs provide higher coverage gains than 32T32R AAUs.

They support GSM-NR dual-mode on some frequency bands.

Explanation
According to the Huawei’s Latest AAU Products, Huawei’s AAUs have an operating voltage of -48 V DC and support LTE-NR dual-mode on some frequency bands, such as C-band and sub-3 GHz bands. The article also states that Huawei’s new-generation 64T64R AAUs provide higher coverage gains than conventional 32T32R AAUs by using ELAA (extremely large antenna array) technology. Huawei’s AAUs do not support GSM-NR dual-mode on any frequency band, as GSM is not a compatible RAT with NR.

NEW QUESTION 11
What is the maximum bandwidth in mmWave bands as defined in 3GPP Release 16?

400MHz

60MHz

100MHz

20MHz

Explanation
According to the 5G mmWave Frequency Bands, the maximum bandwidth in mmWave bands as defined in
3GPP Release 16 is 400MHz, which can be achieved without any carrier aggregation method.

NEW QUESTION 12
In NSA networking, which of the following methods can be used to support X2 interconnection between an eNodeB and a gNodeB?(Select All that Apply)

Interconnection through CI interfaces on the UMPT boards in different subracks

Interconnection via backplane in a subrack

Interconnection through HEI interfaces on the UBBP boards in different subracks

IPRAN interconnection between subracks

Explanation
According to the 5G EN-DC Architecture and Interfaces, there are two methods that can be used to support X2 interconnection between an eNodeB and a gNodeB in NSA networking:
Interconnection through CI interfaces on the UMPT boards in different subracks: The UMPT is a universal main processing and transmission unit that provides main processing and transmission functions for a subrack. The UMPT has two CI interfaces that can be used for X2 interconnection with other base stations. The CI interfaces support CPRI, OBSAI, and eCPRI protocols and can use optical fibers or electrical cables for transmission. The CI interfaces can be configured as master or slave interfaces depending on the network topology.
IPRAN interconnection between subracks: IPRAN is an IP-based radio access network that uses IP transport technologies to carry base station traffic over Ethernet or MPLS networks. IPRAN can support X2 interconnection betweendifferent base stations by using IP routers or switches. IPRAN can provide flexible networking, high bandwidth, low latency, and high reliability for X2 interconnection.
The other two methods are not valid for X2 interconnection between an eNodeB and a gNodeB:
Interconnection via backplane in a subrack: This method is only applicable for X2 interconnection between two eNodeBs or two gNodeBs that are installed in the same subrack. The backplane is the internal bus that connects different boards within a subrack. The backplane supports CPRI, OBSAI, and eCPRI protocols and can provide high-speed data transmission between boards.
Interconnection through HEI interfaces on the UBBP boards in different subracks: This method is not supported by Huawei base stations. The HEI interface is a high-speed Ethernet interface that is used for data transmission between base stations and core networks or transport networks. The HEI interface supports S1, Xn, F1, E1, and N2 protocols and can use optical fibers or electrical cables for transmission. The HEI interface cannot be used for X2 interconnection between base stations.
Therefore, the correct answer is A and D.

NEW QUESTION 13
Which of the following statements about the space principles for 5G BBU installation are correct?(Select All that Apply)

If the installation space is insufficient, the BBU can be installed on a wall. Ensure that the wall meets the load bearing requirements.

If the space is greater than 600 mm, a cabinet can be added to install the BBU.

If the installation space is insufficient, install 5G boards directly into the existing 4G B8U.

If the remaining space of an existing cabinet is greater than 4 U, the BBU can be installed directly.

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 14
In order to achieve ideal coverage, what is the clearance requirement around an antenna?

