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Understanding functional and technical aspects of AWS Certified Database - Specialty Workload-Specific Database Design

The following will be discussed in AMAZON DBS-C01 exam dumps:

• Design database solutions for performance, compliance, and scalability
• Compare the costs of database solutions
• Select appropriate database services for specific types of data and workloads
• Determine strategies for disaster recovery and high availability

What is the duration, language, and format of AWS Certified Database - Specialty

• Passing score: 72%
• No negative marking for wrong answers
• Type of Questions: Multiple choice (MCQs), multiple answers

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What Are Career Opportunities That Certified AWS Database Specialty Specialists Can Get?

Once you pass the AWS DBS-C01 test and get the AWS Certified Database Specialty certification, you will become eligible for different career opportunities, such as:

• AWS Cloud Engineer;
• Technical Support & Solutions Analyst.
• Database Developer;
• Data Architect;
• Senior Database Administrator;

If you wonder what the responsibilities of an AWS Cloud Engineer are, you should know that he/she is in charge of handling the AWS cloud platform together with developing and ensuring its proper running. In addition, such a specialist is responsible for planning, implementing, and growing AWS cloud infrastructure. Also, an AWS Cloud Engineer will release and manage different production systems configuration. Finally, he/she is responsible for implementing the continuous integration and deployment of server-based technologies. When it comes to salaries, Payscale.com offers verified information on the average annual payment that an AWS Database Specialty certified specialist might get. For example, a Data Architect can earn around $119k on average per year. However, this salary can grow depending on the candidate's expertise. Besides, a Cloud Engineer can get about $91k per annum. But in case the specialist manages to add the AWS Certified Database Specialty certification under his/her belt, the annual salary can become higher and will equal $126k per year. Last but not least, Payscale.com mentions that the annual payment that a Senior Database Administrator can get is a little bit more than $108k. An experienced professional can win up to $138k per annum in this position. As this is a well-paid job role, you should know that the responsibilities list of such an employee includes providing database architecture to meet the required goals of specialized software. All in all, Senior Database Administrators will deal with the maintenance, configuration, and creation of databases. This, in its turn, involves backup, storage, and access to databases. After getting the AWS Certified Database Specialty certification, you can expand your knowledge and skills by obtaining any other database related certification.

Amazon AWS Certified Database - Specialty (DBS-C01) Exam Sample Questions (Q218-Q223):

NEW QUESTION # 218
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. 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.
• B. 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.
• 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. 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.

Answer: A 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 # 219
A company has applications running on Amazon EC2 instances in a private subnet with no internet connectivity. The company deployed a new application that uses Amazon DynamoDB, but the application cannot connect to the DynamoDB tables. A developer already checked that all permissions are set correctly.
What should a database specialist do to resolve this issue while minimizing access to external resources?

• A. Create a VPC endpoint for DynamoDB and add a route to the endpoint in the subnet's route table.
• B. Add a route to a NAT gateway in the subnet's route table.
• C. Assign a new security group to the EC2 instances with an outbound rule to ports 80 and 443.
• D. Add a route to an internet gateway in the subnet's route table.

Answer: A Explanation:
Explanation
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/vpc-endpoints-dynamodb.html
NEW QUESTION # 220
A company uses the Amazon DynamoDB table contractDB in us-east-1 for its contract system with the following schema:
orderID (primary key) timestamp (sort key) contract (map) createdBy (string) customerEmail (string) After a problem in production, the operations team has asked a database specialist to provide an IAM policy to read items from the database to debug the application. In addition, the developer is not allowed to access the value of the customerEmail field to stay compliant.
Which IAM policy should the database specialist use to achieve these requirements?
A)

B)

C)

D)

• A. Option B
• B. Option A
• C. Option C
• D. Option C

Answer: B
NEW QUESTION # 221
A company migrated one of its business-critical database workloads to an Amazon Aurora Multi-AZ DB cluster. The company requires a very low RTO and needs to improve the application recovery time after database failovers.
Which approach meets these requirements?

• A. Set the max_connections parameter to 16,000 in the instance-level parameter group.
• B. Create an Amazon RDS Proxy database proxy and update client connections to point to the proxy endpoint.
• C. Modify the client connection timeout to 300 seconds.
• D. Enable the query cache at the instance level.

Answer: B Explanation:
Explanation
Amazon RDS Proxy allows applications to pool and share connections established with the database, improving database efficiency and application scalability. With RDS Proxy, failover times for Aurora and RDS databases are reduced by up to 66% and database credentials, authentication, and access can be managed through integration with AWS Secrets Manager and AWS Identity and Access Management (IAM).
https://aws.amazon.com/rds/proxy/
NEW QUESTION # 222
A company stores session history for its users in an Amazon DynamoDB table. The company has a large user base and generates large amounts of session data.
Teams analyze the session data for 1 week, and then the data is no longer needed. A database specialist needs to design an automated solution to purge session data that is more than 1 week old.
Which strategy meets these requirements with the MOST operational efficiency?

• A. Create an AWS Step Functions state machine with a DynamoDB DeleteItem operation that uses the ConditionExpression parameter to delete items older than a week. Create an Amazon EventBridge (Amazon CloudWatch Events) scheduled rule that runs the Step Functions state machine on a weekly basis.
• B. Enable Amazon DynamoDB Streams on the table. Use a stream to invoke an AWS Lambda function to delete items older than a week from the DynamoDB table
• C. Enable TTL on the DynamoDB table and set a Number data type as the TTL attribute. DynamoDB will automatically delete items that have a TTL that is less than the current time.
• D. Create an AWS Lambda function to delete items older than a week from the DynamoDB table. Create an Amazon EventBridge (Amazon CloudWatch Events) scheduled rule that triggers the Lambda function on a weekly basis.

Answer: C Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/TTL.html
NEW QUESTION # 223
...... DBS-C01 Original Questions: https://www.latestcram.com/DBS-C01-exam-cram-questions.html