You Are in Charge of a Large-Scale Highly Available Multi-Tier

question 322

Multiple Choice

You are in charge of a large-scale highly available multi-tier web application infrastructure. This architecture consists of Amazon Route53 with a load balancer and multiple Amazon EC2 instances. You have been tasked to come up with a process to provide Blue/Green style deployments. Which technique should you use to deliver this new requirement?

• A) Using Elastic Beanstalk re-deploy your application and configure Elastic Beanstalk Deployment types, and then use Amazon Route53's alias resource record set to swap between Elastic Beanstalk deployment types.
• B) Re-deploy your application behind a load balancer using an AWS CloudFormation template, launch a new AWS CloudFormation stack during each deployment, update your Amazon Route53 alias resource record set to point to the new load balancer, and finally, terminate your old AWS CloudFormation stack.
• C) Re-deploy your application behind a load balancer using Auto Scaling groups, create a new identical Auto Scaling group, and associate it to the load balancer. During deployment, create a new Amazon Route53 hosted zone, add this new load balancer to the zone in an alias resource record set, and then remove your old Auto Scaling group.
• D) Re-deploy your application behind a load balancer using an OpsWorks stack, and use AWS OpsWorks stack versioning. During deployment, create a new version of your application, tell OpsWorks to launch the new version behind your load balancer, and when the new version launches, update your Amazon Route53 alias resource retort to point to the new load balancer.

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Definitions:

Experienced

Having knowledge or skill in a particular field, obtained through involvement in or exposure to that area over a period of time.

Gender-Gap

The disparity between genders in various aspects of life, including but not limited to earnings, education, health, and political representation.

Median Education

The middle value of the education level of a population when ordered from the lowest to highest level.

Managerial and Administrative Jobs

Roles focused on overseeing operations, making decisions, and ensuring the smooth running of organizations or departments.