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Huawei H13-821_V3.0 Exam Syllabus Topics:

Huawei HCIP-Cloud Service Solutions Architect V3.0 Sample Questions:

1. 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?

A) Use load balancing service to realize traffic distribution control
B) Design system elastic scaling
C) Use disaster recovery backup service
D) Increase network bandwidth

2. On Huawei Cloud, images can be divided into public images, private images, shared images, ()

3. In the era of rapid Internet development, data is not only very important for individuals, but also especially important for all industries such as the country, government, finance and medical care. For important data, it is necessary to back up key application data every day, such as ERP, CRI, mailbox server and document server data, and perform a full business backup every weekend.

A) False
B) True

4. 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?

A) In the event of a failure (such as an earthquake, fire), the switching time of the disaster recovery system can be reduced to a few seconds, and the recovery time of the surface backup system may be several hours to dozens of hours
B) The highest level of disaster recovery can achieve RPO=0, backup can set up to 24 automatic backup strategies at different time points a day, and the data can be restored to different backup points later
C) Disaster recovery is mainly for major natural disasters such as fire and land demand, so a certain safety distance must be ensured between the production site and the disaster recovery site; backup is mainly for factors such as human mis-operation, virus infection, and logic errors, and is used for business system data Recovery and data backup are generally performed in the same data center.
D) The disaster recovery system not only protects the data, but also ensures the continuity of the business, while the data backup system only protects the recoverable versions of data at different points in time

5. Which of the following descriptions about the disaster recovery solution in two places and three centers is correct? (Multiple choice)

A) When the entire production site fails, switch the active and standby status of the database, and then modify the DNS authorization to 0% for the production site and 100% for the disaster recovery site
B) Configurations, logs, snapshots, and backups generated by production and disaster recovery centers are replicated across regions through VBS
C) When an AZ of the production site fails, the business system switches to another AZ, and the database master and backup switch
D) The business can be shared between the two regions through DNS, and the disaster recovery center only shares the business when a disaster occurs
E) Deploy RDS database instances in the production and disaster recovery centers respectively, and the databases are 1:1:1 master-slave replication

Solutions: