Download Oracle Java Cloud Service.1z0-161.ExamLabs.2019-09-01.67q.tqb

Vendor:	Oracle
Exam Code:	1z0-161
Exam Name:	Oracle Java Cloud Service
Date:	Sep 01, 2019
File Size:	486 KB

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Demo Questions

You are connecting to a VM in your Oracle Java Cloud Service instance.

You are using a Secure Shell (SSH) on your local Linux machine.

The syntax for the command you type into the SSH client is:

Which two statements are true? (Choose two)

The private key must correspond to the public key used when creating the service instance
The username is opc
The username is oracle
The public_ip must be the IP address of the WebLogic Server Administration Server VM
You must create a new key pair after you create the service instance and before you run the SSH client
The public_ip must be the IP address of the load balancer VM

Correct answer: BD

You want to add resources to an Oracle Java Cloud Service instance by scaling out the service instance.

Which statement correctly describes the resources that are added when you scale out a service instance?

A Managed Server is added on the service instance’s existing VM that is running the load balancer
A Managed Server is added on a new VM that is added to the service instance
A Managed Server is added on the existing VM that is running the Administration Server
A Managed Server is added on one of the existing VMs that is running a Managed Server

Correct answer: C

You are assisting on Oracle Java Cloud Service (JCS) customer who has reported slow response times in their production system. The customer has provided you with details of the number of concurrent users, the number and size of application requests, their data volumes, and their desired CPU utilization. You have only a limited time window during which you can change the production environment.

What is the optimal order of priority for your initial remedial actions?

1. Use the WebLogic Diagnostic Framework to gather performance metrics
2. Tune the WebLogic environment based on diagnostic results
3. Monitor application performance in JCS Control Console and Fusion Middleware Control console
1. Configure an identically sized JCS environment in an alternate data center
2. Deploy the customer application to the new environment
3. Implement the Oracle JCS tuning methodology to compare the results
1. Use Oracle Fusion Middleware Control to configure a dashboard with custom metrics
2. Use Java Mission Control to monitor JVM heap usage
3. Take Java Threads dumps and search for locked threads
1. Log in to the JCS virtual hosts and use Linux command line tools to monitor performance
2. Change the Linux kernel parameters to improve performance
3. Apply patches to the OS and the WebLogic Server
1. Monitor system metrics such as utilization of disc/CPU, network data transfers, persistent store writers, and logging volume
2. Locate or identify bottlenecks in the application, database, and WebLogic configuration
3. Analyze the results, suggest changes that are likely to give the maximum benefit, and then prioritize configuration changes based on the analysis.