A Developer has created a software package to be deployed on multiple EC2 instances using IAM roles.
What actions could be performed to verify IAM access to get records from Amazon Kinesis Streams? (Select TWO.)

• A.Query Amazon EC2 metadata for in-line IAM policies.
• B.Validate the IAM role policy with the IAM policy simulator.
• C.Use the AWS CLI to retrieve the IAM group.
• D.Request a token from AWS STS, and perform a describe action.
• E.Perform a get action using the --dry-run argument.

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A set of APIs are exposed to customers using the Amazon API Gateway. These APIs have caching enabled on the API Gateway. Customers have asked for an option to invalidate this cache for each of the APIs.
What action can be taken to allow API customers to invalidate the API Cache?

• A.Ask customers to use AWS credentials to call the InvalidateCache API.
• B.Ask customers to invoke an AWS API endpoint which invalidates the cache.
• C.Ask customers to pass an HTTP header called Cache-Control:max-age=0.
• D.Ask customers to add a query string parameter called "INVALIDATE_CACHE" when making an API call.

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An application stores payroll information nightly in DynamoDB for a large number of employees across hundreds of offices. Item attributes consist of individual name, office identifier, and cumulative daily hours. Managers run reports for ranges of names working in their office. One query is. "Return all Items in this office for names starting with A through E".
Which table configuration will result in the lowest impact on provisioned throughput for this query?

• A.Configure the table to have a hash index on the name attribute, and a range index on the office identifier
• B.Configure a hash index on the office Identifier attribute and no range index
• C.Configure a hash index on the name attribute and no range index
• D.Configure the table to have a range index on the name attribute, and a hash index on the office identifier

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A developer deployed an application to an Amazon EC2 instance. The application needs to know the public IPv4 address of the instance. How can the application find this information?

• A.Query the instance metadata from http://169.254.169.254/latest/meta-data/.
• B.Query the instance user data from http://169 254.169.254/latest/user-data/.
• C.Check the hosts file of the operating system.
• D.Query the Amazon Machine Image (AMI) information from http://169 254.169.254/latesl/meta-data/ami/.

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A company has an AWS Lambda function that runs hourly, reads log files that are stored in Amazon S3, and forwards alerts to Amazon Simple Notification Service (Amazon SNS) topics based on content A developer wants to add a custom metric to the Lambda function to track the number of alerts of each type for each run The developer needs to log this information in Amazon CloudWatch in a metnc that is named Lambda/AlertCounts How should the developer modify the Lambda function to meet this requirement with the LEAST operational overhead1?

• A.Add a call to the PutMetncAlarm API operation Pass an array of alerts in the metrics member with the namespace of "Lambda/AlertCounts"
• B.Add a print statement to standard out for each alert and the number of occurrences
• C.Add a call to the PutDashboard API operation Pass an array of alerts in the metrics member with the namespace of "Lambda/AlertCounts"
• D.Add a call to the PutMetncData API operation Pass an array for alerts and the number of occurrences in the Values and Counts fields with a namespace of "Lambda/AlertCounts"

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