You are a systems administrator and you need to monitor the health of your production environment. You
decide to do this using Cloud Watch, however you notice that you cannot see the health of every important
metric in the default dash board. Which of the following metrics do you need to design a custom cloud watch
metric for, when monitoring the health of your EC2 instances?

You are a student currently learning about the different AWS services. Your employer asks you to tell him a bit
about Amazon’s glacier service. Which of the following best describes the use cases for Glacier?

You work for a toy company that has a busy online store. As you are approaching christmas you find that your
store is getting more and more traffic. You ensure that the web tier of your store is behind an Auto Scaling
group, however you notice that the web tier is frequently scaling, sometimes multiple times in an hour, only to
scale back after peak usage. You need to prevent this so that Auto Scaling does not scale as rapidly, just to
scale back again. What option would help you to achieve this?

You work in the genomics industry and you process large amounts of genomic data using a nightly Elastic Map
Reduce (EMR) job. This job processes a single 3 Tb file which is stored on S3. The EMR job runs on 3 ondemand core nodes and four on-demand task nodes. The EMR job is now taking longer than anticipated and
you have been asked to advise how to reduced the completion time?

By definition a public subnet within a VPC is one that;

You have been asked to identify a service on AWS that is a durable key value store. Which of the services
below meets this definition?

You are a security architect working for a large antivirus company. The production environment has recently
been moved to AWS and is in a public subnet. You are able to view the production environment over HTTP
however when your customers try to update their virus definition files over a custom port, that port is blocked.
You log in to the console and you allow traffic in over the custom port. How long will this take to take effect?

You are a solutions architect working for a biotech company who is pioneering research in immunotherapy.
They have developed a new cancer treatment that may be able to cure up to 94% of cancers. They store their
research data on S3, however recently an intern accidentally deleted some critical files. You’ve been asked to
prevent this from happening in the future. What options below can prevent this?

You run an automobile reselling company that has a popular online store on AWS. The application sits behind
an Auto Scaling group and requires new instances of the Auto Scaling group to identify their public and private
IP addresses. How can you achieve this?

You are a solutions architect who has been asked to do some consulting for a US company that produces reuseable rocket parts. They have a new web application that needs to be built and this application must be
stateless. Which three services could you use to achieve this?