When you put objects in Amazon S3, what is the indication that an object was successfully stored?
In AWS, which security aspects are the customer’s responsibility? (Choose 4)
Which of the following are characteristics of Amazon VPC subnets? (Choose 2)
Your application provides data transformation services. Files containing data to be transformed are first
uploaded to Amazon S3 and then transformed by a fleet of spot EC2 instances. Files submitted by your
premium customers must be transformed with the highest priority.
How should you implement such a system?
After launching an instance that you intend to serve as a NAT (Network Address Translation) device in a public
subnet you modify your route tables to have the NAT device be the target of internet bound traffic of your
private subnet. When you try and make an outbound connection to the internet from an instance in the private
subnet, you are not successful.
Which of the following steps could resolve the issue?
How can an EBS volume that is currently attached to an EC2 instance be migrated from one Availability Zone to
Select the correct set of options. These are the initial settings for the default security group:
A web-startup runs its very successful social news application on Amazon EC2 with an Elastic Load Balancer,
an Auto-Scaling group of Java/Tomcat application-servers, and DynamoDB as data store. The main webapplication best runs on m2 x large instances since it is highly memory- bound Each new deployment requires
semi-automated creation and testing of a new AMI for the application servers which takes quite a while ana is
therefore only done once per week.
Recently, a new chat feature has been implemented in nodejs and wails to be integrated in the architecture.
First tests show that the new component is CPU bound Because the company has some experience with using
Chef, they decided to streamline the deployment process and use AWS Ops Works as an application life cycle
tool to simplify management of the application and reduce the deployment cycles.
What configuration in AWS Ops Works is necessary to integrate the new chat module in the most cost-efficient
and flexible way?
You deployed your company website using Elastic Beanstalk and you enabled log file rotation to S3. An Elastic
Map Reduce job is periodically analyzing the logs on S3 to build a usage dashboard that you share with your
You recently improved overall performance of the website using Cloud Front for dynamic content delivery and
your website as the origin.
After this architectural change, the usage dashboard shows that the traffic on your website dropped by an order
How do you fix your usage dashboard’?
You are developing a new mobile application and are considering storing user preferences in AWS.2w This
would provide a more uniform cross-device experience to users using multiple mobile devices to access the
application. The preference data for each user is estimated to be 50KB in size Additionally 5 million customers
are expected to use the application on a regular basis.
The solution needs to be cost-effective, highly available, scalable and secure, how would you design a solution
to meet the above requirements?