1-5m

50-100m

5-10m

5000-10000m

Explanation
In order to achieve ideal coverage, there should be a clearance zone around an antenna of at least d, where d is the Fraunhofer or Rayleigh distance at which the near/far-field transition zone exists 17. This distance depends on the largest dimension of the antenna, D, and the operating wavelength, \uF06C. Ideally, D should be at least a half of a wavelength, which gives a minimum clearance zone of a half-wavelength. For example, at 2.4 GHz, the wavelength is about 0.125 m, so the minimum clearance zone is about 0.0625 m. However, in practical situations, this clearance zone is often compromised and the effects must be determined through simulation or empirical measurement 18. A general guideline is to have a clearance zone of 5-10 m around an antenna to avoid significant degradation of performance 19. Therefore, the best answer is C.

NEW QUESTION 15
Which of the following channels/signals is used by the UE to measure and obtain the CQI?

PDSCH

OSSB

CSI-RS

PDCCH

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 16
Which of the following is not the cause of cell unavailability due to system faults (specified using
N.Cell.Unavail.Dur.System)?

CPRI link faults

Blocking cells by using MML commands

Board faults

Faults on an RF module’s TX or RX channels

Explanation
According to the HCIA-5G V2.0 Exam Outline, cell unavailability due to system faults (specified using
N.Cell.Unavail.Dur.System) is caused by factors such as CPRI link faults, board faults, and faults on an RF module’s TX or RX channels, which correspond to options A, C, and D. Blocking cells by using MML commands is not a system fault, but a manual operation, which corresponds to option B.

NEW QUESTION 17
Which of the following factors does not affect downlink coverage?

Base station receive diversity gain

Downlink path loss

Downlink transmit power

Antenna gain

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 18
The PCFICH and PHICH channels have been deleted from the physical layer in 5G compared with LTE.

True

False

Explanation
According to the 5G NR Protocol Structure Changes – An Overview, the PCFICH and PHICH channels have been deleted from the physical layer in 5G compared with LTE, because they are no longer needed due to the flexible frame structure and numerology of 5G NR.

NEW QUESTION 19
In a Huawei base station, which of the following bearers can only be configured as an MCG bearer?

QCI2

QCI6

QCI9

QQ1

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 20
Which of the following protocols/data belong to Layer 3 of the Uu interface?(Select All that Apply)

MAC protocol

RLC protocol

RRC protocol

IP data

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 21
Which of the following spectrum sharing technologies can be used in the 3.5 GHz+2.1 GHz uplink and downlink decoupling/super uplink architecture?

2.1 GHz NR and 2.1 GHz LTE only share the uplink spectrums.

3.5 GHz NR and 2.1 GHz LTE share both the downlink and uplink spectrums.

2.1 GHz NR and 2.1 GHz LTE share both the downlink and uplink spectrums.

3.5 GHz NR and 2.1 GHz LTE only share the uplink spectrums.

Explanation
According to the HCIA-5G V2.0 Exam Outline, the 3.5 GHz+2.1 GHz uplink and downlink decoupling/super uplink architecture uses spectrum sharing technologies such as Dynamic Spectrum Sharing (DSS) and Spectrum Sharing (SS) to enable 3.5 GHz NR and 2.1 GHz LTE to share only the uplink spectrums, while the downlink spectrums are used exclusively by each technology.

NEW QUESTION 22
In the uplink rate test for NR users, which of the following values is the recommended uplink maximum MIMO layers for 2T4R UEs?

Layer3

Layer2

Layer4

Layer1

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 23
After gNodeB hardware is installed and commissioned, which of the following functions needs to be tested and verified in single site verification?

Interoperability capability

SON capability

Equipment functions and coverage capability

Call drop capability

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 24
Which of the following is not a typical application scenario of massive MIMO?

