How many types of block devices does Amazon EC2 support?
Correct Answer:C
Amazon EC2 supports 2 types of block devices. Reference:
http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/block-device-mapping-concepts.html
If a message is retrieved from a queue in Amazon SQS, how long is the message inaccessible to other users by default?
Correct Answer:E
In AWS Elastic Beanstalk, you can update your deployed application even while it is part of a running environment. For a Java application, you can also use to update your deployed application.
Correct Answer:A
In AWS Elastic Beanstalk, you can update your deployed application, even while it is part of a running environment. For a Java application, you can also use the AWS Toolkit for Eclipse to update your deployed application.
Reference: http://docs.aws.amazon.com/elasticbeanstaIk/latest/dg/GettingStarted.WaIkthrough.htmI
Doug has created a VPC with CIDR 10.201.0.0/16 in his AWS account. In this VPC he has created a public subnet with CIDR block 10.201.31.0/24. While launching a new EC2 from the console, he is not able to assign the private IP address 10.201.31.6 to this instance. Which is the most likely reason for this issue?
Correct Answer:C
In Amazon VPC, you can assign any Private IP address to your instance as long as it is: Part of the associated subnet's IP address range
Not reserved by Amazon for IP networking purposes Not currently assigned to another interface Reference: http://aws.amazon.com/vpc/faqs/
A user is trying to understand AWS SNS. To which of the below mentioned end points is SNS unable to send a notification?
Correct Answer:A
Amazon Simple Notification Service (Amazon SNS) is a fast, filexible, and fully managed push messaging service. Amazon SNS can deliver notifications by SMS text message or email to the Amazon Simple Queue Service (SQS) queues or to any HTTP endpoint. The user can select one the following
transports as part of the subscription requests: "HTTP", "HTTPS","Emai|", "EmaiI-JSON", "SQS", "and SMS".
Reference: http://aws.amazon.com/sns/faqs/