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Guide for Amazon AWS Certified Database - Specialty Exam

Quiz Amazon AWS Certified Database - Specialty Exam

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Quiz

1/10
Workload-Specific Database Design
A manufacturing company needs to store real-time sensor data from 50,000 IoT devices, with timestamps and numerical measurements. They need sub-second query performance for time-range queries and expect to store trillions of data points. Which AWS database service is the best fit?
Select the answer
1 correct answer
A.
Amazon Aurora with time-series optimized tables
B.
Amazon Timestream for time-series data
C.
Amazon DynamoDB with TTL
D.
Amazon RDS for PostgreSQL with TimescaleDB extension

Quiz

2/10
Deployment and Migration
Your company needs to migrate a 2TB Oracle database to AWS RDS for PostgreSQL. The source database is on-premises with limited bandwidth connectivity. Which combination of AWS services would be most appropriate for this heterogeneous migration?
Select the answer
1 correct answer
A.
AWS DMS with AWS Snowball for data transfer and SCT for schema conversion
B.
AWS Database Migration Service alone with direct network connectivity
C.
Manual export/import using AWS DataPipeline
D.
AWS Glue ETL with S3 intermediate storage

Quiz

3/10
Management and Operations
A company runs a critical RDS database that experiences regular maintenance updates. The team needs to ensure that maintenance windows don't conflict with peak business hours between 9 AM and 5 PM EST. Which of the following is the most appropriate strategy?
Select the answer
1 correct answer
A.
Schedule the RDS maintenance window to occur between 10 PM and 2 AM EST to avoid peak hours
B.
Disable automatic maintenance and manually apply patches whenever convenient during off-peak hours
C.
Enable Multi-AZ deployment and schedule maintenance during business hours since failover will be automatic
D.
Configure RDS to apply critical security patches immediately and defer minor updates to scheduled maintenance windows

Quiz

4/10
Monitoring and Troubleshooting
Your RDS MySQL database is experiencing intermittent slow query performance. You need to identify which queries are taking the longest time to execute and analyze their execution patterns. Which combination of monitoring tools would be most effective for this scenario?
Select the answer
1 correct answer
A.
Enable the general log and analyze query execution times in CloudWatch Logs
B.
Enable Performance Insights and slow query logs, then correlate data with Enhanced Monitoring metrics
C.
Use CloudTrail to track all database API calls and filter by query duration
D.
Enable binary logging and use AWS DMS to track query execution

Quiz

5/10
Database Security
A company has deployed an RDS MySQL database and needs to ensure that all data at rest is encrypted using AWS-managed keys. Currently, database backups are unencrypted. Which configuration change will encrypt the backup data?
Select the answer
1 correct answer
A.
Enable encryption using RDS default encryption settings without specifying a KMS key
B.
Enable RDS encryption at the time of DB instance creation with a specific KMS key
C.
Apply encryption only to snapshots through the AWS Backup service
D.
Modify the RDS parameter group to enable binary logging with encryption

Quiz

6/10
Workload-Specific Database Design
Your application requires ACID transactions, complex SQL queries, and strict data consistency. You also need automatic failover within seconds and read replicas for reporting. The database should scale vertically with minimal operational overhead. Which service should you choose?
Select the answer
1 correct answer
A.
Amazon DynamoDB with global tables
B.
Amazon Neptune for relationship queries
C.
Amazon DocumentDB with sharding
D.
Amazon Aurora with multi-AZ deployment

Quiz

7/10
Deployment and Migration
You are implementing a blue-green deployment strategy for a critical MySQL database migration to RDS. What is the primary advantage of this approach?
Select the answer
1 correct answer
A.
It eliminates the need for database backups during migration
B.
It allows instant rollback to the previous version with zero downtime if issues occur
C.
It automatically duplicates all user data to both environments
D.
It removes the requirement for application code changes

Quiz

8/10
Management and Operations
Your organization has an RDS MySQL database with automated backups enabled and a backup retention period of 7 days. A database corruption is discovered on day 8, requiring recovery to a point 6 days ago. What should you do?
Select the answer
1 correct answer
A.
Use point-in-time recovery to restore to the exact time before corruption occurred
B.
Restore from the last automated snapshot before the corruption window
C.
Manually create a new snapshot and restore from it
D.
Contact AWS Support to extend the backup retention period retroactively

Quiz

9/10
Monitoring and Troubleshooting
You are troubleshooting a DynamoDB table that is experiencing intermittent throttling. The application logs show RequestLimitExceeded errors occurring at specific times of day. What should you examine first to understand the throttling pattern?
Select the answer
1 correct answer
A.
DynamoDB consumed capacity metrics in CloudWatch and the request rate pattern
B.
DynamoDB stream records to identify the operations causing throttling
C.
The application connection pool settings to ensure proper connection reuse
D.
AWS CloudTrail logs filtered for DynamoDB API calls

Quiz

10/10
Database Security
An organization uses RDS Proxy to manage connections to an Aurora PostgreSQL database. The Proxy is configured to use Secrets Manager for credential rotation. During a security audit, you need to verify that SSL/TLS encryption is enforced for all connections between the application and the Proxy. What is the best approach to enforce this requirement?
Select the answer
1 correct answer
A.
Set the Proxy client authentication type to "MYSQL_NATIVE_PASSWORD" in the connection string
B.
Configure the RDS Proxy with "require_secure_transport" parameter in the target group
C.
Enable TLS requirement in RDS Proxy by using the "force-ssl" connection option
D.
Set the RDS Proxy connection authentication protocol to "TLS" and enforce at the DB instance level
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  • Quiz name:Amazon AWS Certified Database - Specialty Exam
  • Total number of questions:200
  • Number of questions for the test:50
  • Pass score:80%

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