Which is a valid reason for using Coherence Elastic Data?

• A. Data must be persisted to disk to ensure fault tolerance.
• B. You want to extend your cluster across a WAN.
• C. You want to store data on very large heaps.
• D. You want to cache more that the total amount of RAM on your systems.

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Which plug-in does Oracle Traffic Director require you to install to load balance HTTP requests to WebLogic Server?

• A. mod_weblogic
• B. No plug_in is required
• C. mod_wl_ohs
• D. mod_ohs_wl
• E. mod_wls

You are doing capacity planning for a Coherence application with one distributed cache (dcache), and one replicated cache (rcache). You have one index on dcache, and dcache has backup_count=1. Your requirement is that you must be able to tolerate one machine failure with no loss of data. You have three machines, each with 4 JVMs of 8 GB.
What three factors do you take into consideration in case of machine failure? (Choose three.)

• A. The size of rcache on each node will grow.
• B. Each cache server will be responsible for more primary and backup data from dcache.
• C. Updates to dcache will result in more network traffic per machine.
• D. The size of index data in each cache server is likely to grow.
• E. Updates to rcache will result in more network traffic per machine.

Identify three situations where Coherence is used (Choose three.)

• A. to offload shared services or databases on repeated reads
• B. to reduce database load by batching and coalescing writes
• C. to perform map-reduce aggregations of unstructured data
• D. to scale the amount of data accessed on the application or middleware tier
• E. to accelerate complex RDBMS joins by storing data in memory

You plan to deploy your Coherence application to a new production environment.
You want to ensure that the new environment supports multicast, and that all of the machines are connected to the same physical switch for optimal performance.
What two tools will help confirm that the new environment satisfies both criteria? (Choose two.)

• A. Coherence CohQL Command-Line
• B. Coherence MulticastTest
• C. Coherence Console
• D. Coherence DatagramTest

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