H13-821_V3.0 Exam Questions

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 f...

Which of the following descriptions about Region and AZ is correct?

Please sort the following typical use process of Docker according to the correct operation process. (1) Docker pulls the mirror from the mirror warehouse (2) Develop applications a...

Which of the following descriptions about the use of the FunctionGraph service is wrong?

With the rapid growth of Internet business, the application architecture is also constantly changing. Regarding the changes in the mainstream application architecture, which of the...

An Internet company uses Huawei Cloud to deploy its business, uses IPCO1 to deploy its development environment, and uses C2 to deploy its test environment. Now that the development...

In software projects/engineering, CI/CD is a name that is often mentioned. In the following description about CI/CD, which one is wrong?

Application operation and maintenance management service AOM is a three-dimensional operation and maintenance service centered on resource data and associated with logs, indicators...

After an Internet company uses the microservice framework to develop a project, it plans to release it online. It currently plans to use grayscale release. Which of the following d...

Huawei Cloud's self-developed database GaussDB (for Redis) provides multiple connection methods. Which of the following connection methods for GaussDB (for Redis) is wrong?

Which of the following descriptions about cloud resolution service DNS is wrong?

During the application release (such as application upgrade/update) period of an enterprise, the application will be temporarily unavailable due to application system upgrades and...

A company deployed multiple sets of Muermetes environments in the XX data center, and conducted unified monitoring of multiple sets of ubernetes environments through Pometheus (sep...

An Internet company is developing its own website. At the initial stage of website construction, the number of visits is very low. When communicating its needs, the company stated...

After using the elastic scaling service in the application system, a customer found that the service has certain limitations in actual use. Which of the following descriptions abou...

The elastic cloud server ECS can switch the system disk by switching the operating system. Which description is wrong?

An enterprise has deployed its business system on Huawei Cloud and needs to ensure the reliability and continuity of the business. Which of the following statements is wrong?

Which of the following types of elastic cloud servers is most recommended for scenarios that require memory, a large amount of data and data access, and require fast data exchange...

Security is the basis of architecture design. Designing a secure architecture can minimize the risk of system intrusion and ensure business operation. Which of the following is not...

Customers need to understand the instance life cycle before using an elastic cloud server. The life cycle refers to the various states that an ECS goes through from creation to exe...

Kubernetes can restart the container after it senses that the container has crashed. For example, the memory of a Java program leaks and the program cannot work normally, but the J...

Through the Huawei application service grid ASM service, users can easily and quickly complete the entire process of grayscale publishing. Which of the following process descriptio...

HUAWEI CLOUD provides complete solutions ranging from TaaS, PaaS, big data, and EI enterprise intelligence. Which service does not belong to the application operation and maintenan...

Application operation and maintenance management AOM service supports in-depth docking application services, one-stop collection of operation and maintenance data of infrastructure...

An e-commerce website plans to carry out large-scale discount activities during the company's anniversary. In order not to affect the user experience during the peak period, the op...

Compared with object storage service OBS and elastic file service SFS, block storage service EVS mainly uses?

The instance removal strategy supported by the elastic scaling service AS, when the instance in the scaling group is upgraded to a new instance type, and the older instance can be...

Which of the following descriptions about scalability design in the five principles of enterprise application architecture design is wrong?

HUAWEI CLOUD resolution service provides highly available and scalable DNS services, which convert commonly used domain names into IP addresses for computer connections. Cloud DNS...

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

Application operation and maintenance management service AOM is a one-stop three- dimensional operation and maintenance management platform for cloud applications. It monitors clou...

HUAWEI CLOUD DRS provides various functions such as migration, synchronization, disaster recovery and subscription. Which of the following descriptions about DRS service features o...

An enterprise is mainly engaged in the research and development of biological genes and pharmaceuticals. Due to the rapid expansion of business, the current computing resources are...

Which of the following statements about situational awareness and services are correct? (Multiple choice)

When users perform application development and management on Huawei Cloud, they may use services such as the software development platform DevClou and the application management an...

Which of the following descriptions about cloud hard drive EVS initialization are correct? (Multiple choice)

An Internet company purchased the public network MAT gateway service. When configuring gateway specification parameters, there are four specifications to choose from. Considering t...

As the overall solution for Huawei Cloud database migration, the database migration tool set is very important. Which of the following is true about the description of the toolset?...

Which of the following descriptions about the features of the data exploration DLI are correct? (Multiple choice)

Which of the following descriptions about cloud backup CBR is correct? (Multiple choice)

Web Application Firewall (WAF) is an application security protection product provided by Huawei Cloud. Which of the following threats can WAF protect against? (Multiple choice)

Huawei Cloud provides cloud container engine service CCE and cloud container instance service CCI to provide customers with elastic and high-performance enterprise-level container...

Due to business needs, an independent software developer 1SV often needs to repeatedly deploy the environment. It takes a long time to prepare the environment. Errors will inevitab...

Network QoS refers to the use of various basic technologies to provide better service capabilities for designated network communications. Configuring QoS in the network environment...

An e-commerce company plans to launch a new product display business, in order to ensure that it can meet the ever-increasing access demand and the security of new service access....

Spring Cloud is a common microservice system architecture. Which of the following description about Spring Cloud are correct? (Multiple choice)

Which of the following items are typical application scenarios for AS elastic scaling services? (Multiple choice)

High-performance computing elastic cloud servers can provide massive parallel computing resources and high-performance infrastructure services to meet the requirements of high- per...

Which of the following descriptions about Huawei Cloud database MySQL is correct? (Multiple choice)

The cloud hard disk EVS can provide highly reliable, high-performance, rich specifications, and elastically expandable block storage services for elastic cloud servers to meet the...