Within an IAM policy, can you add an IfExists condition at the end of a Null condition?

With respect to AWS Lambda permissions model, at the time you create a Lambda function, you
specify an IAM role that AWS Lambda can assume to execute your Lambda function on your
behalf. This role is also referred to as the _____ role.

Identify an application that polls AWS Data Pipeline for tasks and then performs those tasks.

AWS Direct Connect itself has NO specific resources for you to control access to. Therefore,
there are no AWS Direct Connect Amazon Resource Names (ARNs) for you to use in an Identity
and Access Management (IAM) policy. With that in mind, how is it possible to write a policy to

control access to AWS Direct Connect actions?

Which of the following cannot be done using AWS Data Pipeline?

In Amazon RDS for PostgreSQL, you can provision up to 3TB storage and 30,000 IOPS per
database instance. For a workload with 50% writes and 50% reads running on a cr1.8xlarge
instance, you can realize over 25,000 IOPS for PostgreSQL. However, by provisioning more than
this limit, you may be able to achieve:

Select the correct statement about Amazon ElastiCache.

Attempts, one of the three types of items associated with the schedule pipeline in the AWS Data
Pipeline, provides robust data management.
Which of the following statements is NOT true about Attempts?

When using string conditions within IAM, short versions of the available comparators can be used
instead of the more verbose ones.
streqi is the short version of the _____ string condition.

Which of the following is true while using an IAM role to grant permissions to applications running
on Amazon EC2 instances?