Amazon Web Services SOA-C02 Exam With Confidence Using Practice Dumps

To allow outbound IPv6 traffic from instances in your VPC to the internet, but prevent inbound traffic from the internet, you should use an egress-only internet gateway.

Egress-Only Internet Gateway:

An egress-only internet gateway is a horizontally scaled, redundant, and highly available VPC component that allows outbound communication over IPv6 from instances in your VPC to the internet and prevents the internet from initiating an IPv6 connection with your instances.

Routing Configuration:

Open the Amazon VPC console.

Select the route table associated with your VPC.

Add a route for IPv6 traffic (destination ::/0) to the egress-only internet gateway.

Egress-Only Internet Gateways

Routing for IPv6 Traffic

Amazon CloudWatch Logs Insights allows you to interactively search and analyze your log data. This can be used to quickly identify the top internet destinations accessed by the EC2 instances.

Steps:

Open CloudWatch Logs Insights:

Open the Amazon CloudWatch console.

In the navigation pane, choose "Logs Insights".

Select the Log Group:

Select the log group that contains the VPC flow logs for the NAT gateway.

Run a Query:

Use the following query to identify the top five internet destinations:

sql

Copy code

fields @timestamp, dstAddr

| stats count(*) as requestCount by dstAddr

| sort requestCount desc

| limit 5

This query will count the number of requests to each destination address, sort them in descending order, and limit the results to the top five.

Analyze Results:

Review the output to identify the top five internet destinations that the EC2 instances communicate with for downloads.

Amazon CloudFront is a global content delivery network (CDN) service that delivers your content with low latency and high transfer speeds. By distributing the static content (images and videos) to CloudFront edge locations, users in the United States and Europe can access the content from the nearest edge location, significantly improving the load times.

Create a CloudFront Distribution:

Open the Amazon CloudFront console at Amazon CloudFront Console.

Choose Create Distribution and select Web.

Specify the S3 bucket as the origin where your static content is stored.

Configure Distribution Settings:

Configure the settings, such as cache behaviors and SSL/TLS settings.

Optionally, configure additional features like geo-restriction and logging.

Update DNS Configuration:

Update your DNS records to point to the CloudFront distribution. This can be done via Amazon Route 53 or your DNS provider.

Monitor Performance:

Use CloudFront reports and logs to monitor the performance and adjust configurations if needed.

Amazon CloudFront Overview

Creating a CloudFront Distribution