How can a user list the IAM Role configured as a part of the launch config?

A user is thinking to use EBS PIOPS volume. Which of the below mentioned options is a right use
case for the PIOPS EBS volume?

How does in-memory caching improve the performance of applications in ElastiCache?

An organization is making software for the CIA in USA. CIA agreed to host the application on
AWS but in a secure environment. The organization is thinking of hosting the application on the
AWS GovCloud region. Which of the below mentioned difference is not correct when the
organization is hosting on the AWS GovCloud in comparison with the AWS standard region?

An organization has created multiple components of a single application for
compartmentalization. Currently all the components are hosted on a single EC2 instance. Due to
security reasons the organization wants to implement two separate SSLs for the separate
modules although it is already using VPC. How can the organization achieve this with a single
instance?

An EC2 instance that performs source/destination checks by default is launched in a private VPC
subnet. All security, NACL, and routing definitions are configured as expected. A custom NAT
instance is launched.
Which of the following must be done for the custom NAT instance to work?

An organization is setting up a highly scalable application using Elastic Beanstalk.
They are using Elastic Load Balancing (ELB) as well as a Virtual Private Cloud (VPC) with public
and private subnets. They have the following requirements:
– All the EC2 instances should have a private IP
– All the EC2 instances should receive data via the ELB’s.
Which of these will not be needed in this setup?

True or False : “In the context of Amazon ElastiCache, from the application’s point of view,
connecting to the cluster configuration endpoint is no different than connecting directly to an
individual cache node.”

In Amazon SNS, to send push notifications to mobile devices using Amazon SNS and ADM, you
need to obtain the following, except:

With Amazon Elastic MapReduce (Amazon EMR) you can analyze and process vast amounts of
data. The cluster is managed using an open-source framework called Hadoop. You have set up
an application to run Hadoop jobs. The application reads data from DynamoDB and generates a
temporary file of 100 TBs.
The whole process runs for 30 minutes and the output of the job is stored to S3. Which of the
below mentioned options is the most cost effective solution in this case?