Huawei H13-821_V3.0 問題集

質問 1：
Huawei Cloud Application Service Grid ASM is a fully managed service grid with high performance, high reliability and ease of use, which supports multiple infrastructures such as virtual machines and containers. Which of the following description of ASM is wrong?
A. Built-in multiple grayscale publishing processes, canary blue and green, providing a one-stop grayscale publishing platform
B. The control surface of ASM is independently developed based on open source, which has higher performance and is not compatible with Isto
C. The data plane of ASM is fully compatible with the open source Istio
D. Support docking with cloud container engine CCE
正解：B

質問 2：
Which of the following descriptions about the product architecture of the document database service DDS replica set is wrong?
A. Users can directly operate the primary node, standby node and hidden node
B. The master node is used for read and write requests
C. The replica set architecture consists of primary nodes, standby nodes and hidden nodes
D. The standby node is used for read requests
正解：A

質問 3：
The exclusive distributed storage service DSS supports custom policies.
Which of the following is the correct way to create a custom policy? (Multiple choice)
A. Client View Create Custom Policy
B. JSON view creation custom policy
C. Visual view to create a custom strategy
D. Create a custom policy in the command line view
正解：B,C

質問 4：
A game company deploys its business on a cloud server equipped with the Linux system, and uses the cloud hard disk service to back up its log data. At present, the operation and maintenance personnel find that the utilization rate of the disk has reached 80%, and the cloud hard disk needs to be expanded. After the operation and maintenance personnel perform the capacity expansion operation, they find that the capacity of the cloud disk has not increased. Possible reason: The engineer only expanded the capacity of the litigation disk, but did not format the expanded part, resulting in the unusable hard disk space after expansion.
A. False
B. True
正解：B

質問 5：
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 policy specifies the conditions that need to be met and the operations that need to be performed when the scaling activity is triggered. When the scaling conditions are met, the system will automatically trigger a scaling activity. Currently, the system supports three scaling policies: alarm policy, timing policy, and periodic policy.
A. False
B. True
正解：B

質問 6：
A user needs to collect logs from the elastic cloud server ECS through the cloud log service TS. Which of the following description of the LTS service is wrong?
A. The log data beyond the storage time will be automatically deleted, and the log data that needs to be stored for a long time can be dumped to the object storage OBS
B. CAgent needs to be installed for the ECS host
C. You can set the log storage time by creating a log stream
D. Log groups can be created in the log stream to facilitate further classification and management of logs
正解：D

質問 7：
The cloud-native database solution in the Huawei Cloud MapReduce service provides a leading architecture for separating storage and computing for unstructured data scenarios such as massive government images and videos. It uses cloud object storage OBS to replace MRS local storage as big data storage. Which description of the OBS service is wrong?
A. Provide standard storage, low-required access storage, and archive storage in three categories
B. Distributed architecture, scalable horizontally
C. Use three copies to replace the EC search method to reduce the unit capacity cost
D. Separate expansion on demand
正解：C

質問 8：
In the Docker environment, Cgroupi is usually responsible for encapsulating kernel resources, so that each container has an independent resource, so that different processes will not interfere with each other when using the same resource in their respective spaces.
A. False
B. True
正解：A