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What Is DBS-C01 Exam Outline?
The AWS DBS-C01 exam measures the candidates' knowledge of five domains. They are the following:
- Troubleshooting & Monitoring;
- Operations and Management;
- Database Security.
- Workload-specific Database Design;
- Migration as well as Deployment;
Each of the topics has different sections. Thus, the first domain is dedicated to selecting the appropriate database services for different types of workloads and data. Candidates will learn how to determine a proper strategy to ensure business continuity & high availability in case of disaster. Also, they will learn how to identify different design database solutions and ensure the highest level of scalability, compliance, and performance. Finally, applicants will be shown how to compare the costs of different database solutions and choose the most cost-effective one.
The second topic is dedicated to migration and deployment. Within this subdomain, candidates will learn how to automate different database solution deployments. They will also learn how to determine data preparation and how to develop migration strategies. Finally, this area includes intensive training on data migration validation and execution.
The third part handles the management and operations topics. The basic concepts targeted in this section focus on how to determine maintenance tasks and processes. You will also learn how to create restoration strategies and determine effective backup. Finally, you will understand more about how to ensure proper database solution operational environmental management.
The fourth section focuses on monitoring and troubleshooting. Thus, candidates will learn how to develop the most effective alerting and monitoring strategies. Also, they will become proficient in troubleshooting and resolving the most common database issues. The final subtopic included in this section handles database performance optimization.
Last but not least, the final segment is dedicated to database security. Examinees will understand more about data encryption at rest and in transit. Also, they will identify the most effective auditing solutions. You will learn how to determine proper access control and develop the right authentication mechanisms for your organization. At last, you will become skilled in recognizing potential security vulnerabilities using database solutions.
Below are advantages of Getting the AWS Certified Database Specialty Certification Exam
Amazon AWS Certified Database - Specialty has the knowledge to use the tools to complete the task efficiently and cost effectively than the other non-certified professionals lack in doing so.
Amazon AWS Certified Database - Specialty has more useful and relevant networks that help them in setting career goals for themselves. Amazon AWS Certified Database - Specialty networks provide them with the right career direction than non certified usually are unable to get.
Amazon AWS Certified Database - Specialty is distinguished among competitors. Amazon AWS Certified Database - Specialty certification can give them an edge at that time easily when candidates appear for a job interview employers seek to notify something which differentiates the individual to another.
Amazon AWS Certified Database - Specialty Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.
How much AWS Certified Database - Specialty Cost
The cost of the AWS Certified Database - Specialty is $150. For more information related to exam price, please visit the official website AWS as the cost of exams may be subjected to vary county-wise.
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Amazon AWS Certified Database - Specialty (DBS-C01) Exam Sample Questions (Q24-Q29):
NEW QUESTION # 24
A database professional maintains a fleet of Amazon RDS database instances that are configured to utilize the default database parameter group. A database expert must connect a custom parameter group with certain database instances.
When will the instances be allocated to this new parameter group once the database specialist performs this change?
- A. Within 24 hours after the change is made to the parameter group
- B. Instantaneously after the change is made to the parameter group
- C. After the DB instances are manually rebooted
- D. In the next scheduled maintenance window of the DB instances
Answer: C
Explanation:
Explanation
When you associate a new DB parameter group with a DB instance, the modified static and dynamic parameters are applied only after the DB instance is rebooted.
NEW QUESTION # 25
A database specialist is designing an enterprise application for a large company. The application uses Amazon DynamoDB with DynamoDB Accelerator (DAX).
The database specialist observes that most of the queries are not found in the DAX cache and that they still require DynamoDB table reads.
What should the database specialist review first to improve the utility of DAX?
- A. The DAX cluster's TTL setting
- B. The trust relationship to perform the DynamoDB API calls
- C. The validity of customer-specified AWS Key Management Service (AWS KMS) keys for DAX encryption at rest
- D. The DynamoDB ConsumedReadCapacityUnits metric
Answer: A
Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/DAX.cluster-management.html#DAX.cluster-management.custom-settings.ttl
NEW QUESTION # 26
A database professional is developing an application that will respond to single-instance requests. The program will query large amounts of client data and offer end users with results.
These reports may include a variety of fields. The database specialist want to enable users to query the database using any of the fields offered.
During peak periods, the database's traffic volume will be significant yet changeable. However, the database will see little activity over the rest of the day.
Which approach will be the most cost-effective in meeting these requirements?
- A. Amazon Aurora in a serverless mode
- B. Amazon DynamoDB with on-demand capacity mode
- C. Amazon DynamoDB with provisioned capacity mode and auto scaling
- D. Amazon Aurora with auto scaling enabled
Answer: A
Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Limits.html#limits-items
NEW QUESTION # 27
A company is using a Single-AZ Amazon RDS for MySQL DB instance for development. The DB instance is experiencing slow performance when queries are executed. Amazon CloudWatch metrics indicate that the instance requires more I/O capacity.
Which actions can a database specialist perform to resolve this issue? (Choose two.)
- A. Restart the application tool used to execute queries.
- B. Convert from General Purpose to Provisioned IOPS (PIOPS).
- C. Change to a database instance class with higher throughput.
- D. Convert from Single-AZ to Multi-AZ.
- E. Increase the I/O parameter in Amazon RDS Enhanced Monitoring.
Answer: C,E
NEW QUESTION # 28
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 global secondary index on Invoice ID to the existing table.
- B. Add a local secondary index on Invoice ID to the existing table.
- C. Recreate the table by using the latest snapshot while adding a local secondary index on Invoice ID.
- D. Use the partition key and a FilterExpression parameter with a filter on Invoice ID for all queries.
Answer: C
Explanation:
Explanation
as Local secondary index can only be created while creating the Dynamodb table. and query needs to use third attribute on top of primary and sort key, so Local Secondary index has primary and sort key as well as the third attribute. Global secondary index can be created without primary and sort key
NEW QUESTION # 29
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