[2024年01月15日] 365日無料更新H35-480_V3.0知能問題集をゲット
ベスト品質のHuawei H35-480_V3.0試験問題
質問 # 18
Which of the following devices is used to implement service slicing on the 5G RAN side?
- A. AAU
- B. RRU
- C. Antenna
- D. BBU
正解：D
質問 # 19
According to 3GPP specifications, which of the following is not an RRC state in 5G?
- A. RRC_INACTIVE
- B. RRC_ACTIVE
- C. RRC_IDLE
- D. RRC_CONNECTED
正解：B
解説：
Explanation
https://devopedia.org/5g-ue-rrc-states
質問 # 20
What is the required distance between a CPE and a gNodeB in a 5G network test?
- A. Greater than 5m
- B. Less than 10m
- C. Greater than 10m
- D. Less than 5m
正解：A
質問 # 21
Which of the following frequency locking modes is not supported when the GENEX Probe is used to perform a CPE test?
- A. ARFCN
- B. PCI
- C. Cell frequency
- D. BAND
正解：C
解説：
-"The following frequency locking modes are not supported when the GENEX Probe is used to perform a CPE test: PCI, Cell frequency" in Huawei official website.
質問 # 22
F-OFDM over the NR air interface uses flexible subcarrier spacing to meet the requirements of different 5G service scenarios. Which of the following types of subcarrier spacing is not supported by Sub6G?
- A. 30KHz
- B. 15KHz
- C. 60KHZ
- D. 120KHz
正解：D
解説：
F-OFDM (Filtered Orthogonal Frequency Division Multiplexing) over the NR air interface uses flexible subcarrier spacing to meet the requirements of different 5G service scenarios. F-OFDM is a 5G physical layer waveform that is designed to provide high spectral efficiency, low complexity and low latency. It uses a flexible subcarrier spacing, which can be adjusted to meet the requirements of different 5G services. The subcarrier spacing can be 15KHz, 30KHz, 60KHz, or 120KHz.
Sub-6GHz 5G networks are designed to provide wide-area coverage and support high data rate services such as mobile broadband, IoT, and critical communications. Sub-6GHz band is mainly used for 5G deployment in rural areas, and in-building coverage.
Therefore, the subcarrier spacing that is not supported by Sub-6GHz is 120KHz. So the correct answer is A. 120KHz. It's worth noting that each subcarrier spacing has its own advantages and disadvantages. 120KHz spacing is mainly used for low mobility services such as fixed wireless access, while 15KHz spacing is mainly used for high mobility services such as mobile broadband.
質問 # 23
What are the typical sizes of ping packets and intervals in single site verification? (Choose All that Apply)
- A. 1500 bytes, 2s
- B. 32 bytes, 2s
- C. 32 bytes, 1s
- D. 1500 bytes, 1s
正解：C、D
解説：
-"In single site verification, the typical ping packet size is 32 bytes and 1500 bytes, the typical interval is 1s." in Huawei official website.
質問 # 24
Which of the following statements about the NR slot structure are correct?
- A. The number of symbols in one slot is fixed to 14 regardless of the subcarrier spacing configuration.
- B. Downlink slots can only be used to transmit downlink data.
- C. Downlink self-contained slots can be used to transmit uplink data and SRSs.
- D. The symbols in a slot can be classified as downlink, uplink, or flexible.
正解：A
質問 # 25
Which of the following is the recommended sequence for configuring data during gNodeB commissioning?
- A. Basic data - Device data - Transport data - Radio Data
- B. Device data - Transport data - Radio data - Basic data
- C. Transport data - Radio data - Device data - Basic data
- D. Basic data - Radio data Device data - Transport data
正解：C
質問 # 26
An NR CQI value represents a coding scheme and coding efficiency. How many bits does a CQI value reported by a UE have?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
解説：
An NR CQI value represents a coding scheme and coding efficiency, and they are reported in the form of 8 bits by a UE. According to the official Huawei documentation, "The 8-bit long CQI value maps to a coding scheme and coding efficiency that can be used for Transport Block (TB) size selection." CQI (channel quality indicator) is a value that represents the channel quality of the wireless link between a UE (user equipment) and an eNodeB (base station) in an NR (New Radio) network. The UE reports the CQI value to the eNodeB, which uses it to determine the optimal coding scheme and modulation for the downlink transmissions to that UE.
The CQI value is reported by UE to the eNodeB, it's a value that indicates the channel quality of the link between the UE and the eNodeB. The CQI value is encoded in 8 bits, which allows for a total of 256 different CQI values.
質問 # 27
Which of the following messages is the first message sent by a gNodeB to an AMF?
- A. NGAP_UL_NAS_TRANSP
- B. NGAP_INIT_CONTEXT_SETUP_RSP
- C. RRC_SETUP
- D. NGAP_INIT_UE_MSG
正解：D
解説：
According to the official Huawei documentation, the first message sent by a gNodeB to an AMF is NGAP_INIT_UE_MSG. This message is used to initiate a connection between the gNodeB and AMF.
