A company is building a two-tier web application to serve dynamic transaction-based content. The data tier is
leveraging an Online Transactional Processing (OLTP) database. What services should you leverage to enable
an elastic and scalable web tier?

Which services allow the customer to retain full administrative privileges of the underlying EC2 instances?
Choose 2 answers

You have a video transcoding application running on Amazon EC2. Each instance polls a queue to find out
which video should be transcoded, and then runs a transcoding process. If this process is interrupted, the video
will be transcoded by another instance based on the queuing system. You have a large backlog of videos which
need to be transcoded and would like to reduce this backlog by adding more instances. You will need these
instances only until the backlog is reduced. Which type of Amazon EC2 instances should you use to reduce the
backlog in the most cost efficient way?

When using the following AWS services, which should be implemented in multiple Availability Zones for high
availability solutions? Choose 2 answers.

You have multiple Amazon EC2 instances running in a cluster across multiple Availability Zones within the
same region. What combination of the following should be used to ensure the highest network performance
(packets per second), lowest latency, and lowest jitter? Choose 3 answers.

You are building a solution for a customer to extend their on-premises data center to AWS. The customer
requires a 50- Mbps dedicated and private connection to their VPC. Which AWS product or feature satisfies
this requirement?

After launching an instance that you intend to serve as a NAT (Network Address Translation) device in a public
subnet you modify your route tables to have the NAT device be the target of internet bound traffic of your
private subnet. When you try and make an outbound connection to the internet from an instance in the private
subnet, you are not successful.
Which of the following steps could resolve the issue?

You are using an m1.small EC2 Instance with one 300 GB EBS volume to host a relational database. You
determined that write throughput to the database needs to be increased. Which of the following approaches
can help achieve this? Choose 2 answers.

Which of the following features ensures even distribution of traffic to Amazon EC2 instances in multiple
Availability Zones registered with a load balancer?

If you’re unable to connect via SSH to your EC2 instance, which of the following should you check and possibly
correct to restore connectivity?