A company is deploying a web application on an Application Load Balancer (ALB). They need to secure the traffic in transit using HTTPS. What is the MOST cost-effective and operationally efficient way to obtain and manage the SSL/TLS certificate?

Answer options:

Purchase a certificate from a third-party CA and manually upload it to the ALB.

Use AWS Certificate Manager (ACM) to provision a public certificate.

Use AWS KMS to generate an SSL certificate.

Install a self-signed certificate on the EC2 instances.

How to approach this question

Look for the AWS managed certificate service.

Full Answer

B.Use AWS Certificate Manager (ACM) to provision a public certificate.✓ Correct

Use AWS Certificate Manager (ACM) to provision a public certificate and attach it to the ALB.

AWS Certificate Manager (ACM) easily provisions, manages, and deploys public and private SSL/TLS certificates. Public certificates are free and automatically renewed.

Common mistakes

Thinking third-party CAs are required for public websites on AWS.

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