Suburban areas with light traffic

Large venues

High-rise buildings

Densely populated urban areas

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 25
Which of the following boards in a base station support CPU usage measurement?(Select All that Apply)

DFAN

DUB8P

DUPEU

DUMPT

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 26
Which of the following RF modules support 64T64R?(Select All that Apply)

AAU5313

AAU5612

RRU3939

AAU5613

Explanation
According to the Huawei Releases 5G Series Products, Huawei’s AAU5313 and AAU5613 are both RF modules that support 64T64R. The AAU5313 is an ultra-wideband Massive MIMO product that supports both
64T64R and 400 MHz bandwidth on the C-band. The AAU5613 is a BladeAAU Pro product that supports 64T A+P integration on sub-3 GHz bands. The AAU5612 is a BladeAAU product that supports only 32T A+P integration on sub-3 GHz bands. The RRU3939 is not an AAU product but an RRU (Remote Radio Unit) product that supports only 8T8R on sub-3 GHz bands.

NEW QUESTION 27
Which of the following problems may cause SCTP link disconnection over the N2 interface?(Select All that Apply)

Routes are not configured.

PLMN configurations are incorrect.

Physical ports are faulty.

The SCTP port configuration is incorrect.

Explanation
According to the Troubleshooting Guide for Huawei 5G Base Stations, the possible causes of SCTP link disconnection over the N2 interface are as follows:
Routes are not configured: If the routes between the base station and the core network are not configured correctly, the SCTP link cannot be established or may be disconnected.
PLMN configurations are incorrect: If the PLMN configurations on the base station and the core network do not match, the SCTP link cannot be established or may be disconnected.
Physical ports are faulty: If the physical ports on the base station or the core network are faulty, such as damaged cables, loose connectors, or port errors, the SCTP link cannot be established or may be disconnected.
The SCTP port configuration is incorrect: If the SCTP port configuration on the base station or the core network is incorrect, such as using a reserved port number or a conflicting port number, the SCTP link cannot be established or may be disconnected.

NEW QUESTION 28
Handover execution failures can use the counters to collect failure reasons in SA networking.

True

False

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 29
Which of the following channels/signals require demodulation reference signals (DMRSs)?(Select All that Apply)

DPBCH

DPDCCH

DPOSCH

DCSI-RS

Explanation
According to the 5G NR Physical Layer Specifications, demodulation reference signals (DMRSs) are required for the following channels/signals in the downlink and uplink:
Downlink Physical Broadcast Channel (DPBCH)
Downlink Physical Downlink Control Channel (DPDCCH)
Downlink Physical Shared Channel (DPOSCH)
Uplink Physical Random Access Channel (PRACH)
Uplink Physical Uplink Control Channel (PUCCH)
Uplink Physical Uplink Shared Channel (PUSCH)

NEW QUESTION 30
What are characteristics of eCPRI links?(Select All that Apply)

They are based on the TDM mechanism.

They require dock synchronization.

They are based on the IP mechanism.

They require AAU support.

Explanation
According to the eCPRI Specification V2, eCPRI links have the following characteristics:
They require clock synchronization: eCPRI links use Ethernet as the transport layer, which does not provide inherent synchronization. Therefore, eCPRI links require external clock synchronization methods, such as IEEE 1588v2 Precision Time Protocol (PTP) or Synchronous Ethernet (SyncE).
They are based on the IP mechanism: eCPRI links use IP as the network layer, which provides routing and addressing functions for eCPRI messages. eCPRI links can use either IPv4 or IPv6 protocols.
They require AAU support: eCPRI links connect between Radio Equipment Control (REC) and Radio Equipment (RE) in a base station. AAU (Active Antenna Unit) is a type of RE that integrates RF and antenna functions in one unit. Therefore, eCPRI links require AAU support to enable flexible functional split options and reduce fronthaul bandwidth requirements.
eCPRI links are not based on the TDM mechanism because they do not use fixed time slots to transmit data.
Instead, they use variable-length packets to transmit data according to different service requirements.

NEW QUESTION 31
Which of the following logical channels can be mapped to different transport channels?

CCCH

BCCH

DCCH

PCCH

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 32
In SA networking, which of the following messages is used to deliver PRACH power control parameters to UEs?

SIB2

RRC reconfiguration

MIB

SIB1

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
Which of the following protocol layers has been added to the 5G air interface protocol stack compared with
4G?

POCP

RRC

SDAP

MAC

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.

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