Amazon Web Services pass4test dbs-c01 Premium Exam Questions by Kaya q189 vce pdf

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Amazon Web Services DBS-C01 Exam Overview :

Exam Name:	AWS Certified Database - Specialty
Exam Code:	DBS-C01 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Database
Questions:	324 Q&A's	Shared By:	kaya

Question 92

A large retail company recently migrated its three-tier ecommerce applications to AWS. The company’s backend database is hosted on Amazon Aurora PostgreSQL. During peak times, users complain about longer page load times. A database specialist reviewed Amazon RDS Performance Insights and found a spike in IO:XactSync wait events. The SQL attached to the wait events are all single INSERT statements.

How should this issue be resolved?

Options:

Modify the application to commit transactions in batches

Add a new Aurora Replica to the Aurora DB cluster.

Add an Amazon ElastiCache for Redis cluster and change the application to write through.

Change the Aurora DB cluster storage to Provisioned IOPS (PIOPS).

Discussion

Question 93

A company has an AWS CloudFormation stack that defines an Amazon RDS DB instance. The company accidentally deletes the stack and loses recent data from the DB instance. A database specialist must change the CloudFormation template for the RDS resource to reduce the chance of accidental data loss from the DB instance in the future.

Which combination of actions should the database specialist take to meet this requirement? (Choose three.)

Options:

Set the DeletionProtection property to True.

Set the MultiAZ property to True.

Set the TerminationProtection property to True.

Set the DeleteAutomatedBackups property to False.

Set the DeletionPolicy attribute to No.

Set the DeletionPolicy attribute to Retain.

Discussion

Question 94

A Database Specialist modified an existing parameter group currently associated with a production Amazon RDS for SQL Server Multi-AZ DB instance. The change is associated with a static parameter type, which controls the number of user connections allowed on the most critical RDS SQL Server DB instance for the company. This change has been approved for a specific maintenance window to help minimize the impact on users.

How should the Database Specialist apply the parameter group change for the DB instance?

Options:

Select the option to apply the change immediately

Allow the preconfigured RDS maintenance window for the given DB instance to control when the change is applied

Apply the change manually by rebooting the DB instance during the approved maintenance window

Reboot the secondary Multi-AZ DB instance

Discussion

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Question 95

A database specialist wants to ensure that an Amazon Aurora DB cluster is always automatically upgraded to the most recent minor version available. Noticing that there is a new minor version available, the database specialist has issues an AWS CLI command to enable automatic minor version updates. The command runs successfully, but checking the Aurora DB cluster indicates that no update to the Aurora version has been made.

What might account for this? (Choose two.)

Options:

The new minor version has not yet been designated as preferred and requires a manual upgrade.

Configuring automatic upgrades using the AWS CLI is not supported. This must be enabled expressly using the AWS Management Console.

Applying minor version upgrades requires sufficient free space.

The AWS CLI command did not include an apply-immediately parameter.

Aurora has detected a breaking change in the new minor version and has automatically rejected the upgrade.