In the Kibrnetes cluster, the controller Pod is the smallest deployment unit that can be created, scheduled and managed.
The controller Pd refers to a single container application instance.
Generally, for security reasons, only one container instance runs in the same Pod.

• A. True
• B. False

When using the data replication service DRS to configure the migration task, it is necessary to check whether the data transfer server can connect to the cloud database to be migrated. This operation needs to be completed in the pre-check step

• A. True
• B. False

In order to improve the security of the system architecture, a company hopes to improve the load security by purchasing enterprise host security HSS services. Which of the following scenarios is not suitable for HSS services?

• A. Verify the access account to ensure that the identity of the login meets the security requirements
• B. Provide the ability to detect the entire attack path of the host, and be able to perceive hacking events in real time and accurately
• C. Perform security assessment on the host system, detect host vulnerabilities and insecure configurations, and be able to prompt users of risks
• D. Ability to configure account permissions to distinguish employees from different functional departments in the enterprise who access the host

With the continuous evolution of the IT architecture, the complexity of the architecture is getting higher and higher. The development and operation and maintenance within the enterprise are often two independent departments, and there are obvious differences in work and technical directions. When completing an application project together, the communication is not smooth, which leads to a delay in the application progress and a significant drop in enterprise efficiency. Therefore, the entire system architecture needs to evolve continuously, from traditional operation and maintenance to automated operation and maintenance, and break the barriers of operation and maintenance engineers, development engineers, and quality assurance engineers, so as to form an efficient work system.

• A. True
• B. False

An overseas study consulting agency wants to migrate its website business to the cloud. Because the website business requires fewer writes and more reads, the read-only instance of cloud database for MySQL can be used to horizontally expand the read load capacity, it can be used with distributed database middleware DDM to achieve automatic () and read load balancing.

read-write separation