Create an Amazon CloudWatch metric to monitor account billing and limit it to $0

Create a service control policy(SCP) to restrict all services that are not included in the AWS Free Tier

Create an Amazon CloudWatch alarm to send you an email message when the account billing exceeds $0

Log in to the AWS Management Console each moth and check your billing dashboard

Use geoproximity routing and a Network Load Balancer that is attached to both Regins

Use an Application Load Balancer with Amazon CloudWatch alarms

Use latency-based routing in Amazon Route 53 with Amazon CloudWatch alarms

Use geolocation routing with failover records in Amazon Route 53

It adds and removes database instances in response to changes in traffic

It changes the instance type in response to change in processing load

It adjusts the provisioned throughput capacity in response to traffic patterns

It adds read replicas in response to increase read demand

By adding read replicas

By sharding the database

By creating dedicated read and write nodes

By changing the instance class

Create a VPC gateway endpoint for Amazon S3

Use a private IP address for the system

Create a VPC peering connection to Amazon S3

Use the private IP address of Amazon S3

VPC endpoints

VPC peering

AWS Direct Connect

AWS Site-to-Site VPN

An extension of the AWS Cloud into customer data centers that uses AWS hardware installed on premises

A private telecommunications circuit from an on-premises network direct into AWS that uses Point-to-Point Protocol (PPP)

A dedicated network connection from an on-premises network to AWS that use 802.1q

An encrypted tunnel that connects an on-premises network to AWS over the internet

Associate an Elastic IP address with the EC2 instance

Assign the IP address in the operating system (OS) boot configuration

Enable automatic address assignment for the EC2 instance

Enable automatic address assignment for the subnet

Two different subnets in the same Availability Zone. Each subnet contains one EC2 instance.

One subnet, which spans two Availability Zones. Each Availability Zone contains one EC2 instance.

One subnet in one Availability Zone. The subnet contains two EC2 instances.

A virtual private network (VPN) in the AWS Cloud

A logical isolated virtual network that you define in the AWS Cloud

A fully managed service that extends the AWS Cloud to customer premises

An extension of an on-premises network into AWS