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| Section | Weight | Objectives |
|---|---|---|
| Design Cost-Optimized Architectures | 20% | - Identify cost-effective storage solutions
|
| Design Secure Architectures | 30% | - Design secure access to AWS resources
|
| Design High-Performing Architectures | 24% | - Design high-performance storage solutions
|
| Design Resilient Architectures | 26% | - Design highly available and fault-tolerant architectures
|
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NEW QUESTION # 559
A company is preparing to store confidential data in Amazon S3. For compliance reasons, the data must be encrypted at rest. Encryption key usage must be logged for auditing purposes. Keys must be rotated every year.
Which solution meets these requirements and is the MOST operationally efficient?
Answer: A
Explanation:
SSE-KMS: Server-side encryption with AWS Key Management Service (SSE-KMS) provides robust encryption of data at rest, integrated with AWS KMS for key management and auditing.
Automatic Key Rotation: By enabling automatic rotation for the KMS keys, the system ensures that keys are rotated annually without manual intervention, meeting compliance requirements.
Logging and Auditing: AWS KMS automatically logs all key usage and management actions in AWS CloudTrail, providing the necessary audit logs.
Implementation:
Create a KMS key with automatic rotation enabled.
Configure the S3 bucket to use SSE-KMS with the created KMS key.
Ensure CloudTrail is enabled for logging KMS key usage.
Operational Efficiency: This solution provides encryption, automatic key management, and auditing in a seamless, fully managed way, reducing operational overhead.
Reference:
AWS KMS Automatic Key Rotation
Amazon S3 Server-Side Encryption
NEW QUESTION # 560
A group requires permissions to list an Amazon S3 bucket and delete objects from that bucket An administrator has created the following IAM policy to provide access to the bucket and applied that policy to the group. The group is not able to delete objects in the bucket. The company follows least-privilege access rules.
A)
B)
C)
Answer: A
Explanation:
{
"Version": "2012-10-17",
"Statement": [
{
"Action": [
"s3:ListBucket",
"s3:DeleteObject"
],
"Resource": [
"arn:aws:s3:::<bucket-name>"
],
"Effect": "Allow",
},
{
"Action": "s3:*DeleteObject",
"Resource": [
"arn:aws:s3:::<bucket-name>/*" # <- The policy clause kludge "added" to match the solution (Q248.1) example
],
"Effect": "Allow"
}
]
}
NEW QUESTION # 561
A company is planning to deploy its application on an Amazon Aurora PostgreSQL Serverless v2 cluster. The application will receive large amounts of traffic. The company wants to optimize the storage performance of the cluster as the load on the application increases Which solution will meet these requirements MOST cost-effectively?
Answer: C
Explanation:
* Aurora I/O-Optimized: This storage configuration is designed to provide consistent high performance for Aurora databases. It automatically scales IOPS as the workload increases, without needing to provision IOPS separately.
* Cost-Effectiveness: With Aurora I/O-Optimized, you only pay for the storage and I/O you use, making it a cost-effective solution for applications with varying and unpredictable I/O demands.
* Implementation:
* During the creation of the Aurora PostgreSQL Serverless v2 cluster, select the I/O-Optimized storage configuration.
* The storage system will automatically handle scaling and performance optimization based on the application load.
* Operational Efficiency: This configuration reduces the need for manual tuning and ensures optimal performance without additional administrative overhead.
References:
* Amazon Aurora I/O-Optimized
NEW QUESTION # 562
A company wants to migrate its on-premises data center to AWS. According to the company's compliance requirements, the company can use only the ap-northeast-3 Region. Company administrators are not permitted to connect VPCs to the internet.
Which solutions will meet these requirements? (Choose two.)
Answer: B,D
Explanation:
https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_policies_scps_examples_vpc.html#example_vpc_2
NEW QUESTION # 563
A law firm needs to share information with the public The information includes hundreds of files that must be publicly readable Modifications or deletions of the files by anyone before a designated future date are prohibited.
Which solution will meet these requirements in the MOST secure way?
Answer: B
Explanation:
Amazon S3 is a service that provides object storage in the cloud. It can be used to store and serve static web content, such as HTML, CSS, JavaScript, images, and videos1. By creating a new Amazon S3 bucket and configuring it for static website hosting, the solution can share information with the public.
Amazon S3 Versioning is a feature that keeps multiple versions of an object in the same bucket. It helps protect objects from accidental deletion or overwriting by preserving, retrieving, and restoring every version of every object stored in an S3 bucket2. By enabling S3 Versioning on the new bucket, the solution can prevent modifications or deletions of the files by anyone.
Amazon S3 Object Lock is a feature that allows users to store objects using a write-once-read-many (WORM) model. It can help prevent objects from being deleted or overwritten for a fixed amount of time or indefinitely. It requires S3 Versioning to be enabled on the bucket3. By using S3 Object Lock with a retention period in accordance with the designated date, the solution can prohibit modifications or deletions of the files by anyone before that date.
Amazon S3 bucket policies are JSON documents that define access permissions for a bucket and its objects.
They can be used to grant or deny access to specific users or groups based on conditions such as IP address, time of day, or source bucket. By setting an S3 bucket policy to allow read-only access to the objects, the solution can ensure that the files are publicly readable.
A: Upload all files to an Amazon S3 bucket that is configured for static website hosting. Grant read-only 1AM permissions to any AWS principals that access the S3 bucket until the designated date. This solution will not meet the requirement of prohibiting modifications or deletions of the files by anyone before a designated future date, as IAM permissions only apply to AWS principals, not to public users. It also does not use any feature to prevent accidental or intentional deletion or overwriting of the files.
C: Create a new Amazon S3 bucket with S3 Versioning enabled Configure an event trigger to run an AWS Lambda function in case of object modification or deletion. Configure the Lambda func-tion to replace the objects with the original versions from a private S3 bucket. This solution will not meet the requirement of prohibiting modifications or deletions of the files by anyone before a designated future date, as it only reacts to object modification or deletion events after they occur. It also involves creating and managing an additional resource (Lambda function) and a private S3 bucket.
D: Upload all files to an Amazon S3 bucket that is configured for static website hosting. Select the folder that contains the files. Use S3 Object Lock with a retention period in accordance with the designated date. Grant read-only 1AM permissions to any AWS principals that access the S3 bucket. This solution will not meet the requirement of prohibiting modifications or deletions of the files by anyone before a designated future date, as it does not enable S3 Versioning on the bucket, which is required for using S3 Object Lock. It also does not allow read-only access to public users.
Reference URL: https://docs.aws.amazon.com/AmazonS3/latest/userguide/WebsiteHosting.html
NEW QUESTION # 564
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