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Be sure to also study up on Route 53 health checks for the exam.

On AWS networking services and DNS (for example, Direct Connect, AWS Site-to-Site VPN, Route 53)

I think the part on NAT Gateways could be better explained.

On Requirements and implementation options for outbound and inbound endpoints

Using Route 53 to optimize latency through geolocation routing has been a game-changer for us.

On Enabling cross-Region solutions where available (for example, Amazon DynamoDB, Amazon RDS, Amazon Route 53, Amazon S3, Amazon CloudFront)

Really appreciate the practical examples provided!

On Understand ML models.

Clear and concise blog post. Thanks for sharing!

On AWS global infrastructure (for example, Availability Zones, AWS Regions)

Could someone explain how to use the 'Detail-Type' in the event pattern for different services?

On Configuring EventBridge to send notifications based on a particular event pattern

Awesome post! Can anyone explain how AWS RAM helps in multi-account DNS management?

On How to share DNS services between accounts (for example, AWS RAM)

Thanks for the detailed explanation!

On Differentiate between the use of a single Availability Zone and Multi-AZ deployments (for example, Amazon EC2 Auto Scaling groups, ELB, Amazon FSx, Amazon RDS).

Is there any performance difference between using Amazon ECS with EC2 instances and AWS Fargate?

On Identifying managed AWS services (for example, Amazon RDS, Amazon Elastic Container Service [Amazon ECS], Amazon Elastic Kubernetes Service [Amazon EKS], Amazon DynamoDB

Are read replicas automatically backed up?

On When to use read replicas

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