Oracle 1Z0-468 Online Practice Questions and Exam Preparation

Oracle 1Z0-468 Online Questions & Answers

• Question 61:

  Which statement describes the difference between the Runtime Analyzer and JRockit Flight Recorder?

  A. Only Runtime Analyzer allows detailed heap analysis.
  B. Only Flight Recorder allows "back-in-time" analysis.
  C. Thread deadlock analysis is not possible in Flight Recorder.
  D. Flight Recorder cannot be run in an "always-on" mode.
  E. Flight Recorder causes significantly higher processor overhead than Runtime Analyzer.
  B. Only Flight Recorder allows "back-in-time" analysis.

• Question 62:

  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
  C. Transaction Framework

• Question 63:

  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.
  A. Create deployment plans.
  B. Create appliances and assemblies.
  D. Transfer and deploy via Deployer.

• Question 64:

  How many appliances can you deploy as part as an assembly?

  A. only one
  B. one to three
  C. one to five
  D. There is no predefined limit
  C. one to five

• Question 65:

  Your application will store data in two partitioned caches, each configured for one backup. You have calculated the total amount of data to be 10 GB for the first cache, and 3 GB for the second cache. You plan to run 10 cache servers in total. What is the minimum recommended JVM heap size for each cache server?

  A. 512 GB
  B. 1 GB
  C. 2 GB
  D. 4 GB
  C. 2 GB

• Question 66:

  You are using Coherence to store state data that gets read frequently and updated only occasionally. Only 100 or so clients are logged in at any time, and state data is retrieved at login. You are running out of physical memory on the cache server tier, but CPU and network utilization is low. You have 100 GB Solid-State Drives on every system, including clients. You would also like to provide faster access to state data for logged-in users.

  Which configuration should you use for your system?

  A. Configure Elastic Data on your clients with a near cache.
  B. Configure a near cache on your client and a RAM Journal on your cache servers.
  C. Configure a near cache on your client and a Flash Journal on your cache servers.
  D. Because near caching does not work with Elastic Data, configure a near cache and an eviction policy on the cache servers.
  C. Configure a near cache on your client and a Flash Journal on your cache servers.

• Question 67:

  An Oracle RAC Database appliance was initially deployed with two database instances. The load on the database has now increased and another instance needs to be provisioned.

  How would you add one more instance of the earlier deployed appliance?

  A. Create and deploy a new assembly containing a single instance database appliance.
  B. Add a new single instance database appliance into the previously created assembly and redeploy it.
  C. Use the ScaleAppliance operation to scale up the deployed appliance instances from two to three.
  D. Use the createAssemblyInstance operation to create a new instance of the existing assembly and deploy the new assembly instance.
  D. Use the createAssemblyInstance operation to create a new instance of the existing assembly and deploy the new assembly instance.

• Question 68:

  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
  A. Throughput
  B. Pause time
  E. Heap size

• Question 69:

  What is the primary purpose of the Middleware Diagnostics Advisor (MDA) included in WLS Management Pack EE?

  A. to automate the SQL tuning process by comprehensively exploring all the possible ways of tuning a SQL statement
  B. to facilitate proactive performance and availability management by auto-finding problems and suggesting solutions
  C. to find configuration problems by comparing WLS configuration to a Gold Image configuration
  D. to provide comprehensive advice on how to optimize schema design in order to maximize application performance
  E. to analyze the EM configuration and suggest configuration changes that will extend the stability of EM
  B. to facilitate proactive performance and availability management by auto-finding problems and suggesting solutions

• Question 70:

  With which WLS license is WLS Management Pack EE included?

  A. WebLogic Suite
  B. WebLogic Server Standard Edition
  C. WebLogic Server Enterprise Edition
  D. WebLogic Server EE or WebLogic Suite
  E. WLS Management Pack is not included in any of the WLS packs
  C. WebLogic Server Enterprise Edition