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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshooting and Optimization | 18% | - Assist in a root cause analysis
|
| Topic 2: Deployment | 24% | - Deploy code by using AWS CI/CD services
|
| Topic 3: Development with AWS Services | 32% | - Develop code for AWS serverless applications
|
| Topic 4: Security | 26% | - Implement authentication and/or authorization for applications and AWS services
|
>> DVA-C02 Latest Dumps Questions <<
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NEW QUESTION # 490
A developer is managing an application that uploads user files to an Amazon S3 bucket named companybucket. The company wants to maintain copies of all the files uploaded by users for compliance purposes, while ensuring users still have access to the data through the application.
Which IAM permissions should be applied to users to ensure they can create but not remove files from the bucket?
Answer: C
Explanation:
To meet the requirement:
Users must be able to upload (PutObject) and read (GetObject) files but not delete them.
Option D ensures users cannot delete files by omitting the s3:DeleteObject action while allowing s3:GetObject and s3:PutObject.
Option A: Includes s3:DeleteObject, which allows users to delete files and does not meet the requirement.
Option B: Contains unrelated actions like CreateBucket, which is not relevant here.
Option C: Adds s3:PutObjectRetention, which is unnecessary and does not restrict DeleteObject.
Reference:
AWS S3 Permissions Documentation
Reference:
AWS S3 Permissions Documentation
NEW QUESTION # 491
A developer is building two microservices that communicate by using an Amazon SQS queue. The messages exchanged between the microservices contain sensitive information. The developer must ensure that the messages are encrypted at rest.
Which solution will meet these requirements?
Answer: D
Explanation:
Amazon SQS provides server-side encryption (SSE) to protect messages at rest by using AWS Key Management Service (AWS KMS). When SSE is enabled on an SQS queue, all messages are encrypted automatically before they are stored and decrypted only when they are retrieved by authorized consumers.
AWS documentation states that SSE for SQS transparently encrypts the entire message payload, including the message body and message attributes. This ensures that sensitive data is protected without requiring changes to application code or custom encryption logic.
Option A enforces encryption in transit, not at rest. Option B is invalid because SSE is configured at the queue level, not inside message payloads. Option D does not improve security because message attributes are also stored as part of the message and require SSE to be protected.
Enabling SSE on the queue is the simplest, most secure, and AWS-recommended solution. It ensures compliance with encryption requirements while minimizing operational overhead.
NEW QUESTION # 492
A developer is testing a new file storage application that uses an Amazon CloudFront distribution to serve content from an Amazon S3 bucket. The distribution accesses the S3 bucket by using an origin access identity (OAI). The S3 bucket's permissions explicitly deny access to all other users.
The application prompts users to authenticate on a login page and then uses signed cookies to allow users to access their personal storage directories. The developer has configured the distribution to use its default cache behavior with restricted viewer access and has set the origin to point to the S3 bucket. However, when the developer tries to navigate to the login page, the developer receives a 403 Forbidden error.
The developer needs to implement a solution to allow unauthenticated access to the login page. The solution also must keep all private content secure.
Which solution will meet these requirements?
Answer: C
Explanation:
The solution that will meet the requirements is to add a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to the path of the login page, and make viewer access unrestricted. Keep the default cache behavior's settings unchanged. This way, the login page can be accessed without authentication, while all other content remains secure and requires signed cookies. The other options either do not allow unauthenticated access to the login page, or expose private content to unauthorized users.
NEW QUESTION # 493
A company has a new application. The company needs to secure sensitive configuration data such as database connection strings, application license codes, and API keys that the application uses to access external resources. The company must track access to the configuration data for auditing purposes. The resources are managed outside the application.
The company is not required to manage rotation of the connection strings, license codes, and API keys in the application. The company must implement a solution to securely store the configuration data and to give the application access to the configuration data. The solution must comply with security best practices.
Which solution will meet these requirements MOST cost-effectively?
Answer: A
Explanation:
https://aws.amazon.com/blogs/mt/the-right-way-to-store-secrets-using-parameter-store/
https://docs.aws.amazon.com/managedservices/latest/userguide/sys-man-param-store.html AWS Systems Manager Parameter Store (AMS SSPS):
AWS Systems Manager Parameter Store provides secure, hierarchical storage for configuration data management and secrets management. You can store data such as passwords, database strings, and license codes as parameter values.
NEW QUESTION # 494
A developer is troubleshooting an application mat uses Amazon DynamoDB in the uswest-2 Region. The application is deployed to an Amazon EC2 instance. The application requires read-only permissions to a table that is named Cars The EC2 instance has an attached IAM role that contains the following IAM policy.
When the application tries to read from the Cars table, an Access Denied error occurs.
How can the developer resolve this error?
Answer: C
Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/access-control-overview.html#access- control-resource-ownership
NEW QUESTION # 495
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