1Z0-468 Online Practice Questions and Answers

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

A. garbage collection

B. stuck threads

C. heartbeats D. TCP socket connections

With which three activities does Virtual Assembly Builder help? (Choose three.)

A. maintaining flexibility for developers

B. reducing runtime errors

C. enabling full access to infrastructure

D. creating a standardized model for IT

E. automating provisioning of the entire application topology

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.

Which two actions can be used to create/add an index in Coherence? (Choose two.)

A. ValueExtractor

B. Comparator

C. QueryMap

D. MapIndex

E. SimpleMapIndex

Which two JVM components can be configured to impact application performance? (Choose two.)

A. Heap

B. Local variables stack

C. Class loader

D. Bytecode interpreter

E. Garbage Collector

You have developed and tested your Coherence application on a single physical machine by using the following operational configuration:

What two configuration changes must be made to run your application on multiple physical machines using multicast? (Choose two.)

A. Lower the logging severity level to 3.

B. Change the unicast listener address to a non-loopback address.

C. Increase the multicast listener time-to-live value.

D. Specify a list of well-known addresses.

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

What are the three business drivers for cloud computing? (Choose three.)

A. better resource utilization

B. enterprise agility

C. higher customer support quality

D. ease of administration

E. elastic scalability

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

Your application had experienced an OutOfMemoryError on one of the cache servers. You had configured the JVM to produce a heap dump when OutOfMemoryErrors occur. Your analysis of the heap dump indicates that approximately 90% of the heap is consumed by instances of com.tangosol.util.Binary.

What configuration change will reduce the number of com.tangosol.util.Binary instances?

A. Introduce a near cache for all partitioned caches.

B. Increase the size of the thread pool for all cache services.

C. Increase the expiry delay on all distributed-scheme backing maps.

D. Lower the high-unit threshold on all distributed-scheme backing maps.