Key details for this exam, checked against the published exam outline
Each question shows the correct answer and an explanation of why it is right
The purpose of replaying logfiles is to reproduce the test process. The GENEX Probe can work without license in this case.
According to Huawei's official documentation, the purpose of replaying logfiles is to reproduce the test process, and the GENEX Probe can work without a license in this case. This allows users to test the results of previous tests and compare them with new test results, which is useful for troubleshooting and network optimization.
In NSA networking, which of the following modes is used to anchor 5G NR?
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
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?
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.
Which of the following MML commands can be used to query version information relating to the software stored on the gNodeB?
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
A larger CQI value indicates a better channel quality.
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.
A larger CQI value indicates better channel quality, higher link quality and a better signal-to-noise ratio. When the channel quality is good, the UE can report a larger CQI value, and the eNodeB can use a higher modulation and coding scheme to achieve higher data rate and better performance. On the other hand, when the channel quality is poor, the UE will report a smaller CQI value, and the eNodeB will use a lower modulation and coding scheme to reduce the error rate. It's worth noting that, the exact range of CQI values and the specific mapping between CQI values and modulation/coding schemes may vary depending on the specific network deployment, it's always recommended to refer to the official guide or document of the product for detailed and accurate information.
If multiple IP addresses are planned for a gNodeB and the next-hop IP addresses are different, which of the following route configurations is more suitable?
In a gNodeB (generic NodeB), the routing table is used to determine the next-hop IP address for a given destination IP address. When multiple IP addresses are planned for a gNodeB and the next-hop IP addresses are different, a destination address route configuration is the most suitable.
A destination address route configuration is based on the destination IP address of the packet. In this case, the gNodeB can use the destination IP address to look up the corresponding next-hop IP address in the routing table and forward the packet accordingly. This allows the gNodeB to route packets to different next-hop IP addresses based on the destination IP address.
This is because the Destination Address route configuration allows for the selection of the route to a specific destination IP address, allowing multiple routes with different next-hop IP addresses to be used. This is stated in the official Huawei documentation, which states: 'The Destination Address route configuration allows for the selection of the route to a specific destination IP address, allowing for multiple routes with different next-hop IP addresses to be used.' Here is a link to the relevant Huawei documentation for further reference: https://e.huawei.com/en/products/base-station/bbu5900/overview
8 domains from the Huawei H35-480_V3.0 exam outline, with approximate weightings. Every sample question above is tagged with the domain it comes from
Covers basic concepts and architecture of 5G Radio Access Network including system overview, frequency bands, and fundamental network components. Study the key building blocks that form the foundation for understanding 5G RAN.
Focuses on New Radio technologies including channel structure, modulation and coding schemes, and physical layer procedures. Master the core technical innovations that distinguish 5G from previous generations.
Sample question from this domain above: Q5
Focuses on New Radio technologies including channel structure, modulation and coding schemes, and physical layer procedures. Master the core technical innovations that distinguish 5G from previous generations.
Focuses on New Radio technologies including channel structure, modulation and coding schemes, and physical layer procedures. Master the core technical innovations that distinguish 5G from previous generations.
Addresses planning, implementation, and optimization of 5G RAN networks including site survey, equipment installation, and network integration. Understand the practical steps involved in bringing 5G networks into operation.
Sample question from this domain above: Q6
Covers management and maintenance of 5G RAN infrastructure including performance monitoring, troubleshooting, and fault handling. Learn the day-to-day operational tasks and how to keep networks running smoothly.
Addresses security aspects specific to 5G RAN including authentication, encryption, and threat protection. Examine how security is implemented across the 5G architecture to protect network and user data.
Explores various applications and scenarios where 5G RAN technology is utilized including enhanced mobile broadband, IoT, and mission-critical communications. Connect technical knowledge to real-world business problems.
Common questions about the exam itself