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Download AWS Certified Database - Specialty (DBS-C01) Exam Exam Dumps
NEW QUESTION 48
A company maintains several databases using Amazon RDS for MySQL and PostgreSQL. Each RDS database generates log files with retention periods set to their default values. The company has now mandated that database logs be maintained for up to 90 days in a centralized repository to facilitate real-time and after-the-fact analyses.
What should a Database Specialist do to meet these requirements with minimal effort?
- A. Create an AWS Lambda function to pull logs from the RDS databases and consolidate the log files in an Amazon S3 bucket. Set a lifecycle policy to expire the objects after 90 days.
- B. Create an AWS Lambda function to download the logs from the RDS databases and publish the logs to Amazon CloudWatch Logs. Change the log retention policy for the log group to expire the events after
90 days. - C. Modify the RDS databases to publish log to Amazon CloudWatch Logs. Change the log retention policy for each log group to expire the events after 90 days.
- D. Write a stored procedure in each RDS database to download the logs and consolidate the log files in an Amazon S3 bucket. Set a lifecycle policy to expire the objects after 90 days.
Answer: A
NEW QUESTION 49
A company's ecommerce website uses Amazon DynamoDB for purchase orders. Each order is made up of a Customer ID and an Order ID. The DynamoDB table uses the Customer ID as the partition key and the Order ID as the sort key.
To meet a new requirement, the company also wants the ability to query the table by using a third attribute named Invoice ID. Queries using the Invoice ID must be strongly consistent. A database specialist must provide this capability with optimal performance and minimal overhead.
What should the database administrator do to meet these requirements?
- A. Add a local secondary index on Invoice ID to the existing table.
- B. Recreate the table by using the latest snapshot while adding a local secondary index on Invoice ID.
- C. Use the partition key and a FilterExpression parameter with a filter on Invoice ID for all queries.
- D. Add a global secondary index on Invoice ID to the existing table.
Answer: B
NEW QUESTION 50
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 CPU utilization is less than 10%.
- B. The request will fail because this storage capacity is too large.
- C. The request will fail as the most recent modification was too soon.
- D. The request will succeed only if the primary instance is in active status.
Answer: D
NEW QUESTION 51
A company has deployed an e-commerce web application in a new AWS account. An Amazon RDS for MySQL Multi-AZ DB instance is part of this deployment with a database-1.xxxxxxxxxxxx.us-east-
1.rds.amazonaws.com endpoint listening on port 3306. The company's Database Specialist is able to log in to MySQL and run queries from the bastion host using these details.
When users try to utilize the application hosted in the AWS account, they are presented with a generic error message. The application servers are logging a "could not connect to server: Connection times out" error message to Amazon CloudWatch Logs.
What is the cause of this error?
- A. The user name and password are correct, but the user is not authorized to use the DB instance.
- B. The security group assigned to the application servers does not have the necessary rules to allow inbound connections from the DB instance.
- C. The security group assigned to the DB instance does not have the necessary rules to allow inbound connections from the application servers.
- D. The user name and password the application is using are incorrect.
Answer: C
NEW QUESTION 52
......
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