1. Which of the following Cloud formation helper scripts can help install packages on EC2 resources Please select:

A) cfn-signal
B) cfn-hup
C) cfn-get-metadata
D) cfn-init



2. You are a Dev ops Engineer for your company. You are in charge of an application that uses EC2, ELB and Auto scaling. You have been requested to get the ELB access logs. When you try to access the logs . you can see that nothing has been recorded in S3. Why Is this the case?

A) You do not have the necessary access to the logs generated by ELB.
B) The Auto scaling service is not sending the required logs to ELB
C) The EC2 instances are not sending the required logs to ELB
D) By default ELB access logs are disabled.



3. You have a setup in AWS(Amazon Web Service) which consists of EC2 Instances sitting behind and ELB. The launching and termination of the Instances are controlled via an Auto scaling Group. The architecture consists of a My SQL AWS(Amazon Web Service) RDS database. Which of the following can be used to induce one more step towards a self-healing architecture for this design?

A) Enable Read Replica?s for the AWS(Amazon Web Service) RDS database.
B) Enable Multi-AZ feature for the AWS(Amazon Web Service) RDS database.
C) Create one more Auto scaling Group in another region for fault tolerance
D) Create one more ELB in another region for fault tolerance



4. which is done by specifying the Auto Scaling Rolling Update policy. This retains the same Auto Scaling group and replaces old InstYour application is currently running on Amazon EC2 instances behind a load balancer. Your management has decided to use a Blue/Green deployment strategy. How should you implement this for each deployment?

A) Set up Amazon Route 53 health checks to fail over from any Amazon EC2 instance that is currently being deployed to.
B) Launch more Amazon EC2 instances to ensure high availability, de-register each Amazon EC2 instance from the load balancer, upgrade it, and test it. and then register it again with the load balancer.
C) Using AWS(Amazon Web Service) Cloud Formation. create a test stack for validating the code, and then deploy the code to each production Amazon EC2 instance.
D) Create a new load balancer with new Amazon EC2 instances, carry out the deployment, and then switch DNS over to the new load balancer using Amazon Route 53 after testing.



5. What is the amount of time that Ops work stacks services waits for a response from an underlying instance before deeming it as a failed instance?

A) 60 minutes
B) 20 minutes
C) 1 minute
D) 5 minutes