H13-821_V3.0-ENU 무료 덤프문제 온라인 액세스

The disaster recovery of the database is very important to the production system of the enterprise. The enterprise is currently using the GaussDB (foropenGauss) distributed database as the production database. Now consider using DRS to realize the synchronization ability from the production database to the disaster recovery GaussDBf (oropenGauss) cluster, which of the following scenarios is suitable for this solution/

• A.The business requires that the RTO of the disaster recovery library must be within 5s
• B.The topology of the production database cluster and the disaster recovery database cluster are inconsistent. For example, the production database has 6 DNs and the disaster recovery database has 3 DNs.
• C.The production library may expand in the future and add new DN
• D.The disaster recovery database will have access to some query services, and these services will involve multi-table associated queries

Kubernetes cluster includes laster node and Node node, and llaster is the control node of the cluster. In order to ensure the high availability of the cluster, multiple Jaster nodes are usually deployed. Which of the following components does an Ilaster node mainly consist of? (Multiple choice)

• A.Scheduler
• B.API Server
• C.Eted
• D.Kubelet

An Internet company deploys its business on Huawei Cloud and uses the elastic file service SFS to store its static files. The company's static file data volume is about 5TB, and the company has no special requirements for bandwidth and delay. Which of the following storage types of SFS would cost the company the most when creating an Elastic File Service SFS?

• A.Standard push type
• B.Performance type
• C.Standard Plus
• D.Performance Plus

An individual user uses HUAWEI CLOUD to deploy a personal blogging platform to record and share his or her work experience, and wishes to store personal data separately.
Considering factors such as cost, which of the following services are recommended? (Multiple choice)

• A.SES
• B.DESS
• C.OBS
• D.Dss

When designing the system architecture, in order to make complex business modules cooperate more closely and achieve parallelism of multiple tasks, the architecture should be as tightly coupled as possible.

• A.False
• B.True