You are currently hosting multiple applications in a VPC and have logged numerous port scans coming in from
a specific IP address block. Your security team has requested that all access from the offending IP address
block be denied for the next 24 hours.
Which of the following is the best method to quickly and temporarily deny access from the specified IP address
When preparing for a compliance assessment of your system built inside of AWS. what are three best-practices
for you to prepare for an audit?
Choose 3 answers
You have started a new job and are reviewing your company’s infrastructure on AWS You notice one web
application where they have an Elastic Load Balancer (&B) in front of web instances in an Auto Scaling Group
When you check the metrics for the ELB in CloudWatch you see four healthy instances In Availability Zone (AZ)
A and zero in AZ B There are zero unhealthy instances.
What do you need to fix to balance the instances across AZs?
You have been asked to leverage Amazon VPC BC2 and SOS to implement an application that submits and
receives millions of messages per second to a message queue. You want to ensure your application has
sufficient bandwidth between your EC2 instances and SQS
Which option will provide the most scalable solution for communicating between the application and SQS?
You have identified network throughput as a bottleneck on your m1.small EC2 instance when uploading data
Into Amazon S3 In the same region.
How do you remedy this situation?
When attached to an Amazon VPC which two components provide connectivity with external networks?
Choose 2 answers
Your application currently leverages AWS Auto Scaling to grow and shrink as load Increases/ decreases and has
been performing well Your marketing team expects a steady ramp up in traffic to follow an upcoming
campaign that will result in a 20x growth in traffic over 4 weeks Your forecast for the approximate number of
Amazon EC2 instances necessary to meet the peak demand is 175.
What should you do to avoid potential service disruptions during the ramp up in traffic?
You have an Auto Scaling group associated with an Elastic Load Balancer (ELB). You have noticed that instances
launched via the Auto Scaling group are being marked unhealthy due to an ELB health check, but these
unhealthy instances are not being terminated
What do you need to do to ensure trial instances marked unhealthy by the ELB will be terminated and
Which two AWS services provide out-of-the-box user configurable automatic backup-as-a-service and backup
Choose 2 answers
An organization has configured a VPC with an Internet Gateway (IGW). pairs of public and private subnets
(each with one subnet per Availability Zone), and an Elastic Load Balancer (ELB) configured to use the public
subnets The application s web tier leverages the ELB. Auto Scaling and a mum-AZ RDS database instance The
organization would like to eliminate any potential single points ft failure in this design.
What step should you take to achieve this organization’s objective?