1Z0-468 Online Practice Questions and Answers

Which three metrics are commonly used to evaluate garbage collector performance? (Choose three.)

A. Throughput

B. Pause time

C. Method area

D. Native threads

E. Heap size

Assume that network latency between two data centers is 5 milliseconds with minimal packet loss.

Identify two problems with running one Coherence cluster that spans these two data centers (Choose two.)

A. Outage in the WAN link can cause split brain.

B. Access and writes to data takes longer to complete.

C. Total loss of power in one data center can lead to split brain.

D. Network latency will lead to cluster instability.

Your data client query needs to produce a fast initial response.

Which two approaches will optimize your query? (Choose two.)

A. Use a LimitFilter to limit the result set returned.

B. Use a near cache to cache results locally to be re-used.

C. Wrap the filter by using a PartitionFilter.

D. Re-order the filter criteria.

E. Access the keys first and then the values.

With which three tasks can JRockit Diagnostic Commands (JRCMD) be used? (Choose three.)

A. load testing

B. heap analysis

C. native memory tracking

D. controlling JRockit Flight Recorder

E. debugging with breakpoints

Which three generational spaces make up the HotStop heap? (Choose three.)

A. Young Generation

B. Internal Generation

C. Old Generation

D. Permanent Generation

E. Persistent Generation

What three actions can you perform while using Oracle Virtual Assembly Builder (Studio and/or Deployer)? (Choose three.)

A. Create deployment plans.

B. Create appliances and assemblies.

C. Build and package.

D. Transfer and deploy via Deployer.

E. Back up and restore.

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 MulticastTest

B. Coherence DatagramTest

C. Coherence Console

D. Coherence CohQL Command-Line

The performance of your query is very slow.

Which two actions would you take to diagnose potential bottlenecks? (Choose two.)

A. Check that indexes are registered against the fields being queried.

B. Monitor the task execution time.

C. Use the QueryRecorder to see the query Trace and Explain plan.

D. Check that indexes are cached against the fields being queried.

E. Monitor the task performance time.

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

A. mod_wls

B. mod_weblogic

C. mod_wl_ohs

D. No plug_in is required

E. mod_ohs_wl

What three components are not part of EM and require separate installations? (Choose two.)

A. BTM Engine

B. RUEI Engine

C. JVM Diagnostics Engine

D. Application Discovery and Performance Management Engine

E. Ops Center