Free Huawei H13-831 Exam Dumps Questions & Answers

Huawei Cloud ELB can distribute user requests to multiple ECS instances according to different strategies. Which of the following descriptions about the "weighted round-robin mode" forwarding strategy is correct?

• A.Prioritize access requests with the highest priority to ECS instances of backend elastic cloud servers.
• B.Distribute the access request to the ECS instance of the backend elastic cloud server with the lowest load currently.
• C.Distribute the longest-waiting access request to the ECS instance with the strongest processing capability in the back-end elastic cloud server group.
• D.Distribute access requests in order according to the weight of the back-end elastic cloud server ECS instance.

A company deploys its own platform service on a Huawei Cloud ECS instance, and regularly collects related logs of each service and database through the cloud log service LTS and stores them in OBS. The service log and database log have different naming methods. The storage period of the service log is 3 days. The database log storage period is one week.
Which of the following solutions to delete expired logs are feasible? (Multiple choice)

• A.Create two OBS buckets, one bucket to store service logs. The SDK provided by the OBS service traverses all objects in the bucket and deletes the logs 3 days ago; the other bucket stores the database logs. Traverse all objects in the bucket through the SDK provided by the OBS service and delete the logs 7 days ago.
• B.Create an OBS bucket to store service logs and database logs at the same time and configure regular matching service log cleaning policies for 3 days and database logs cleaning policies for 7 days.
• C.Create two 0BS buckets, one bucket to store server logs, and enable lifecycle management rules to match the entire bucket. Configuration days expired and deleted. The other bucket stores database logs and enables lifecycle management rules to match the entire bucket. Configuration days expired delete.
• D.Create an OBS bucket, store service logs and database logs at the same time, create OBS lifecycle management rules, configure by prefix, match server log configuration, delete after 3 days, and delete matching database log after configuration days.

When users use HUAWEI CLOUD SMS to migrate window hosts, the basic unit of file system block (Block) is used for migration, and only valid block data is migrated to the destination server, thereby improving migration efficiency.

• A.FALSE
• B.TRUE

Which of the following high-availability architectures does Huawei Cloud RDS for SQL Server database instance use?

• A.Log Shipping
• B.Availability group
• C.Mirror
• D.Transactional replication

Which one of the following descriptions about high availability and disaster tolerance of user business systems is correct?

• A.Disaster tolerance mainly deals with the failure of a single component, which causes the load to switch between servers in the cluster.
• B.The scope of high availability is the LAN standard, and the scope of disaster recovery is the WAN standard.
• C.High availability mainly responds to large-scale failures, resulting in load switching between remote data centers.
• D.High availability is a mechanism to ensure business continuity in a cloud environment, and disaster tolerance is a mechanism to ensure business continuity among multiple cloud environments.