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NEW QUESTION 13
The RSRP value of the test terminal can be viewed on the GENEX Probe. Which of the following test results indicate good signal quality?
- A. 30 to 60dBm
- B. -60dBm to -90dBm
- C. -30 to -60dBm
- D. 0 to 60dBm
Answer: C
NEW QUESTION 14
In what scenarios is GENEX Assistant typically applied?
- A. Routine network optimization
- B. Wireless network adjustment
- C. Batch processing of gNodeB alarms
- D. Single site verification
Answer: C
NEW QUESTION 15
Which of the following devices is used to implement service slicing on the 5G RAN side?
- A. BBU
- B. Antenna
- C. AAU
- D. RRU
Answer: A
Explanation:
On the 5G RAN side, Service Slicing is implemented using a Base Band Unit (BBU). A BBU is a device that performs baseband processing functions, such as modulation, demodulation, and encoding/decoding of signals. It is also responsible for the connection to the core network and the management of the radio resources. In 5G, BBU is a key component to support service slicing, where different services can be assigned different slices of the network resources, such as bandwidth, power, and quality of service. This allows for more efficient use of resources and better management of different types of traffic, such as broadband and low latency services.
NEW QUESTION 16
Which of the following RF modules support 64T64R?
- A. RRU5901
- B. AAU5619
- C. AAU5613
- D. AAU5313
Answer: B,C
NEW QUESTION 17
Which of the following devices is used to implement service slicing on the 5G RAN side?
- A. BBU
- B. Antenna
- C. AAU
- D. RRU
Answer: A
NEW QUESTION 18
Which type of information about NR cells is carried in the neighboring NR cell MRs reported by UEs?
- A. TA
- B. PCI
- C. MACCE
- D. RSRP
Answer: B,D
NEW QUESTION 19
In SA networking, the mobile country code (MCC) and mobile network code (MNC) information added on the gNodeB must be consistent with the PLMN information on the core network.
- A. True
- B. False
Answer: A
Explanation:
"The Mobile Country Code (MCC) and Mobile Network Code (MNC) information added on the gNodeB must be consistent with the PLMN information on the core network."
NEW QUESTION 20
SSB GSCN is the center frequency number of an NR cell.
- A. True
- B. False
Answer: A
Explanation:
SSB GSCN is the center frequency number of an NR cell. SSB GSCN stands for "SS block group-specific cell number" and is used to identify the center frequency of an NR cell. This value is used in combination with the operating bandwidth of the cell to determine the physical layer resource grid for the cell. As such, it is important for the correct SSB GSCN to be configured for the cell in order to ensure the correct channel coding.
https://www.qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/powerpoint_presentation_-_making_5g_nr_a_reality_february_2020_web.pdf Making 5G NR a Commercial Reality A unified, more capable 5G air ...
https://www.qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/powerpoint_presentation_-_making_5g_nr_a_reality_february_2020_web.pdf
https://www.gtigroup.org/d/file/Resources/rep/2019-07-05/cbf7810256b4c312c460863fcb77bd58.pdf GTI 5G Device Power Consumption White Paper
https://www.gtigroup.org/d/file/Resources/rep/2019-07-05/cbf7810256b4c312c460863fcb77bd58.pdf In 5G NR, the SSB (Secondary Synchronization Signal Block) is used to provide the time and frequency synchronization information to the mobile devices. It is transmitted in the frequency domain and it consists of two parts: the SSB GSCN (Secondary Synchronization Signal Block - Group and Sequence Number) and the SSB MIB (Secondary Synchronization Signal Block - Master Information Block).
The SSB GSCN is a unique identifier that indicates the center frequency number of the cell. It is used to identify the cell and to determine the frequency offset of the cell with respect to the carrier frequency.
So, the statement is true, SSB GSCN is the center frequency number of an NR cell. It's worth noting that the SSB MIB contains other system information such as the system bandwidth, the transmission bandwidth configuration, and the number of symbols in a slot.
NEW QUESTION 21
Which of the following statements about the functions of an AAU are correct?
- A. Baseband data processing
- B. Up/down conversion of spectrum
- C. Signal filtering
- D. Power amplification
- E. Analog-to-digital/digital-to-analog conversion
Answer: A,E
NEW QUESTION 22
According to 5G eMBB service requirements, which of the following is the minimum rate required for network edge coverage?
- A. 1Mbps
- B. 10Gbps
- C. 100Mbps
- D. 1Gbps
Answer: C
NEW QUESTION 23
Which of the following is the recommended sequence for configuring data during gNodeB commissioning?
- A. Transport data - Radio data - Device data - Basic data
- B. Device data - Transport data - Radio data - Basic data
- C. Basic data - Device data - Transport data - Radio Data
- D. Basic data - Radio data Device data - Transport data
Answer: D
NEW QUESTION 24
Which of the following MML commands is used to bind a physical sector to an AAU on a gNodeB?
- A. ADD NRCELL
- B. ADD NRLOCELL
- C. ADD NRDUCELLCOVERAGE
- D. ADD SECTOR
Answer: B
Explanation:
According to the Huawei SA Networking Product Design Guide (https://www.huawei.com/en/doc/e_huaweidoc/pdf/HW_051525), the MML command used to bind a physical sector to an AAU on a gNodeB is 'ADD NRLOCELL'.
NEW QUESTION 25
In NSA networking, which of the following modes is used to anchor 5G NR?
- A. OGSM
- B. CDMA
- C. WCDMA
- D. LTE
Answer: D
Explanation:
The non-standalone (NSA) mode of 5G NR refers to an option of 5G NR deployment that depends on the control plane of an existing 4G LTE network for control functions, while 5G NR is exclusively focused on the user plane.[7][8] This is reported to speed up 5G adoption, however some operators and vendors have criticized prioritizing the introduction of 5G NR NSA on the grounds that it could hinder the implementation of the standalone mode of the network
NEW QUESTION 26
According to 3GPP specifications, which of the following is not an RRC state in 5G?
