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DBS-C01 Exam Questions 2024 Updated: Get Ready for Exams, AWS Certified Database – Specialty | SPOTO

Prepare effectively for the AWS DBS-C01 Exam with SPOTO's 2024 Updated Exam Questions. As part of the AWS Certified Database – Specialty certification, this exam assesses your comprehensive grasp of database concepts such as design, migration, deployment, access, maintenance, automation, monitoring, security, and troubleshooting within the AWS environment. Our updated exam questions provide a targeted and focused approach to exam preparation, covering the latest topics and ensuring you are ready for the exams. Access a range of exam materials, including practice tests and exam dumps, to reinforce your understanding and improve exam performance. Utilize our exam simulator for realistic testing scenarios and benefit from online exam questions and mock exams to assess your readiness. SPOTO equips you with the tools and resources needed to succeed in the AWS DBS-C01 Exam and advance your career in database specialization.
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Question #1
A company is building a new web platform where user requests trigger an AWS Lambda function that performs an insert into an Amazon Aurora MySQL DB cluster. Initial tests with less than 10 users on the new platform yielded successful execution and fast response times. However, upon more extensive tests with the actual target of 3,000 concurrent users, Lambda functions are unable to connect to the DB cluster and receive too many connections errors. Which of the following will resolve this issue?
A. Edit the my
B. Increase the instance size of the DB cluster
C. Change the DB cluster to Multi-AZ
D. Increase the number of Aurora Replicas
View answer
Correct Answer: B
Question #2
A company is planning to close for several days. A Database Specialist needs to stop all applications alongwith the DB instances to ensure employees do not have access to the systems during this time. All databasesare running on Amazon RDS for MySQL. The Database Specialist wrote and executed a script to stop all the DB instances. When reviewing the logs,the Database Specialist found that Amazon RDS DB instances with read replicas did not stop. How should the Database Specialist edit the script to fix this
A. Stop the source instances before stopping their read replicas
B. Delete each read replica before stopping its corresponding source instance
C. Stop the read replicas before stopping their source instances
D. Use the AWS CLI to stop each read replica and source instance at the same
View answer
Correct Answer: B
Question #3
A company has migrated a single MySQL database to Amazon Aurora. The production data is hosted in a DB cluster in VPC_PROD, and 12 testing environments are hosted in VPC_TEST using the same AWS account. Testing results in minimal changes to the test data. The Development team wants each environment refreshed nightly so each test database contains fresh production data every day. Which migration approach will be the fastest and most cost-effective to implement?
A. Run the master in Amazon Aurora MySQ
B. Create 12 clones in VPC_TEST, and script the clones to bedeleted and re-created nightly
C. Run the master in Amazon Aurora MySQ
D. Take a nightly snapshot, and restore it into 12 databases inVPC_TEST using Aurora Serverless
E. Run the master in Amazon Aurora MySQ
F. Create 12 Aurora Replicas in VPC_TEST, and script thereplicas to be deleted and re-created nightly
View answer
Correct Answer: A
Question #4
A Database Specialist is creating a new Amazon Neptune DB cluster, and is attempting to load fata from Amazon S3 into the Neptune DB cluster using the Neptune bulk loader API. The Database Specialist receives the following error: “Unable to connect to s3 endpoint. Provided source = s3://mybucket/graphdata/ and region = us-east-1. Please verify your S3 configuration.” Which combination of actions should the Database Specialist take to troubleshoot the problem? (Choose two.)
A. Check that Amazon S3 has an IAM role granting read access to Neptune
B. Check that an Amazon S3 VPC endpoint exists
C. Check that a Neptune VPC endpoint exists
D. Check that Amazon EC2 has an IAM role granting read access to Amazon S3
E. Check that Neptune has an IAM role granting read access to Amazon S3
View answer
Correct Answer: A
Question #5
A gaming company wants to deploy a game in multiple Regions. The company plans to save local high scores in Amazon DynamoDB tables in each Region. A Database Specialist needs to design a solution to automate the deployment of the database with identical configurations in additional Regions, as needed. The solution should also automate configuration changes across all Regions. Which solution would meet these requirements and deploy the DynamoDB tables?
A. Create an AWS CLI command to deploy the DynamoDB table to all the Regions and save it for future deployments
B. Create an AWS CloudFormation template and deploy the template to all the Regions
C. Create an AWS CloudFormation template and use a stack set to deploy the template to all the Regions
D. Create DynamoDB tables using the AWS Management Console in all the Regions and create a step-bystep guide for future deployments
View answer
Correct Answer: D
Question #6
A company is running Amazon RDS for MySQL for its workloads. There is downtime when AWS operating system patches are applied during the Amazon RDS- specified maintenance window. What is the MOST cost-effective action that should be taken to avoid downtime?
A. Migrate the workloads from Amazon RDS for MySQL to Amazon DynamoDB
B. Enable cross-Region read replicas and direct read traffic to then when Amazon RDS is down
C. Enable a read replicas and direct read traffic to it when Amazon RDS is down
D. Enable an Amazon RDS for MySQL Multi-AZ configuration
View answer
Correct Answer: C
Question #7
A company needs a data warehouse solution that keeps data in a consistent, highly structured format. The company requires fast responses for end-user queries when looking at data from the current year, and users must have access to the full 15-year dataset, when needed. This solution also needs to handle a fluctuating number incoming queries. Storage costs for the 100 TB of data must be kept low. Which solution meets these requirements?
