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Total 79 questions
Which action do you take when deploying Oracle HTTP Server to ensure all client communications within OHS are confidential?
- A. Deploy OHS in A DMZ.
- B. Configure all OHS Listeners to use SSL.
- C. Nothing; all client communications are confidential.
- D. This configuration is not possible.
- E. Use a network firewall.
Answer : B
Which two statements are true about the HotSpot Concurrent Garbage Collector? (Choose two.)
Answer : B
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
Answer : D,E
Which three packages are available in the JRockit VM? (Choose three.)
- A. java.io.*
- B. java.util.*
- C. java.swing.*
- D. java.sql.*
- E. java.awt.*
Answer : A,B,E
Which component is optimized for the JRockit VM?
- A. swing-based desktop applications
- B. browser-based applets
- C. embedded devices
- D. server-side applications
- E. mobile phones
Answer : D
Explanation:
The Oracle JRockit JDK includes the Oracle JRockit Java Virtual Machine (JVM), which is developed uniquely for server-side applications and optimized for Intel architectures, ensuring reliability, scalability, and manageability for Java applications. s:
Consider the following code:
If the initial stock amount was 15, and 5 different clients (in different JVMs) attempted to execute the same code simultaneously, what would be the resulting level of stock?
- A. 20, because Coherence does implicit locking
- B. 15, because a concurrency control exception will be thrown
- C. 16, because of the lack of concurrency control
- D. undefined, because of the lack of concurrency control
Answer : C
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.
Answer : A,B,D
What could cause an AddTargetUser operation to fall with a 401 or a 403 error?
- A. Virtual Assembly Builder Deployer application is down.
- B. The user whose credentials were used to connect to Virtual Assembly Deployer has not been granted the Cloud Admin role.
- C. A connection between Virtual Assembly Builder Deployer and oracle VM Manager resource pool has not been configured.
- D. The Oracle VM Manager Admin user, whose credentials were used in the createTarget operation, has not been granted the Application Admin role.
Answer : B
A customer is witnessing a lot of contention while accessing and updating a cached item.
Which feature alleviates the connection by shortening the time that the object is locked?
- A. Near Cache
- B. Entry Processors
- C. Transaction Framework
- D. off-heap storage
Answer : C
What is the difference between Entry Processors and Aggregators?
- A. Entry Processors require a key or a set of keys, whereas Aggregators require filters.
- B. Entry Processors can skip the network by executing against near caches directly, whereas Aggregators must execute on storage members.
- C. Entry Processors are better suited to Map-Reduce operations than Aggregators.
- D. Aggregators are optimized for read-only access, whereas Entry Processors can modify cacheentries.
Answer : D
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.
Answer : B,D
What agent is used to collect the WLS server metrics that are available on the WLS All
Metrics page?
- A. ADP Agent
- B. JVM Diagnostics Agent
- C. BTM Agent
- D. EM Agent
- E. JVMD Agent
Answer : B
When an object placed into a cache implements the Java Runnable interface, Coherence will _______________.
- A. immediately schedule it to be an on the service thread of the cache in which it was placed
- B. do nothing; Coherence does not differentiate between types of value objects
- C. ultimately attempt to run the object on a free worker thread associated with the service of the cache in which the object was placed
- D. hand the object over to the Invocation service to invoke the run method
Answer : A
Which four components are included in WLS Management Pack? (Choose four.)
- A. Real User Monitoring
- B. JVM Diagnostics
- C. Business Transaction Management
- D. Lifecycle Management
- E. Configuration Management
- F. Ops Center
Answer : B,C,D,E
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