Oracle Java Cloud Service

Here you have the best Oracle 1z0-161 practice exam questions

You have 40 total questions to study from
Each page has 5 questions, making a total of 8 pages
You can navigate through the pages using the buttons at the bottom
This questions were last updated on October 24, 2025
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Question 1 of 40

You have been given a user account in Oracle Java Cloud Service. You have been granted one or more roles.
Which statement about modifying user details or roles is true?

A service administrator cannot change how he or she wants to receive notifications from Oracle Cloud

An identify domain administrator or a service administrator can assign or remove a user’s role

A service administrator can modify another user’s details such as first name, last name and email

An identify domain administrator or a service administrator can reset a user’s password

Correct Answer: D

Question 2 of 40

You are tasked with tuning your Oracle Java Cloud Service application environment.
Identify the correct sequence of activities for Oracles recommended performance tuning methodology.

Configure the Oracle Java Cloud Service compute shape and clusters, set up Oracle Database Cloud Database as a Service, develop and deploy application, configure a Continuous Integration environment, and develop performance test cases

Understand performance objectives, measure performance metrics, locate bottlenecks in the system, minimize impact of bottlenecks, and achieve performance objectives

Tune the EJBs and message-driven beans, the JDBC data source, the WebLogic JMS components, the Resource Adapters, the Web Applications, and the Web Services

Review the Oracle Java Cloud Service Console metrics, the Fusion Middleware Control metrics, the WebLogic Server console diagnostics, the Java Mission Control flight recordings, and the operating system performance monitoring console.

Tune the database, the application, the Weblogic Server configuration, the JVM, and the operating system

Correct Answer: D

Question 3 of 40

You created a Database Cloud Service instance. Now you are attempting to create an Oracle Java Cloud Service instance. However, when you reach the main
Oracle Java Cloud Service configuration screen, you find that your database instance is not available for selection. This prevents creation of the JCS instance.
You check and determine that your database instance is running.
What is preventing creation of your Oracle Java Cloud Service instance?

Your subscription to the Database Cloud Service has expired

The public key that you provided to the JCS instance is unable to establish an SSH connection to the database instance

You selected an incompatible combination of WebLogic Server and Database Versions

When creating the Database Cloud Service instance, the backup storage configuration was not configured to "Both local and Cloud Storage"

Correct Answer: A

Question 4 of 40

You have created an Oracle Java Cloud Service instance and you want to take advantage of the capabilities of the Node Manager.
Which two statements about using Node Manager in Oracle Java Cloud Service are true? (Choose two)

You can issue commands to the Node Manager with the WebLogic Server Administration Console

You can migrate servers from a failed machine to another machine

You can stop and start the Administration Server and Managed Servers

You can start and stop the VM

Correct Answer: C, D

Question 5 of 40

You are examining the service metrics provided by the Oracle Java Cloud Service console.
Which three metrics are provided on this console? (Choose three)

JVM heap usage for WebLogic Administration and Managed Server instances

WebLogic Server JDBC connection usage

JVM Garbage collection times

OCPU hours used

storage used in GB per month

Correct Answer: A, C, E