How can the domain’s zone apex, for example, “myzoneapexdomain.com”, be pointed
towards an Elastic Load Balancer?

You launch an Amazon EC2 instance without an assigned AVVS identity and Access
Management (IAM) role. Later, you decide that the instance should be running with an IAM
role. Which action must you take in order to have a running Amazon EC2 instance with an
IAM role assigned to it?

You have launched an Amazon Elastic Compute Cloud (EC2) instance into a public subnet
with a primary private IP address assigned, an internet gateway is attached to the VPC, and
the public route table is configured to send all Internet-based traffic to the Internet gateway.
The instance security group is set to allow all outbound traffic but cannot access the internet.
Why is the Internet unreachable from this instance?

A company wants to implement their website in a virtual private cloud (VPC). The web tier will
use an Auto Scaling group across multiple Availability Zones (AZs). The database will use
Multi-AZ RDS MySQL and should not be publicly accessible. ‘What is the minimum number of
subnets that need to be configured in the VPC?

What is one key difference between an Amazon EBS-backed and an instance-store backed
instance?

When you put objects in Amazon S3, what is the indication that an object was successfully
stored?

Which of the following items are required to allow an application deployed on an EC2 instance
to write data to a DynamoDB table? Assume that no security keys are allowed to be stored on
the EC2 instance.
(Choose 2 answers)

When an EC2 EBS-backed (EBS root) instance is stopped, what happens to the data on any
ephemeral store volumes?

You have decided to change the instance type for instances running in your application tier
that is using Auto Scaling. In which area below would you change the instance type
definition?

You have a web application running on six Amazon EC2 instances, consuming about 45% of
resources on each instance. You are using auto-scaling to make sure that six instances are
running at all times. The number of requests this application processes is consistent and does
not experience spikes. The application is critical to your business and you want high
availability at all times. You want the load to be distributed evenly between all instances. You
also want to use the same Amazon Machine Image (AMI) for all instances. Which of the
following architectural choices should you make?