WebLogic Server Management and Performance Quiz
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Questions and Answers

Which command should you issue to navigate through the MBean hierarchy containing the metrics?

  • runtimeMbeanServer ()
  • runtime ()
  • beginRuntime ()
  • serverRuntime () (correct)
  • connectRuntime ()

    • What is your recommendation for architecture when more than one application is deployed to the same WebLogic container with JavaEE security roles?

  • Define global roles on the WebLogic Domain level. (correct)
  • Use Microsoft Active Directory to keep the roles there.
  • Keep role mapping in the external WebLogic Role Mapped developed for that solution.
  • Combine all applications into a single one.
  • Use Oracle Identity and Access Management solution to simplify the management.

    • Identify three reasons why assigning more than one managed server achieves better performance than running one managed server with more resources.

  • More instances mean more connections to databases, serving more concurrent calls at the database level. (correct)
  • Thread management inside the JVM process might be less effective than context switching between processes on the OS level.
  • Assigning more than one managed server to hardware will never bring better performance.
  • Current CPUs are multicore units, and managed servers should match the number of physical cores.
  • Having more JVMs with smaller heaps leads to more predictable response times than fewer JVMs with a large heap. (correct)
  • A combination of prioritization of processes on the OS level and Work Manager in WLS allows for precise tuning. (correct)

    • Study Notes

    WLST Commands

    • The serverRuntime command navigates to the root of the server runtime management objects, ServerRuntimeMBean when using WebLogic Scripting Tool (WLST).
    • The domainRuntime command navigates to the root of domain-wide runtime management objects, DomainRuntimeMBean while using WLST.

    WebLogic Server Security

    • Global security roles can be applied to any security policy.
    • Scoped roles can only be used within policies specific to a particular WebLogic resource instance.

    WebLogic Server Performance

    • Using more than one managed server can result in better performance compared to one server with more resources.
    • Running multiple managed servers can improve application scalability and availability through failover and load balancing.
    • Smaller JVMs with smaller heaps can lead to more predictable application response times than fewer JVMs with a large heap.
    • The performance of multiple managed servers can be tuned more precisely by combining operating system-level process prioritization with Work Managers in WebLogic Server.
    • Multiple managed servers can support more concurrent database connections, enabling increased handling of database calls.

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    Oracle 1z0-599 WebLogic Server 12c Essentials PDF

    Description

    Test your knowledge on WebLogic Server commands and management strategies. This quiz covers WLST commands, security roles, and performance optimization techniques for managed servers. Enhance your understanding of WebLogic Server's capabilities and improve your administration skills.

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