A. Leverage an Amazon Redshift data warehouse solution using a dense storage instance type while keeping all the data on local Amazon Redshift storag
B. Provision enough instances to support high demand
C. Leverage an Amazon Redshift data warehouse solution using a dense storage instance to store the most recent dat
D. Keep historical data on Amazon S3 and access it using the Amazon Redshift Spectrum laye
E. Provision enough instances to support high demand
F. Leverage an Amazon Redshift data warehouse solution using a dense storage instance to store the most recent dat G
View answer
Correct Answer: D
Question #8
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?
A. Select the option to apply the change immediately
B. Allow the preconfigured RDS maintenance window for the given DB instance to control when the change is applied
C. Apply the change manually by rebooting the DB instance during the approved maintenance window
D. Reboot the secondary Multi-AZ DB instance
View answer
Correct Answer: D
Question #9
A company is using Amazon RDS for MySQL to redesign its business application. A Database Specialist has noticed that the Development team is restoring their MySQL database multiple times a day when Developers make mistakes in their schema updates. The Developers sometimes need to wait hours to the restores to complete. Multiple team members are working on the project, making it difficult to find the correct restore point for each mistake. Which approach should the Database Specialist take to reduce downtime
A. Deploy multiple read replicas and have the team members make changes to separate replica instances
B. Migrate to Amazon RDS for SQL Server, take a snapshot, and restore from the snapshot
C. Migrate to Amazon Aurora MySQL and enable the Aurora Backtrack feature
D. Enable the Amazon RDS for MySQL Backtrack feature
View answer
Correct Answer: D
Question #10
A company is running its line of business application on AWS, which uses Amazon RDS for MySQL at the persistent data store. The company wants to minimize downtime when it migrates the database to Amazon Aurora. Which migration method should a Database Specialist use?
A. Take a snapshot of the RDS for MySQL DB instance and create a new Aurora DB cluster with the option to migrate snapshots
B. Make a backup of the RDS for MySQL DB instance using the mysqldump utility, create a new Aurora DB cluster, and restore the backup
C. Create an Aurora Replica from the RDS for MySQL DB instance and promote the Aurora DB cluster
D. Create a clone of the RDS for MySQL DB instance and promote the Aurora DB cluster
View answer
Correct Answer: D
Question #11
A company is using Amazon RDS for PostgreSQL. The Security team wants all database connection requests to be logged and retained for 180 days. The RDS for PostgreSQL DB instance is currently using the default parameter group. A Database Specialist has identified that setting the log_connections parameter to 1 will enable connections logging. Which combination of steps should the Database Specialist take to meet the logging and retention requirements? (Choose two.)
A. Update the log_connections parameter in the default parameter group
B. Create a custom parameter group, update the log_connections parameter, and associate the parameterwith the DB instance
C. Enable publishing of database engine logs to Amazon CloudWatch Logs and set the event expiration to180 days
D. Enable publishing of database engine logs to an Amazon S3 bucket and set the lifecycle policy to 180 days
E. Connect to the RDS PostgreSQL host and update the log_connections parameter in the postgresql
View answer
Correct Answer: D
Question #12
A company is about to launch a new product, and test databases must be re-created from production data. The company runs its production databases on an Amazon Aurora MySQL DB cluster. A Database Specialist needs to deploy a solution to create these test databases as quickly as possible with the least amount of administrative effort. What should the Database Specialist do to meet these requirements?
A. Restore a snapshot from the production cluster into test clusters
B. Create logical dumps of the production cluster and restore them into new test clusters
C. Use database cloning to create clones of the production cluster
D. Add an additional read replica to the production cluster and use that node for testing
View answer
Correct Answer: C
Question #13
A company just migrated to Amazon Aurora PostgreSQL from an on-premises Oracle database. After the migration, the company discovered there is a period of time every day around 3:00 PM where the response time of the application is noticeably slower. The company has narrowed down the cause of this issue to the database and not the application. Which set of steps should the Database Specialist take to most efficiently find the problematic PostgreSQL query?
A. Create an Amazon CloudWatch dashboard to show the number of connections, CPU usage, and diskspace consumptio
B. Watch these dashboards during the next slow period
C. Launch an Amazon EC2 instance, and install and configure an open-source PostgreSQL monitoring toolthat will run reports based on the output error logs
D. Modify the logging database parameter to log all the queries related to locking in the database and thencheck the logs after the next slow period for this information
E. Enable Amazon RDS Performance Insights on the PostgreSQL databas
F. Use the metrics to identify anyqueries that are related to spikes in the graph during the next slow period
View answer
Correct Answer: C
Question #14
A company is looking to migrate a 1 TB Oracle database from on-premises to an Amazon Aurora PostgreSQL DB cluster. The company’s Database Specialist discovered that the Oracle database is storing 100 GB of large binary objects (LOBs) across multiple tables. The Oracle database has a maximum LOB size of 500 MB with an average LOB size of 350 MB. The Database Specialist has chosen AWS DMS to migrate the data with the largest replication instances. How should the Database Specialist optimize the database migra
A. Create a single task using full LOB mode with a LOB chunk size of 500 MB to migrate the data and LOBstogether
B. Create two tasks: task1 with LOB tables using full LOB mode with a LOB chunk size of 500 MB and task2without LOBs
C. Create two tasks: task1 with LOB tables using limited LOB mode with a maximum LOB size of 500 MB andtask 2 without LOBs
D. Create a single task using limited LOB mode with a maximum LOB size of 500 MB to migrate data andLOBs together
View answer
Correct Answer: A

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