Online Access Free H13-821 Practice Test

The goal of Huawei cloud three-dimensional operation and maintenance is to control the system's operating status in an all-round way, and quickly respond to various problems, which are embodied in the following aspects? (Multiple choices)

• A.Manage user experience guarantees and monitor business operations in real time.
• B.Master the running status of the applications deployed on Paas, support the tracking of faults and performance issues, and facilitate the operation and maintenance personnel's location
• C.Focus only on the running status of the Paas layer application
• D.Monitor the running status of IaaS layer resources

AOS (Application Orchestration Service) in the Micro Service Cloud Application Platform is capable of deploying distributed distributed systems with one click.

• A.True
• B.False

Which of the following is not a benefit of using cloud middleware services? (Single choice)

• A.Automatic upgrades and patches
• B.Reliable and safe
• C.Out of the box
• D.After using middleware services, enterprises need to invest a lot of manpower to maintain the middleware software. Correct

Which of the following Linux features does docker's resource isolation use?

• A.aufs
• B.Cgroup
• C.SELinux
• D.namespace is correct

Promote and develop each other.

• A.Correct
• B.Error