質問 # 28
Which of the following is the recommended sequence for configuring data during gNodeB commissioning?
- A. Transport data - Radio data - Device data - Basic data
- B. Basic data - Device data - Transport data - Radio Data
- C. Device data - Transport data - Radio data - Basic data
- D. Basic data - Radio data Device data - Transport data
正解：D
質問 # 29
Which of the following files must be prepared when remotely commissioning a gNodeB using the MAE Deployment?
- A. Base station software package of the target version
- B. Base station license
- C. Data configuration file of the base station
- D. Site deployment list
正解：A、D
質問 # 30
Which of the following MML commands can be used to query version information relating to the software stored on the gNodeB?
- A. DSP SOFTWARE
- B. LST VER
- C. LST SOFTWARE
- D. LST PATCH
正解：C
解説：
The correct MML command to query version information relating to the software stored on the gNodeB is LST SOFTWARE. This command will list the version information of the software installed on the gNodeB, including the version numbers, software names, and more. This is stated in the official Huawei documentation, which states: "Use the LST SOFTWARE command to check the version information of the software installed on the gNodeB, including the version numbers, software names, and more." Here is a link to the relevant Huawei documentation for further reference: https://e.huawei.com/en/products/base-station/bbu5900/overview
質問 # 31
Which of the following NR slot configurations are defined in 3GPP specifications? (Choose All that Apply)
- A. Mixed slot, which contains at least one downlink/uplink symbol while other symbols can be flexibly configured
- B. Uplink-only slot (all symbols are dedicated for uplink)
- C. Downlink-only slot (all symbols are dedicated for downlink)
- D. Flexible-slot (all symbols are flexibly configured)
正解：A、B、C、D
解説：
1. Mixed slot is a slot configuration in which at least one downlink/uplink symbol is present, while other symbols can be flexibly configured for downlink or uplink transmission. This allows for a more efficient use of resources and better support for different types of services. B. Flexible-slot is a slot configuration in which all symbols are flexibly configured for downlink or uplink transmission. This allows for a more efficient use of resources and better support for different types of services. C. Downlink-only slot is a slot configuration in which all symbols are dedicated for downlink transmission, This configuration is mainly used for downlink-centric services such as video streaming or software downloads. D. Uplink-only slot is a slot configuration in which all symbols are dedicated for uplink transmission, this configuration is mainly used for uplink-centric services such as voice calls or video conferencing.
質問 # 32
During 5G single site verification, you only need to test the user access and rate. Other test items are analyzed in drive tests.
- A. True
- B. False
正解：B
質問 # 33
In the inter-site DC solution, the X2 interface can be used to implement transmission interconnection between the LTE and NR sites. Which of the following is the requirement of the transmission delay in such case?
- A. <10ms
- B. <20ms
- C. <30ms
- D. <40ms
正解：B
解説：
The X2 interface is a signaling interface used in LTE networks to interconnect two eNodeBs (LTE base stations) to support handover and other functions. In the inter-site DC solution, the X2 interface can also be used to implement the transmission interconnection between the LTE and NR sites.
In order to ensure smooth handover and service continuity between the LTE and NR sites, it is necessary to meet the requirement of low transmission delay, which is typically <20ms. This low delay requirement is important to ensure that the handover can be completed quickly and without interruption to the ongoing service.
質問 # 34
The BBU5900 uses a modular design. Which of the following subsystems constitute the BBU?
- A. Main control subsystem
- B. Transmission subsystem
- C. Baseband subsystem
- D. RF subsystem
正解：A、B、C
質問 # 35
F-OFDM over the NR air interface uses flexible subcarrier spacing to meet the requirements of different 5G service scenarios. Which of the following types of subcarrier spacing is not supported by Sub6G?
- A. 30KHz
- B. 15KHz
- C. 60KHZ
- D. 120KHz
正解：D
質問 # 36
Which of the following NR slot configurations are defined in 3GPP specifications?
- A. Uplink-only slot (all symbols are dedicated for uplink)
- B. Mixed slot, which contains at least one downlink/uplink symbol while other symbols can be flexibly configured
- C. Downlink-only slot (all symbols are dedicated for downlink)
- D. Flexible-slot (all symbols are flexibly configured)
正解：C、D
質問 # 37
In what scenarios is GENEX Assistant typically applied?
- A. Single site verification
- B. Wireless network adjustment
- C. Routine network optimization
- D. Batch processing of gNodeB alarms
正解：D
質問 # 38
Which of the following messages is the first message sent by a gNodeB to an AMF?
- A. NGAP_INIT_UE_MSG
- B. NGAP_UL_NAS_TRANSP
- C. NGAP_INIT_CONTEXT_SETUP_RSP
- D. RRC_SETUP
正解：C
質問 # 39
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