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面试准备

Weblogic 面试题与答案

问题 16. What is the difference between connection pooling and data source in WebLogic?

Connection pooling involves reusing existing database connections to improve performance, while a data source is a named configuration that defines how a pool of database connections is created and managed.

Example:

You can configure a data source in WebLogic to connect to a specific database and manage the associated connection pool settings.

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问题 17. Explain the purpose of WebLogic Security Realms.

Security Realms in WebLogic define the set of users, groups, and security policies that control access to resources within a domain.

Example:

You can configure security realms to integrate with external authentication providers such as LDAP or Active Directory.

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问题 18. How do you enable SSL in WebLogic Server?

To enable SSL in WebLogic, you need to configure an SSL-enabled listen port on the server and provide the necessary SSL-related settings in the server's configuration.

Example:

You can enable SSL for secure communication between clients and the WebLogic Server by configuring SSL settings in the domain.

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问题 19. Explain the use of WebLogic Scripting Tool (WLST).

WLST is a command-line scripting environment provided by WebLogic Server for managing and configuring server instances through scripts.

Example:

You can use WLST scripts to automate repetitive administrative tasks, such as deploying applications or configuring server settings.

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问题 20. What is a WebLogic Cluster and why is it used?

A WebLogic Cluster is a group of WebLogic Server instances running simultaneously and working together to provide increased scalability and high availability for applications.

Example:

By distributing the application workload among multiple servers, a cluster ensures that if one server fails, the others can continue to handle the requests.

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