2026 Updated Verified Pass H13-821_V3.0-ENU Exam – Real Questions & Answers [Q158-Q182]

NO.158 Dedicated distributed storage service DSS provides customers with exclusive physical storage resources, and provides high availability, durability, and stable low-latency performance through multiple technologies such as data redundancy and cache acceleration.
Which of the following scenarios applicable to the dedicated distributed storage service DSS is wrong?

NO.159 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)

NO.160 An application development company has multiple branches around the world, and each branch cooperates with each other in development. The code service is deployed at the headquarters, and each place accesses it through a VPN. Income often encounters inconvenient access or unstable network, which affects business development.
The company plans to host the code on HUAWEI CLOUD to meet changing business needs through HUAWEI CLOUD’s code hosting service. Which of the following descriptions about code hosting is correct? (Multiple choice)

NO.161 The Huawei Cloud Application Performance Management APM service is a cloud service that monitors and manages cloud application performance and faults in real time. It can provide professional distributed application performance analysis capabilities. The Agent collects multiple indicators such as application data and basic resource data through intrusion. Help operation and maintenance personnel to quickly solve problems such as problem location and performance bottlenecks in applications under distributed architecture.

NO.162 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 IOT platform, and conducts real-time monitoring, analysis and early warning of the equipment, the equipment can be effectively improved. Use efficiency.
HUAWEI CLOUD provides an IoT solution. Which of the following descriptions about this solution is wrong?

NO.163 Architectural high availability refers to improving the availability of systems and applications by minimizing the downtime caused by routine maintenance operations and sudden system crashes.
Which of the following options is not a high-availability architecture design?

NO.164 The expansion directions in the AKF expansion cube and their corresponding concerns are: the X-axis expansion focuses on the division of responsibilities in the application, such as data types, and the division of transaction execution types, the Y-axis expansion focuses on vertical data and service cloning, that is, “Add machines to solve problems”, Z-axis expansion focuses on service and data prioritization, such as sub-regional division.

NO.165 HUAWEI CLOUD cloud operation and maintenance solution can realize one-stop operation and maintenance of infrastructure layer, application layer and application performance layer, which mainly includes application operation and maintenance management AOM and application performance management APM. Which of the following options belong to APM characteristics of the service? (Multiple choice)

NO.166 HUAWEI CLOUD is the main body responsible for the architecture on the enterprise cloud. When a customer deploys business on HUAWEI CLOUD, HUAWEI CLOUD not only needs to be responsible for the security of the cloud service itself, but also needs to ensure the security of the internal applications of various cloud services used by the customer.

NO.167 Which of the following descriptions about cloud database RDS is wrong?

NO.168 High availability on the cloud is one of the factors that need to be considered when designing the architecture. In the actual design process, multiple ECS instances are often run on the backend of the elastic load balancing EB to avoid () failures.

NO.169 Database Exploration DLl is a one-stop big data platform of HUAWEI CLOUD, providing customers with high-performance big data components of the Hadoop ecosystem such as Hudi, ClickHouse, Spark, Flink, Kafka, HBases, etc., and supports the integration of databases, data warehouses, Bl, and Al and other capabilities.

NO.170 Service Mesh is a specialized infrastructure layer that handles service communication. In the following description of Service Mesh, which items are correct? (Multiple choice)

NO.171 The exclusive distributed storage service DSS supports custom policies.
Which of the following is the correct way to create a custom policy? (Multiple choice)

NO.172 Compared with non-relational databases, relational databases use semi-structured datasets to store data, while non-relational databases use structured tables to store data.

NO.173 Storage disaster recovery service SDRS is a service that provides disaster recovery for services such as elastic cloud server ECS, cloud hard disk service EVS, and dedicated distributed storage service DSS. There are still many differences between disaster recovery services and backup services in protecting data security. Which description of the comparison between the two is wrong?

NO.174 A scaling policy can trigger scaling activities, which is a way to adjust the number of instances or bandwidth in a scaling group. The scaling strategy specifies the conditions that need to be met and the operations that need to be performed. When the scaling conditions are met, the system will automatically trigger a scaling activity. Currently, the system supports three scaling strategies: alarm strategy, timing strategy, and period Strategy.

NO.175 Compared with cloud database RDS, Huawei’s self-developed database GaussDB has many advantages over cloud database RDS in terms of system architecture and other aspects. Which of the following descriptions related to GaussDB is wrong?

NO.176 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 a high-security architecture design purpose?

NO.177 The IoT edge service loT Edge is the application of edge computing in the Internet of Things industry. Which of the following descriptions about the characteristics of loT Edge are correct? (Multiple choice)

NO.178 If there is no special control on the traffic direction of the subnet, and the default IPC intranet intercommunication, the default routing table can be used, and there is no need to configure a custom routing policy.

NO.179 Data encryption service is a comprehensive data encryption service on the cloud. Users can manage the stored data confidentially through the key encryption mechanism.
The data encryption service provides multiple service modules, which of the following options are correct? (Multiple choice)

NO.180 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?

NO.181 In the Kibrnetes cluster, the controller Pod is the smallest deployment unit that can be created, scheduled and managed.
The controller Pd refers to a single container application instance.
Generally, for security reasons, only one container instance runs in the same Pod.

NO.182 A customer purchased the Huawei Cloud VPN service. After the configuration was completed, the VPN was always disconnected.
Which of the following items will cause the configured VPN connection to fail? (Multiple choice)