1z0-468 試験問題を無料オンラインアクセス

Which action do you take when deploying Oracle HTTP Server to ensure all client communications within OHS are confidential?

• A.This configuration is not possible.
• B.Nothing; all client communications are confidential.
• C.Use a network firewall.
• D.Deploy OHS in A DMZ.
• E.Configure all OHS Listeners to use SSL.

Which two mechanisms are explicitly monitored to determine death of a cluster member?
(Choose two.)

• A.garbage collection
• B.heartbeats
• C.TCP socket connections
• D.stuck threads

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

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

After going through a sizing exercise, you determine that your application will need 100 storage-enabled JVMs with 4 GB heaps. You have 10 physical machines with 16 cores and 32 GB of RAM.
Which performance-tuning best practice would be violated by deploying your application on these machines?

• A.OS socket buffers should be at least 2 M
• B.Avoid OS memory swapping/paging by not exhausting physical RAM.
• C.Do not exceed one JVM per core.
• D.Heap sizes should not be larger than 512 MB.

In which three scenarios would you use JRockit Mission Control? (Choose three.)

• A.debugging with breakpoints
• B.static mode analysis
• C.finding hot methods
• D.heap analysis
• E.tracking latencies