1Z0-468 Online Practice Questions and Answers

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

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.

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.

For operations that act on data that exists on multiple nodes, Coherence can do the processing in parallel, and put together the partial results from each node into a single result before sending it to the client.

Which feature in Coherence can be used to achieve this?

A. Filters

B. aggregators

C. Indexes

D. Entry Processors

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

What information is needed in the process of creating a patch template for WLS Domain?

A. one or more patches to apply

B. the domain target

C. stage directory (if not already staged)

D. WLS Domain Administrator credentials, and Host credentials

E. Patch Plan

Identify four components of the Oracle Cloud Application Foundation. (Choose four.)

A. WebLogic Server

B. Database

C. Virtual Assembly Builder

D. Exalogic Elastic Cloud Software

E. Tuxedo

F. Coherence

Which configuration file must a user edit to configure Oracle HTTP Server?

A. httpd.conf

B. obj.conf

C. workers.properties

D. magnus.conf

E. oraclehttp.conf

A company relies on third-party web services for data.

Which two Coherence features can be applied to shield its customers from anticipated spikes in demand of the web services, without suffering potential performance degradation? (Choose two.)

A. dynamically increasing the partition count on a running server

B. configuring an overflow scheme so that spikes are handled gracefully

C. caching the results of the web service call with a configured expiration

D. dynamically adding Coherence cache servers to the cluster

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