Online Access Free H13-821_V3.0 Exam Questions

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.

Prometheus is an open source system monitoring and alarm framework that provides a common data model and convenient data collection, storage and query interfaces, it is suitable for both machine-centric monitoring and highly dynamic service-oriented systems Structure, can cooperate with some excellent graphical tools (such as Grafana) to achieve a more friendly graphical display of data and alarms.

• A.True
• B.False

There are significant differences between peering connections and VPC endpoints in terms of security, communication clearance, and routing configuration.
Which of the following statements about the comparison between the two is wrong?

• A.Routing configuration, after creating a peering connection, you need to add the routing information of the peering connection, and the VPC terminal node service has already configured the corresponding routing information for the user, and the user does not need to configure it again
• B.Communication direction, two-way communication is supported between two virtual private clouds that establish a peer-to-peer connection, and the VPC terminal node only supports the designated port of the VPC where the terminal node is located to access the back-end resource where the terminal node service is located
• C.CDR overlap, both peering connections and VPC endpoints are supported
• D.Security, all elastic cloud servers in the virtual private cloud can be accessed by peer-to-peer connections, while VPC terminal nodes can only access single cloud servers created with ndpoint Service, etc.

RPO is the data recovery point objective, which mainly refers to the amount of data loss that the business system can tolerate. RO is the recovery time objective, which mainly refers to the longest time that the business can be out of service. The highest level of disaster recovery can achieve RPO=0.

• A.True
• B.False

Which of the following descriptions about the Huawei Cloud container instance CC is wrong?

• A.Support multiple heterogeneous resources
• B.The cloud platform automatically creates business clusters
• C.Users are responsible for managing or maintaining container loads
• D.Second-level single-scalability of special containers