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How to Prepare For AWS Certified Database - Specialty

Preparation Guide for AWS Certified Database - Specialty

Introduction for AWS Certified Database - Specialty

The AWS Certified Database - Specialty (DBS-C01) examination is intended for individuals who perform in a database-focused role. This exam validates an examinee's comprehensive understanding of databases, including the concepts of design, migration, deployment, access, maintenance, automation, monitoring, security, and troubleshooting.It validates an examinee's ability to:

Understand and differentiate the key features of AWS database services.Analyze needs and requirements to design and recommend appropriate database solutions using AWS services

Material offered by Pass4sures helps you understand the evolving landscape of databases and what AWS services are available to use those databases. It also serves as an overview of the different skills and responsibilities a database specialist needs to know. You'll then be guided through several courses that go deeper into specific AWS database services to gain an in-depth understanding of when and how to best use each service. This knowledge is valuable for both real-life design and implementation as well as preparing to take the AWS Database Specialty Exam. Use our AMAZON DBS-C01 practice exams and AMAZON DBS-C01 practice exams to prepare in depth for the exam.

Recommended Knowledge and Experience for this exam:

At least 2 years of hands-on experience working on AWSExperience and expertise working with on-premises and AWS-Cloud-based relational and nonrelational databasesAt least 5 years of experience with database technologiesAWS DBS-C01 Exam Certification Details:Exam CodeDBS-C01Exam NameAWS Certified Database - SpecialtyPassing Score750 / 1000Sample QuestionsAWS DBS-C01 Sample QuestionsDuration180 minutesExam Price$300 USDRecommended Training / BooksAWS Database Offerings
Planning and Designing Databases on AWS
Exam Readiness - AWS Certified Database - Specialty

>> Latest AWS-Certified-Database-Specialty Questions <<

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Amazon AWS Certified Database - Specialty (DBS-C01) Exam Sample Questions (Q212-Q217):

NEW QUESTION # 212
Amazon DynamoDB global tables are being used by a business to power an online gaming game. The game is played by gamers from all around the globe. As the game became popularity, the amount of queries to DynamoDB substantially rose. Recently, gamers have complained about the game's condition being inconsistent between nations. A database professional notices that the ReplicationLatency metric for many replica tables is set to an abnormally high value.
Which strategy will resolve the issue?

A. Configure the table-level write throughput limit service quota to a higher value.B. Configure the primary table to use DynamoDB auto scaling and the replica tables to use manually provisioned capacity.C. Configure all replica tables to use DynamoDB auto scaling.D. Configure a DynamoDB Accelerator (DAX) cluster on each of the replicas.

Answer: C

Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/V2globaltables_reqs_bestpractices.html


NEW QUESTION # 213
A large company is using an Amazon RDS for Oracle Multi-AZ DB instance with a Java application. As a part of its disaster recovery annual testing, the company would like to simulate an Availability Zone failure and record how the application reacts during the DB instance failover activity. The company does not want to make any code changes for this activity.
What should the company do to achieve this in the shortest amount of time?

A. Use the RDS console to reboot the DB instance by choosing the option to reboot with failoverB. Use a blue-green deployment with a complete application-level failover testC. Use RDS fault injection queries to simulate the primary node failureD. Add a rule to the NACL to deny all traffic on the subnets associated with a single Availability Zone

Answer: A

Explanation:
Explanation
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_RebootInstance.html
https://exain.wordpress.com/2017/07/12/amazon-rds-multi-az-setup-failover-simulation/
"Rebooting with failover is beneficial when you want to simulate a failure of a DB instance for testing, or restore operations to the original AZ after a failover occurs."


NEW QUESTION # 214
A business just transitioned from an on-premises Oracle database to Amazon Aurora PostgreSQL. Following the move, the organization observed that every day around 3:00 PM, the application's response time is substantially slower. The firm has determined that the problem is with the database, not the application.
Which set of procedures should the Database Specialist do to locate the erroneous PostgreSQL query most efficiently?

A. Modify the logging database parameter to log all the queries related to locking in the database and then check the logs after the next slow period for this information.B. Enable Amazon RDS Performance Insights on the PostgreSQL database. Use the metrics to identify any queries that are related to spikes in the graph during the next slow period.C. Create an Amazon CloudWatch dashboard to show the number of connections, CPU usage, and disk space consumption. Watch these dashboards during the next slow period.D. Launch an Amazon EC2 instance, and install and configure an open-source PostgreSQL monitoring tool that will run reports based on the output error logs.

Answer: B

Explanation:
Explanation
https://aws.amazon.com/blogs/database/optimizing-and-tuning-queries-in-amazon-rds-postgresql-based-on-nativ
"AWS recently released a feature called Amazon RDS Performance Insights, which provides an easy-to-understand dashboard for detecting performance problems in terms of load." "AWS recently released a feature called Amazon RDS Performance Insights, which provides an easy-to-understand dashboard for detecting performance problems in terms of load."


NEW QUESTION # 215
A company hosts a 2 TB Oracle database in its on-premises data center. A database specialist is migrating the database from on premises to an Amazon Aurora PostgreSQL database on AWS.
The database specialist identifies a problem that relates to compatibility Oracle stores metadata in its data dictionary in uppercase, but PostgreSQL stores the metadata in lowercase. The database specialist must resolve this problem to complete the migration.
What is the MOST operationally efficient solution that meets these requirements?

A. Use AWS Database Migration Service (AWS DMS) mapping rules with rule-action as convert-lowercase.B. Use an AWS Glue job that is attached to an AWS Database Migration Service (AWS DMS) replication task to convert the metadata from uppercase to lowercase.C. Override the default uppercase format of Oracle schema by encasing object names in quotation marks during creation.D. Use the AWS Schema Conversion Tool conversion agent to convert the metadata from uppercase to lowercase.

Answer: A

Explanation:
https://aws.amazon.com/premiumsupport/knowledge-center/dms-mapping-oracle-postgresql/


NEW QUESTION # 216
A business is launching a new Amazon RDS for SQL Server database instance. The organization wishes to allow auditing of the SQL Server database.
Which measures should a database professional perform in combination to achieve this requirement? (Select two.)

A. Set up an options group to configure an IAM role and an Amazon S3 bucket for audit log storage. Associate the options group with the DB instance.B. Set up a parameter group to configure an IAM role and an Amazon S3 bucket for audit log storage. Associate the parameter group with the DB instance.C. Disable automated backup on the DB instance, and then enable auditing. Enable automated backup after auditing is enabled.D. Disable Multi-AZ on the DB instance, and then enable auditing. Enable Multi-AZ after auditing is enabled.E. Create a service-linked role for Amazon RDS that grants permissions for Amazon RDS to store audit logs on Amazon S3.

Answer: A,E

Explanation:
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Appendix.SQLServer.Options.Audit.html
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/security_iam_service-with-iam.html


NEW QUESTION # 217
......

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