What is one key difference between an Amazon EBS-backed and an instance-store backed instance?
What is one key difference between an Amazon EBS-backed and an instance-store backed
instance?
How can Company B reduce the number of empty responses?
Company B provides an online image recognition service and utilizes SOS to decouple
system components for scalability The SQS consumers poll the imaging queue as often as
possible to keep end-to-end throughput as high as possible. However, Company B is
realizing that polling in tight loops is burning CPU cycles and increasing costs with empty
responses. How can Company B reduce the number of empty responses?
What item operation allows the retrieval of multiple items from a DynamoDB table in a single API call?
What item operation allows the retrieval of multiple items from a DynamoDB table in a single
API call?
what type of HTTP response codes indicate that a problem was found with the client request sent to the service
In DynamoDB, what type of HTTP response codes indicate that a problem was found with
the client request sent to the service?
how long is the message inaccessible to other users by default?
If a message is retrieved from a queue in Amazon SQS, how long is the message
inaccessible to other users by default?
Which of the following is the best method to quickly and temporarily deny access from the specified IP address
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
block?
what are three best-practices for you to prepare for an audit?
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 need to fix to balance the instances across AZs?
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?
Which option will provide the most scalable solution for communicating between the application and SQS?
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?
How do you remedy this situation?
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?