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?

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?

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

An instance is launched into a VPC subnet with the network ACL configured to allow all inbound traffic and
deny all outbound traffic. The instance’s security group is configured to allow SSH from any IP address and
deny all outbound traffic. What changes need to be made to allow SSH access to the instance?

For which of the following use cases are Simple Workflow Service (SWF) and Amazon EC2 an appropriate
solution? Choose 2 answers

A customer wants to leverage Amazon Simple Storage Service (S3) and Amazon Glacier as part of their backup
and archive infrastructure. The customer plans to use third-party software to support this integration. Which
approach will limit the access of the third party software to only the Amazon S3 bucket named “companybackup”?

A client application requires operating system privileges on a relational database server. What is an
appropriate configuration for a highly available database architecture?

What is a placement group?

A company has a workflow that sends video files from their on-premise system to AWS for transcoding. They
use EC2 worker instances that pull transcoding jobs from SQS. Why is SQS an appropriate service for this
scenario?

When creation of an EBS snapshot is initiated, but not completed, the EBS volume: