1. Your company is getting ready to do a major public announcement of a social media site on AWS. The website Is running on EC2 instances deployed across multiple Availability Zones with a Multi-AZ RDS My SQL Extra Large DB Instance. The site performs a high number of small reads and writes per second and relies on an eventual consistency model. After comprehensive tests you discover that there is read contention on RDS My SQL. Which are the best approaches to meet these requirements?(Select 2answers)

A) Deploy Elastic Cache in-memory cache running in each availability zone
B) Increase the RDS My SQL Instance size and Implement provisioned lops
C) Add an RDS My SQL read replica in each availability zone
D) Implement shading to distribute load to multiple RDS My SQL instances



2. Which of the following is false when it comes to using the Elastic Load balancer with Op sworks stacks?

A) Each load balancer can handle only one layer
B) You can use either the Application or Classic Load Balancer with Ops Works stacks.
C) You can attach only one load balancer to a layer.
D) You need to create the load balancer before hand and then attach it to the Ops work stack.



3. A vendor needs access to your AWS(Amazon Web Service) account. They need to be able to read protected messages in a private S3 bucket. They have a separate AWS(Amazon Web Service) account. Which of the solutions below is the best way to do this?

A) Create an 53 bucket policy that allows the vendor to read from the bucket from their AWS(Amazon Web Service) account. Your answer is incorrect.
B) Create a cross-account lAM role with permission to access the bucket, and grant permission to use the role to the vendor AWS(Amazon Web Service) account.
C) Allow the vendor to SSH into your EC2 instance and grant them an lAM role with full access to the bucket.
D) Create an lAM User with API Access Keys. Give the vendor the AWS(Amazon Web Service) Access Key ID and AWS(Amazon Web Service) Secret Access Key for the user.



4. You have a number of Cloud formation stacks in your IT organization. Which of the following commands will help see all the cloud formation stacks which have a completed status? Please select:

A) describe-stacks
B) list-stacks
C) list. templates
D) stacks-complete



5. You currently have a set of instances running on your Ops work stacks. You need to install security updates on these servers. What does AWS(Amazon Web Service) recommend in terms of how the security updates should be deployed? Choose 2 answers from the options given below(Select 2answers)

A) Create a cloud formation template which can be used to replace the instances.
B) Create a new Ops work stack with the new instances.
C) On Linux-based instances in Chef 11.10 or older stacks, run the Update Dependencies stack command.
D) Create and start new instances to replace your current online Instances. Then delete the current instances.