Best Huawei H13-821_V3.0-ENU 2025 Training With 415 QA’s [Q128-Q148]

QUESTION 128
An e-commerce platform deploys its business on Huawei Cloud. Recently, some customers reported problems such as slow webpage refresh and long waiting time. The operation and maintenance personnel checked the monitoring and found that the IO value of the shared storage for storing static files was too high, so they decided to purchase CDN services to accelerate their website access. The CDN acceleration principle is that when users request resources, static content is obtained from the nearest edge node, and dynamic content is obtained through the acceleration technology manually selects the optimal route back to the source for acquisition.

QUESTION 129
Serverless is a model of cloud computing based on Platform as a Service (Paas). Serverless computing provides a micro-architecture. End customers do not need to deploy, configure, or manage server services. The server services required for code operation are all provided by the cloud platform. Therefore, Serverless can be regarded as a single cloud service product.

QUESTION 130
Which of the following descriptions about cloud-native key technologies are correct? (Multiple choice)

QUESTION 131
No-relational databases have extremely high concurrent read and write performance. Because it uses () to store data.

QUESTION 132
After migrating the traditional architecture to the cloud, proper use of HUAWEI CLOUD products can significantly improve performance. The following is a description of each product and scenario. Please match the application scenario with the applicable service product.

QUESTION 133
An e-commerce platform held a large-scale promotional event, and the number of visits to the business increased rapidly in a short period of time, which only lasted for a few hours.
Which of the following two service combinations can handle this scenario? (Multiple choice)

QUESTION 134
The application of the microservice architecture in a cloud-based scenario needs to analyze and locate problems through logs. Using traditional log location methods is often time-consuming and laborious. In the following description of the ServiceStage log function of the Huawei Cloud application management and operation and maintenance platform, which is correct? (Multiple choice)

QUESTION 135
Huawei Cloud provides () platform services for IoT access scenarios, providing the ability to connect massive devices to the cloud, devices and cloud two-way message communication, etc., and can flexibly transfer device data to other services of Huawei Cloud, which can help the Internet of Things Industry users quickly complete equipment networking and industry application integration.
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QUESTION 136
ROMA Connect supports integrated conversion between data with the same structure, but does not support integrated conversion between heterogeneous data.

QUESTION 137
In the “three stages and two transformations” of enterprise IT digital transformation, in the process of transforming from resource-centered cloudification to application-centered cloud-native transformation, the core of the transformation is the automatic operation and maintenance of resources.

QUESTION 138
A user’s website is deployed on Huawei Cloud, and the public network ELB is used as the load balancer. Multiple ECS instances in the ELB backend server group are configured with the same weight, but the actual ECS instance loads are different.
Which of the following is the most likely cause?

QUESTION 139
Management Detection and Response MDR combines Huawei’s more than 30 years of security experience to establish a security risk management and control system for customers consisting of management, technology, and operation and maintenance in the form of cloud services.

QUESTION 140
An Internet company uses HUAWEI CLOUD to deploy its business. Due to business needs, it is required to open up the network of the development team and the test team. Because the tenants of each project group are created independently, when using the tenant of the development dimension to create a peer-to-peer connection, the tenant in the test group needs to accept the request before the creation can be successful. If the tenant of the test group rejects the request, the peer connection cannot be established successfully.

QUESTION 141
In the IoT data processing scenario of the HUAWEI CLOUD Serverless solution, after the user configures the DIS trigger for the processing function, the function will be automatically scheduled as long as the corresponding DIS channel collects data.

QUESTION 142
When designing the system architecture, in order to make complex business modules cooperate more closely and achieve parallelism of multiple tasks, the architecture should be as tightly coupled as possible.

QUESTION 143
In Kubernetes Deployment, you can specify the number of copies of a specific pod. When the number of pods in the entire cluster is less than a thousand copies, kBs will automatically create the missing POD

QUESTION 144
Relational databases generally store data in the form of tables, and non-relational databases generally store data in the form of keyvalues.

QUESTION 145
The Internet of Things is an important part of the new generation of information technology, and it is also an important development stage in the “informationization” era. If the factory connects the production line equipment to the 1oT platform to monitor, analyze and warn the equipment in real time, the equipment can be effectively improved. Use efficiency.
HUAWEI CLOUD provides an IoT solution. Which of the following descriptions about this solution is wrong?

QUESTION 146
Which of the following descriptions about dedicated distributed storage DSS is correct? (Multiple choice)

QUESTION 147
When users use HUAWEI CLOUD Log Service LTS, logs exceeding the storage time will be automatically deleted, but users can dump log data to OBS buckets for long-term storage as needed. How long does the LTS service store log data for users by default?

QUESTION 148
A user deploys an application through Kubernetes. If it is necessary to collect the running status monitoring information of each node, it can be done by starting a DaemonSet on all nodes for running the monitoring daemon process.