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Home Oracle 1z0-1072-21

Oracle 1z0-1072-21 Exam Practice Questions (P. 1)

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Question #1
You have a high-demand web application running on Oracle Cloud Infrastructure. Your tenancy administrator has set up a schedule based autoscaling policy on instance pool with initial size of 5 instances for the application.
Policy 1:

Target pool size: 10 instances -
Execution time: 8:30 a.m. on every Monday through Friday, in every month, in every year
Cron expression: 0 30 8 ? * MON-FRI *
Which statement accurately explains the goal of this policy?
  1. A
    Goal: A recurring monthly schedule. On all days of the month, set the initial pool size to 5 instances. At 8.30 a.m., on every day of the month, scale out to 10 instances.
  2. B
    Goal: A one-time schedule with only one scaling out event. At 8:30 a.m., on December 31, 2021, scale the instance pool to 10 instances from 5.
  3. C
    Goal: A recurring weekly schedule. On all days of the week at 8.30 a.m., scale out the pool to 10 instances from the initial size of 5.
  4. D
    Goal: A recurring daily schedule. On weekday mornings at 8.30 a.m., scale out to 10 instances.

Correct Answer:
D

Question #2
You are responsible for deploying an application on Oracle Cloud Infrastructure (OCI).
The application is memory intensive, and will perform badly if not enough memory is available.
You have created an instance pool of Linux compute instances in OCI to host the application, and defined an Autoscaling Configuration for the instance pool.
What should you do to ensure that the instance pool autoscales to prevent poor application performance?
  1. A
    Install OCI SDK in all compute instances and create a script that will trigger the autoscaling event if there is high memory usage.
  2. B
    Install the monitoring agent to all compute instances which will trigger the autoscaling group.
  3. C
    Configure the autoscaling policy to monitor CPU usage and scale up the number of instances when it meets the threshold
  4. D
    Configure the autoscaling policy to monitor memory usage and scale up the number of instances when it meets the threshold.

Correct Answer:
D

Question #3
You need to set up instance principals so that an application running on an instance can call Oracle Cloud Infrastructure (OCI) public services, without the need to configure user credentials.
A developer in your team has already configured the application built using an OCI SDK to authenticate using the instance principals provider.
Which is NOT a necessary step to complete this set up?
  1. A
    Deploy the application and the SDK to all the instances that belong to the dynamic group.
  2. B
    Create a dynamic group with matching rules to specify which instances you want to allow to make API calls against services
  3. C
    Generate Auth Tokens to enable instances in the dynamic group to authenticate with APIs
  4. D
    Create a policy granting permissions to the dynamic group to access services in your compartment or tenancy.

Correct Answer:
A

Question #4
Which of the following statements is true about the Oracle Cloud Infrastructure (OCI) Object Storage server-side encryption?
  1. A
    Each object in a bucket is always encrypted with the same data encryption key.
  2. B
    Encryption of data encryption keys with a master encryption key is optional.
  3. C
    Encryption is enabled by default and cannot be turned off.
  4. D
    Customer-provided encryption keys are always stored in OCI Vault service.

Correct Answer:
C

Question #5
You have a high-demand web application running on Oracle Cloud Infrastructure (OCI). Your tenancy administrator has setup a schedule based autoscaling policy on instance pool with initial size of 5 instances for the application.
Policy 1:

Target pool size: 10 instances -
Execution time: 8:30 a.m. on every Monday through Friday, in every month, in every year
Cron expression: 0 30 8 ? * MON-FRI *
Which statement accurately explains the goal of this policy?
  1. A
    Goal: A recurring monthly schedule. On all days of the month, set the initial pool size to 5 instances. At 8.30 a.m., on every day of the month, scale out to 10 instances.
  2. B
    Goal: A recurring daily schedule. On weekday mornings at 8.30 a.m., scale out to 10 instances.
  3. C
    Goal: A one-time schedule with only one scaling out event. At 8:30 a.m., on December 31, 2021, scale the instance pool to 10 instances from 5.
  4. D
    Goal: A recurring weekly schedule. On all days of the week at 8.30 a.m., scale out the pool to 10 instances from the initial size of 5.

Correct Answer:
B

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