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NEW QUESTION 32

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

Answer: A,C

NEW QUESTION 33

A website's page load times are gradually increasing as more users access the system at the same time.

Analysis indicates that a user profile is being loaded from a database in all the web pages being visited by each user and this is increasing the database load and the page load latency. To address this issue the Developer decides to cache the user profile data.

Which caching strategy will address this situation MOST efficiently?

  • A. Create an Amazon ElastiCache cluster to cache the user profile data. Use a cache-aside caching strategy.
  • B. Use a dedicated Amazon RDS instance for caching profile data. Use a write-through caching strategy.
  • C. Create an ElastiCache cluster to cache the user profile data. Use a write-through caching strategy.
  • D. Create a new Amazon EC2 Instance and run a NoSQL database on it. Cache the profile data within this database using the write-through caching strategy.

Answer: A

Explanation:

Explanation

https://docs.aws.amazon.com/AmazonElastiCache/latest/mem-ug/Strategies.html

NEW QUESTION 34

A Developer is working on an application that handles 10MB documents that contain highly-sensitive data.

The application will use AWS KMS to perform client-side encryption.

What steps must be followed?

  • A. Invoke the GenerateDataKey API to retrieve the encrypted version of the data encryption key to encrypt the data
  • B. Invoke the Encrypt API passing the plaintext data that must be encrypted, then reference the customer managed key ARN in the KeyId parameter
  • C. Invoke the GenerateRandom API to get a data encryption key, then use the data encryption key to encrypt the data
  • D. Invoke the GenerateDataKey API to retrieve the plaintext version of the data encryption key to encrypt the data

Answer: D

Explanation:

Explanation

https://docs.aws.amazon.com/AmazonS3/latest/dev/UsingClientSideEncryption.html GenerateDataKey API: Generates a unique data key. This operation returns a plaintext copy of the data key and a copy that is encrypted under a customer master key (CMK) that you specify. You can use the plaintext key to encrypt your data outside of KMS and store the encrypted data key with the encrypted data.

NEW QUESTION 35

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