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Amazon AWS-Certified-Database-Specialty Exam Syllabus Topics:

Topic	Details
Topic 1	Managethe operational environment of a database solutionDomain Design database solutions for performance, compliance, and scalability
Topic 2	Determine monitoring and alerting strategies Troubleshootand resolve common database issues
Topic 3	Comparethe costs of database solutions Determinemaintenance tasks and processes Determinebackup and restore strategies
Topic 4	Recognize potential security vulnerabilities within database solutions Workload-Specific Database Design
Topic 5	Encryptdata atrest and intransit Executeand validate data migration Monitoring and Troubleshooting
Topic 6	Evaluateauditing solutions Deployment and Migration Management and Operations Database Security

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Amazon AWS-Certified-Database-Specialty Latest Test Experience & Examcollection AWS-Certified-Database-Specialty Questions Answers

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Amazon AWS Certified Database - Specialty (DBS-C01) Exam Sample Questions (Q72-Q77):

NEW QUESTION # 72
A database specialist was alerted that a production Amazon RDS MariaDB instance with 100 GB of storage was out of space. In response, the database specialist modified the DB instance and added 50 GB of storage capacity. Three hours later, a new alert is generated due to a lack of free space on the same DB instance. The database specialist decides to modify the instance immediately to increase its storage capacity by 20 GB.
What will happen when the modification is submitted?

• A. The request will succeed only if the primary instance is in active status.
• B. The request will fail because this storage capacity is too large.
• C. The request will succeed only if CPU utilization is less than 10%.
• D. The request will fail as the most recent modification was too soon.

Answer: D Explanation:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_PIOPS.StorageTypes.html
NEW QUESTION # 73
A company developed an AWS CloudFormation template used to create all new Amazon DynamoDB tables in its AWS account. The template configures provisioned throughput capacity using hard-coded values. The company wants to change the template so that the tables it creates in the future have independently configurable read and write capacity units assigned.
Which solution will enable this change?

• A. Add values for the rcuCount and wcuCount parameters to the Mappings section of the template. Configure DynamoDB to provision throughput capacity using the stack's mappings.
• B. Add values for the rcuCount and wcuCount parameters as outputs of the template. Configure DynamoDB to provision throughput capacity using the stack outputs.
• C. Add values for two Number parameters, rcuCount and wcuCount, to the template. Replace the hard-coded values with calls to the Ref intrinsic function, referencing the new parameters.
• D. Add values for the rcuCount and wcuCount parameters to the Mappings section of the template. Replace the hard-coded values with calls to the Ref intrinsic function, referencing the new parameters.

Answer: C
NEW QUESTION # 74
A company is running a website on Amazon EC2 instances deployed in multiple Availability Zones (AZs).
The site performs a high number of repetitive reads and writes each second on an Amazon RDS for MySQL Multi- AZ DB instance with General Purpose SSD (gp2) storage. After comprehensive testing and analysis, a database specialist discovers that there is high read latency and high CPU utilization on the DB instance.
Which approach should the database specialist to take to resolve this issue without changing the application?

• A. Modify the RDS for MySQL database class to a bigger size and implement Provisioned IOPS (PIOPS).
• B. Implementing sharding to distribute the load to multiple RDS for MySQL databases.
• C. Use the same RDS for MySQL instance class with Provisioned IOPS (PIOPS) storage.
• D. Add an RDS for MySQL read replica.

Answer: A
NEW QUESTION # 75
A company is running a blogging platform. A security audit determines that the Amazon RDS DB instance that is used by the platform is not configured to encrypt the data at rest. The company must encrypt the DB instance within 30 days.
What should a database specialist do to meet this requirement with the LEAST amount of downtime?

• A. Take a snapshot of the DB instance. Make an encrypted copy of the snapshot. Restore the encrypted snapshot. When the new DB instance is available, update the endpoint that is used by the application. Delete the unencrypted DB instance.
• B. Create a new encrypted DB instance. Perform an initial data load, and set up logical replication between the two DB instances When the new DB instance is in sync with the source DB instance, update the endpoint that is used by the application. Delete the unencrypted DB instance.
• C. Convert the DB instance to an Amazon Aurora DB cluster, and enable encryption. When the DB cluster is available, update the endpoint that is used by the application to the cluster endpoint. Delete the unencrypted DB instance.
• D. Create a read replica of the DB instance, and enable encryption. When the read replica is available, promote the read replica and update the endpoint that is used by the application. Delete the unencrypted DB instance.

Answer: B Explanation:
https://docs.aws.amazon.com/prescriptive-guidance/latest/patterns/encrypt-an-existing-amazon-rds-for-postgresql-db-instance.html When the new, encrypted copy of the DB instance becomes available, you can point your applications to the new database. However, if your project doesn't allow for significant downtime for this activity, you need an alternate approach that helps minimize the downtime. This pattern uses the AWS Database Migration Service (AWS DMS) to migrate and continuously replicate the data so that the cutover to the new, encrypted database can be done with minimal downtime.
NEW QUESTION # 76
A company is moving its fraud detection application from on premises to the AWS Cloud and is using Amazon Neptune for data storage. The company has set up a 1 Gbps AWS Direct Connect connection to migrate 25 TB of fraud detection data from the on-premises data center to a Neptune DB instance. The company already has an Amazon S3 bucket and an S3 VPC endpoint, and 80% of the company's network bandwidth is available.
How should the company perform this data load?

• A. Use AWS DataSync to transfer the data from on premises to the S3 bucket. Use the Loader command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.
• B. Use AWS Database Migration Service (AWS DMS) to transfer the data from on premises to the S3 bucket. Use the Loader command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.
• C. Use an AWS SDK with a multipart upload to transfer the data from on premises to the S3 bucket. Use the Copy command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.
• D. Use the AWS CLI to transfer the data from on premises to the S3 bucket. Use the Copy command for Neptune to move the data in bulk from the S3 bucket to the Neptune DB instance.

Answer: A Explanation:
Explanation
"AWS DataSync is an online data transfer service that simplifies, automates, and accelerates moving data between on-premises storage systems and AWS storage services, and also between AWS storage services."
https://docs.aws.amazon.com/neptune/latest/userguide/bulk-load.html
NEW QUESTION # 77
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