When you put objects in Amazon S3, what is the indication that an object was successfully stored? A. A HTTP 200 result code and MD5 checksum, taken together, indicate that the operation was successful. B. Amazon S3 is engineered for 99.999999999% durability. Therefore there is no need to confirm that data was inserted. C. A […]
In AWS, which security aspects are the customer’s responsibility? (Choose 4) A. Security Group and ACL (Access Control List) settings B. Decommissioning storage devices C. Patch management on the EC2 instance’s operating system D. Life-cycle management of IAM credentials E. Controlling physical access to compute resources F. Encryption of EBS (Elastic Block Storage) volumes Explanation:http://media.amazonwebservices.com/AWS_Security_Best_Practices.pdf […]
Which of the following are characteristics of Amazon VPC subnets? (Choose 2) A. Each subnet spans at least 2 Availability Zones to provide a high-availability environment. B. Each subnet maps to a single Availability Zone. C. CIDR block mask of /25 is the smallest range supported. D. By default, all subnets can route between each […]
Your application provides data transformation services. Files containing data to be transformed are firstuploaded to Amazon S3 and then transformed by a fleet of spot EC2 instances. Files submitted by yourpremium customers must be transformed with the highest priority.How should you implement such a system? A. Use a DynamoDB table with an attribute defining the […]
After launching an instance that you intend to serve as a NAT (Network Address Translation) device in a publicsubnet you modify your route tables to have the NAT device be the target of internet bound traffic of yourprivate subnet. When you try and make an outbound connection to the internet from an instance in the […]
How can an EBS volume that is currently attached to an EC2 instance be migrated from one Availability Zone to another?
How can an EBS volume that is currently attached to an EC2 instance be migrated from one Availability Zone toanother? A. Detach the volume and attach it to another EC2 instance in the other AZ. B. Simply create a new volume in the other AZ and specify the original volume as the source. C. Create […]
Select the correct set of options. These are the initial settings for the default security group: A. Allow no inbound traffic, Allow all outbound traffic and Allow instances associated with this security group to talk to each other B. Allow all inbound traffic, Allow no outbound traffic and Allow instances associated with this security group […]
What configuration in AWS Ops Works is necessary to integrate the new chat module in the most cost-efficient and flexible way?
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 requiressemi-automated creation and testing of a new AMI for […]
You deployed your company website using Elastic Beanstalk and you enabled log file rotation to S3. An ElasticMap Reduce job is periodically analyzing the logs on S3 to build a usage dashboard that you share with yourCIO.You recently improved overall performance of the website using Cloud Front for dynamic content delivery andyour website as the […]
You are developing a new mobile application and are considering storing user preferences in AWS.2w Thiswould provide a more uniform cross-device experience to users using multiple mobile devices to access theapplication. The preference data for each user is estimated to be 50KB in size Additionally 5 million customersare expected to use the application on a […]