Identify three reasons that explain why assigning more than one managed serve achieve better performance than running one managed server with more resources?

Question

Options

• AThread management inside the JVM process might be less effective than context switching
• BCurrent CPUs are multicore units. So starting managed servers in the amount of physical cores
• CBy a combination of prioritization of processes on the OS level and Work Manager in WLS, one
• DAssigning more than one managed server to hardware will never bring better performance.
• EMore instances means more connections to databases, so one could serve more concurrent calls
• FDepending on the profile of the application, having more JVMs with smaller heaps will lead to

• A
  12% (3)
• B
  20% (5)
• C
  60% (15)
• D
  8% (2)

Explanation

• Two or more Managed Servers can be configured as a WebLogic Server cluster to increase application scalability and availability. In a WebLogic Server cluster, most resources and services are deployed identically to each Managed Server (as opposed to a single Managed Server), enabling failover and load balancing. A single domain can contain multiple WebLogic Server clusters, as well as multiple Managed Servers that are not configured as clusters. The key difference between clustered and nonclustered Managed Servers is support for failover and load balancing. These features are available only in a cluster of Managed Servers. * A WebLogic Server cluster provides these benefits: The capacity of an application deployed on a WebLogic Server cluster can be increased dynamically to meet demand. You can add server instances to a cluster without interruption of service--the application continues to run without impact to clients and end users. HighAvailability In a WebLogic Server cluster, application processing can continue when a server instance fails. You "cluster" application components by deploying them on multiple server instances in the cluster--so, if a server instance on which a component is running fails, another server instance on which that component is deployed can continue application processing.

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