Your entire AWS infrastructure lives inside of one Amazon VPC You have an Infrastructure monitoring
application running on an Amazon instance in Availability Zone (AZ) A of the region, and another application
instance running in AZ B. The monitoring application needs to make use of ICMP ping to confirm network
reachability of the instance hosting the application.
Can you configure the security groups for these instances to only allow the ICMP ping to pass from the
monitoring instance to the application instance and nothing else” If so how?

You have two Elastic Compute Cloud (EC2) instances inside a Virtual Private Cloud (VPC) in the same
Availability Zone (AZ) but in different subnets. One instance is running a database and the other instance an
application that will interface with the database. You want to confirm that they can talk to each other for your
application to work properly.
Which two things do we need to confirm in the VPC settings so that these EC2 instances can communicate
inside the VPC?
Choose 2 answers

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

You have a web-style application with a stateless but CPU and memory-intensive web tier running on a cc2
8xlarge EC2 instance inside of a VPC The instance when under load is having problems returning requests
within the SLA as defined by your business The application maintains its state in a DynamoDB table, but the
data tier is properly provisioned and responses are consistently fast.
How can you best resolve the issue of the application responses not meeting your SLA?

You are managing a legacy application Inside VPC with hard coded IP addresses in its configuration.
Which two mechanisms will allow the application to failover to new instances without the need for
reconfiguration? Choose 2 answers

You are designing a system that has a Bastion host. This component needs to be highly available without
human intervention.
Which of the following approaches would you select?

Which of the following statements about this S3 bucket policy is true?

Which of the following requires a custom CloudWatch metric to monitor?

You run a web application where web servers on EC2 Instances are In an Auto Scaling group Monitoring over
the last 6 months shows that 6 web servers are necessary to handle the minimum load During the day up to 12
servers are needed Five to six days per year, the number of web servers required might go up to 15.
What would you recommend to minimize costs while being able to provide hill availability?

You have been asked to propose a multi-region deployment of a web-facing application where a controlled
portion of your traffic is being processed by an alternate region.
Which configuration would achieve that goal?