- A. RRC_CONNECTED
- B. RRC_IDLE
- C. RRC_ACTIVE
- D. RRC_INACTIVE
Answer: D
Explanation:
According to 3GPP specifications, the RRC states in 5G are RRCIDLE, RRCACTIVE, and RRCCONNECTED. RRCINACTIVE is not an RRC state defined in 3GPP specifications. RRCIDLE is the state when the UE is not attached to an eNB and is not actively monitoring for paging. RRCACTIVE is the state when the UE is attached to an eNB and is actively monitoring for paging. RRCCONNECTED is the state when the UE has an established RRC connection with an eNB.
The RRC is a protocol that controls the radio resources of the mobile device in a cellular network. 3GPP (3rd Generation Partnership Project) has defined several RRC states for 5G NR (New Radio) to manage the radio resources of the mobile device. These states are:
1. RRC_IDLE: The mobile device is not connected to any cell and is not actively searching for a cell to connect to. B. RRC_ACTIVE: The mobile device is connected to a cell and is actively communicating with it. C. RRC_CONNECTED: The mobile device is connected to a cell, but it's not actively communicating with it. It is in a low power state and is only listening to the paging channel for incoming calls or data.
So, the correct answer is D. RRC_INACTIVE, is not an RRC state in 5G according to 3GPP specifications. It's worth noting that the RRC state of the mobile device can change dynamically based on the network conditions, service requirements, and the mobile device's power management.
NEW QUESTION 27
After the cell search is complete, a 5G UE automatically selects a PLMN based on the priority sequence.Which PLMN will the UE preferentially select for registration?
- A. U-PLMN
- B. HPLMN
- C. EHPLMN
- D. RPLMN
Answer: A
NEW QUESTION 28
5G wireless network cloudification can significantly improve the user rate.
- A. True
- B. False
Answer: A
Explanation:
Cloudification of 5G wireless networks can significantly improve the user rate. Cloudification refers to the process of virtualizing the functions of a network and running them on commodity hardware in a data center, rather than on dedicated hardware in the network itself. In the case of 5G wireless networks, this can be achieved by virtualizing the Base Station (gNB) functions and running them on a cloud platform. This allows for more efficient use of resources and better scalability, which can result in an improved user rate.
Additionally, Cloud-RAN (C-RAN) architecture, which is a cloud-based centralization of the baseband processing functions can also be used to improve the user rate by reducing the number of active base stations required in a given area, and also by allowing for more efficient management of resources and more flexible deployment of services.
However, it's worth noting that the improvement of the user rate is not only limited to cloudification, but it's also related to many other factors such as network design, optimization, and management.
NEW QUESTION 29
During a 5G test, a portable computer is directly connected to the LAN port of the Huawei CPE through a network cable to obtain a dynamic IP address for communication.
- A. True
- B. False
Answer: B
NEW QUESTION 30
During a 5G test, a portable computer is directly connected to the LAN port of the Huawei CPE through a network cable to obtain a dynamic IP address for communication.
- A. True
- B. False
Answer: A
Explanation:
According to the official Huawei documentation, during a 5G test, a portable computer can be directly connected to the LAN port of the Huawei CPE through a network cable to obtain a dynamic IP address for communication.
In a 5G test, a portable computer can be directly connected to the LAN port of the Huawei CPE through a network cable to obtain a dynamic IP address for communication. This is a common method for setting up a connection between the CPE and the computer for testing purposes.
NEW QUESTION 31
Which of the following messages is the first message sent by a gNodeB to an AMF?
- A. NGAP_INIT_UE_MSG
- B. NGAP_INIT_CONTEXT_SETUP_RSP
- C. NGAP_UL_NAS_TRANSP
- D. RRC_SETUP
Answer: A
Explanation:
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.
NEW QUESTION 32
C-band is the most popular frequency band for 5G network deployment. However, there is an imbalance between uplink and downlink coverage - how much does this imbalance approximately amount to?
- A. 3dB
- B. 12dB
- C. 5dB
- D. 20dB
Answer: A
Explanation:
The imbalance between uplink and downlink coverage in C-band is not fixed, it varies depending on the network configuration, location, and other factors. Generally speaking, it's hard to provide an exact number for this imbalance, as it depends on the specific network conditions and the equipment used.
However, a common practice is to use more power in downlink than uplink, this is due to the fact that downlink is more sensitive to path loss than uplink, and also because the downlink signal is intended to cover a larger area than the uplink. Therefore, the imbalance is commonly in the range of 3 to 6 dB, and it's more likely to be at the lower end of that range. So, the correct answer is B. 3dB It's worth noting that the C-band is not the most popular frequency band for 5G network deployment, it's just one of the many frequency bands that are being used for 5G deployment, and the most popular frequency bands for 5G deployment vary depending on the country, region, and operator.
NEW QUESTION 33
Which of the following functions are implemented by the UBBP board in the BBU5900? (Choose all that Apply)
- A. Processes uplink and downlink baseband signals.
- B. Provides CPRI ports for communication with RF modules.
- C. Manages the configuration and devices for the base station.
- D. Monitors performance and processes signals for the base station.
Answer: A,B
Explanation:
1. The UBBP board in the BBU5900 provides CPRI (Common Public Radio Interface) ports for communication with RF (Radio Frequency) modules. CPRI is an interface standard that is used to transfer baseband signal data between the BBU and the RF modules. D. The UBBP board also processes uplink and downlink baseband signals. This includes signal demodulation, decoding, and modulation, as well as error correction, signal filtering, and other signal processing functions.
NEW QUESTION 34
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