1. Your company currently has a set of EC2 Instances running a web application which sits behind an Elastic Load Balancer. You also have an Amazon RDS instance which is used by the web application. You have been asked to ensure that this architecture is self healing in nature and cost effective. Which of the following would fulfill this requirement. Choose 2 answers from the option given below?(Select 2answers)

A) Use Cloud watch metrics to check the utilization of the databases servers. Use Auto scaling Group to scale database instances accordingly based on the cloud watch metrics.
B) Utilize the Read Replica feature for the Amazon RDS layer
C) Utilize the Multi-AZ feature for the Amazon RDS layer
D) Use Cloud watch metrics to check the utilization of the web layer. Use Auto scaling Group to scale the web instances accordingly based on the cloud watch metrics.



2. Your company has an application sitting on EC2 Instances behind an Elastic Load balancer. The EC2 Instances are being launched as part of an Auto scaling Group. Which of the following is an example of Blue Green Deployments In AWS?

A) Re-deploy your application behind a load balancer that uses Auto Scaling groups, create a new identical Auto Scaling group. and associate it to the load balancer. During deployment, set the desired number of instances on the old Auto Scaling group to zero. and when all Instances have terminated, delete the old Auto Scaling group.
B) Use the Ops works service to deploy your resources. Use 2 Opswork layers to deploy 2 versions of your application. When the time comes for the switch, change to the alternate layer in the Opswork stack
C) Use the Elastic beanstalk service to deploy your resources. Use 2 Elastic beanstalk environments. Use Roller deployments to switch between the environments.
D) Use a Cloud formation stack to deploy your resources. Use 2 Cloud formation stacks. Whenever you want to switch over, deploy and use the resources In the second Cloud formation stack.



3. Your company has a set of resources hosted in AWS. Your IT Supervisor is concerned with the costs being incurred with the current set of AWS(Amazon Web Service) resources and wants to monitor the cost usage. Which of the following mechanisms can be used to monitor the costs of the AWS(Amazon Web Service) resources and also look at the possibility of cost optimization. Choose 3 answers from the options given below Please select:(Select 3answers)

A) Use the Cost Explorer to see the costs of AWS(Amazon Web Service) resources
B) Send all logs to Cloud watch logs and inspect the logs for billing details
C) Create budgets in billing section so that budgets are set beforehand
D) Consider using the Trusted Advisor



4. You have decided you need to change the instance type of your instances in production which are running as part of an Auto scaling Group. You currently have 4 instances In production. You cannot have any interruption in service and need to ensure 2 instances are always running during the update. Which of the below options can be chosen for this?

A) Auto Scaling integration update
B) Auto Scaling Replacing update
C) Auto Scaling Scheduled Action
D) Auto Scaling Rolling update



5. You have an application running in us-west-2 that requires 6 EC2 instances running at all times. With 3 AZ available in that region, which of the following deployments provides 100% fault tolerance if any single AZ in us-west-2 becomes unavailable. Choose 2 answers from the options below Please select:(Select 2answers)

A) us-west-2a with 6 instances. us-west-2b with 6 instances. us-west-2c with 0 instances
B) us-west.2a with 3 Instances. us-west-2b with 3 instances, us-west-2c with 3 Instances
C) us-west-2a with 2 instances. us-west-2b with 2 instances, us-west-2c with 2 instances
D) us-west-2a with 4 instances, us-west-2b with 2 instances, us-west-2c with 2 instances
E) us-west-2a with 3 Instances. us-west-2b with 3 instances. us-west-2c with 0 instances