Which of the following are characteristics of Amazon VPC subnets?
Choose 2 answers

You are creating an Auto Scaling group whose Instances need to insert a custom metric into
CloudWatch.
Which method would be the best way to authenticate your CloudWatch PUT request?

When an EC2 instance that is backed by an S3-based AMI Is terminated, what happens to the
data on me root volume?

You have a web application leveraging an Elastic Load Balancer (ELB) In front of the web servers
deployed using an Auto Scaling Group Your database is running on Relational Database Service
(RDS) The application serves out technical articles and responses to them in general there are
more views of an article than there are responses to the article. On occasion, an article on the site
becomes extremely popular resulting in significant traffic Increases that causes the site to go
down.
What could you do to help alleviate the pressure on the infrastructure while maintaining availability
during these events?
Choose 3 answers

The majority of your Infrastructure is on premises and you have a small footprint on AWS Your
company has decided to roll out a new application that is heavily dependent on low latency
connectivity to LOAP for authentication Your security policy requires minimal changes to the
company’s existing application user management processes.
What option would you implement to successfully launch this application1?

You need to design a VPC for a web-application consisting of an Elastic Load Balancer (ELB). a
fleet of web/application servers, and an RDS database The entire Infrastructure must be
distributed over 2 availability zones.
Which VPC configuration works while assuring the database is not available from the Internet?

An application that you are managing has EC2 instances & Dynamo OB tables deployed to
several AWS Regions In order to monitor the performance of the application globally, you would
like to see two graphs 1) Avg CPU Utilization across all EC2 instances and 2) Number of Throttled
Requests for all DynamoDB tables.
How can you accomplish this?

When assessing an organization s use of AWS API access credentials which of the following three
credentials should be evaluated?
Choose 3 answers

You have a Linux EC2 web server instance running inside a VPC The instance is In a public
subnet and has an EIP associated with it so you can connect to It over the Internet via HTTP or
SSH The instance was also fully accessible when you last logged in via SSH. and was also
serving web requests on port 80.
Now you are not able to SSH into the host nor does it respond to web requests on port 80 that
were working fine last time you checked You have double-checked that all networking
configuration parameters (security groups route tables. IGW’EIP. NACLs etc) are properly
configured {and you haven’t made any changes to those anyway since you were last able to reach
the Instance). You look at the EC2 console and notice that system status check shows “impaired.”
Which should be your next step in troubleshooting and attempting to get the instance back to a
healthy state so that you can log in again?

What is a placement group?