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Free DBS-C01 Exam Braindumps (page: 15)

Page 14 of 82
PDF with 359 Questions

A gaming company is designing a mobile gaming app that will be accessed by many users across the globe. The company wants to have replication and full support for multi-master writes. The company also wants to ensure low latency and consistent performance for app users.
Which solution meets these requirements?

  1. Use Amazon DynamoDB global tables for storage and enable DynamoDB automatic scaling
  2. Use Amazon Aurora for storage and enable cross-Region Aurora Replicas
  3. Use Amazon Aurora for storage and cache the user content with Amazon ElastiCache
  4. Use Amazon Neptune for storage

Answer(s): A

Explanation:


Reference:

https://aws.amazon.com/blogs/database/how-to-use-amazon-dynamodb-global-tables-to-power-multiregion-architectures/



A Database Specialist needs to speed up any failover that might occur on an Amazon Aurora PostgreSQL DB cluster. The Aurora DB cluster currently includes the primary instance and three Aurora Replicas.
How can the Database Specialist ensure that failovers occur with the least amount of downtime for the application?

  1. Set the TCP keepalive parameters low
  2. Call the AWS CLI failover-db-cluster command
  3. Enable Enhanced Monitoring on the DB cluster
  4. Start a database activity stream on the DB cluster

Answer(s): A



A Database Specialist needs to define a database migration strategy to migrate an on-premises Oracle database to an Amazon Aurora MySQL DB cluster. The company requires near-zero downtime for the data migration. The solution must also be cost-effective.
Which approach should the Database Specialist take?

  1. Dump all the tables from the Oracle database into an Amazon S3 bucket using data pump (expdp). Run data transformations in AWS Glue. Load the data from the S3 bucket to the Aurora DB cluster.
  2. Order an AWS Snowball appliance and copy the Oracle backup to the Snowball appliance. Once the Snowball data is delivered to Amazon S3, create a new Aurora DB cluster. Enable the S3 integration to migrate the data directly from Amazon S3 to Amazon RDS.
  3. Use the AWS Schema Conversion Tool (AWS SCT) to help rewrite database objects to MySQL during the schema migration. Use AWS DMS to perform the full load and change data capture (CDC) tasks.
  4. Use AWS Server Migration Service (AWS SMS) to import the Oracle virtual machine image as an Amazon EC2 instance. Use the Oracle Logical Dump utility to migrate the Oracle data from Amazon EC2 to an Aurora DB cluster.

Answer(s): C



A marketing company is using Amazon DocumentDB and requires that database audit logs be enabled. A Database Specialist needs to configure monitoring so that all data definition language (DDL) statements performed are visible to the Administrator. The Database Specialist has set the audit_logs parameter to enabled in the cluster parameter group.

What should the Database Specialist do to automatically collect the database logs for the Administrator?

  1. Enable DocumentDB to export the logs to Amazon CloudWatch Logs
  2. Enable DocumentDB to export the logs to AWS CloudTrail
  3. Enable DocumentDB Events to export the logs to Amazon CloudWatch Logs
  4. Configure an AWS Lambda function to download the logs using the download-db-log-file-portion operation and store the logs in Amazon S3

Answer(s): A

Explanation:


Reference:

https://docs.aws.amazon.com/documentdb/latest/developerguide/profiling.html






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