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RDS is for ___________ Workloads
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OLTP
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Database in RDS need to be highly available
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Use Multi-AZ instance
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how encrypt a RDS database with read replicas?
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Create a DB snapshot from instance.
Copy DB snapshot with encryption enabled. Restore a new DB from the encrypted snapshot. Configure Read Replica in the new DB instance. |
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How you could increase the number of connections to the RDS instance?
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Create a new parameter group, attach it to DB instance and change the settings.
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EC2 self-healing
RDS self-healing |
Use Cloudwatch to check utilization. USe auto scaling group to scale based CloudWatch metrics.
Use Multi-AZ for the Amazon RDS layer. |
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When you disable automated backups for AWS RDS what are you compromising an?
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You are disabling the point-in-time recovery
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Multi AZ failover in RDS
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Second database is available in case a hardware failure in the primary database.
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how encrypt at rest RDS?
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*Use the encryption feature for RDS
*Use AWS KMS |
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If we have a high number of read request we could use:
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*Elastic-Cache: Data don't change a lot.
*Read-replicas: Data keeps changing every hour |
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Which feature need to be configured additionally to avoid future data loss (and copy data before instance termination) in instance behind of ASG?
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Add lifecycle hooks to autoscaling group
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If you have app that need obtain temporary credentials to access DynamoDb, what is necessary?
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IAM role allowing the app to have access to DynamoDB
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Global tables for DynamoDB
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Ensure that the latency for datare retrieval is the least from the other regions.
Amazon DynamoDB global tables provide a fully managed solution for deploying a multi-Region, multi-active database, without having to build and maintain your own replication solution. |
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DynamoDB is _____________ how S3
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Serverless
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If there are spikes in DynamoDb write throughput you could use ___________________
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DynamoDB Auto Scaling
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to retrieve new records or changes from dynamodb table we use _______________
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DynamoDB Streams to monitor the change in DynamoDB table.
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if appear throttling in a DynamoDB table. what is a possible solutions?
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Enable autoscaling for the underlying DynamoDB table.
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DynamoDB transactions
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ACID requirements
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It's necessary use DynamoDB table.
It's necessary to provide inputs to ensure that an optimal strategy is employed for a high read and write on the underlying DynamoDB table. Which is necessary to consider? |
Use partition keys with a large number of distinct values for the underlying table
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