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| Section | Weight | Objectives |
|---|---|---|
| Design High-Performing Architectures | 24% | - Determine high-performing database solutions
|
| Design Cost-Optimized Architectures | 20% | - Design cost-optimized storage solutions
|
| Design Resilient Architectures | 26% | - Design highly available and/or fault-tolerant architectures
|
| Design Secure Architectures | 30% | - Determine appropriate data security controls
|
The Amazon SAA-C03 exam questions in the web-based practice test are real and accurate. This AWS Certified Solutions Architect - Associate (SAA-C03) practice exam is compatible with Mac, Linux, iOS, Android, and Windows. Likewise, no particular software installation or plugin is required because it is a browser-based AWS Certified Solutions Architect - Associate (SAA-C03) practice exam. Chrome, Internet Explorer, Firefox, Safari, Opera, and all the major browsers support the web-based AWS Certified Solutions Architect - Associate (SAA-C03) practice exam.
NEW QUESTION # 384
A development team runs monthly resource-intensive tests on its general purpose Amazon RDS for MySQL DB instance with Performance Insights enabled. The testing lasts for 48 hours once a month and is the only process that uses the database. The team wants to reduce the cost of running the tests without reducing the compute and memory attributes of the DB instance.
Which solution meets these requirements MOST cost-effectively?
Answer: A
NEW QUESTION # 385
A Solutions Architect is hosting a website in an Amazon S3 bucket named tutorialsdojo. The users load the website using the following URL: http://tutorialsdojo.s3-website-us-east-1.amazonaws.com and there is a new requirement to add a JavaScript on the webpages in order to make authenticated HTTP GET requests against the same bucket by using the Amazon S3 API endpoint (tutorialsdojo.s3.amazonaws.com). Upon testing, you noticed that the web browser blocks JavaScript from allowing those requests.
Which of the following options is the MOST suitable solution that you should implement for this scenario?
Answer: C
Explanation:
Cross-origin resource sharing (CORS) defines a way for client web applications that are loaded in one domain to interact with resources in a different domain. With CORS support, you can build rich client- side web applications with Amazon S3 and selectively allow cross-origin access to your Amazon S3 resources.
Suppose that you are hosting a website in an Amazon S3 bucket named your-website and your users load the website endpoint http://your-website.s3-website-us-east-1.amazonaws.com. Now you want to use JavaScript on the webpages that are stored in this bucket to be able to make authenticated GET and PUT requests against the same bucket by using the Amazon S3 API endpoint for the bucket, your- website.s3.amazonaws.com. A browser would normally block JavaScript from allowing those requests, but with CORS you can configure your bucket to explicitly enable cross-origin requests from your- website.s3-website-us-east-1.amazonaws.com.
In this scenario, you can solve the issue by enabling the CORS in the S3 bucket. Hence, enabling Cross- origin resource sharing (CORS) configuration in the bucket is the correct answer.
Enabling cross-account access is incorrect because cross-account access is a feature in IAM and not in Amazon S3.
Enabling Cross-Zone Load Balancing is incorrect because Cross-Zone Load Balancing is only used in ELB and not in S3.
Enabling Cross-Region Replication (CRR) is incorrect because CRR is a bucket-level configuration that enables automatic, asynchronous copying of objects across buckets in different AWS Regions.
References:
http://docs.aws.amazon.com/AmazonS3/latest/dev/cors.html
https://docs.aws.amazon.com/AmazonS3/latest/dev/ManageCorsUsing.html
NEW QUESTION # 386
A company is building a new web-based customer relationship management application. The application will use several Amazon EC2 instances that are backed by Amazon EBS volumes behind an Application Load Balancer (ALB). The application will also use an Amazon Aurora database. All data for the application must be encrypted at rest and in transit.
Which solution will meet these requirements?
Answer: A
Explanation:
The correct answer isCbecause the requirement separates encryption into two parts:encryption at restandencryption in transit. Fordata at rest, AWS usesAWS Key Management Service (AWS KMS)to manage encryption keys for services such asAmazon EBSandAmazon Aurora. EBS volumes can be created as encrypted volumes by using KMS keys, and Aurora supports encryption at rest through KMS as well. This protects stored application and database data without requiring the company to build its own key management system.
Fordata in transit, the proper AWS service isAWS Certificate Manager (ACM). AnApplication Load Balancercan use an ACM-issued or ACM-imported SSL/TLS certificate to terminate HTTPS connections and encrypt traffic between clients and the load balancer. This is the AWS standard approach for securing web traffic to internet-facing applications.
Option A is incorrect because it reverses the roles of the services.KMS does not provide certificates for TLS termination on an ALB, andACM does not encrypt EBS or Aurora storage at rest. Option B is incorrect because there is no single account-wide console setting that automatically turns on all encryption for all services in this way, and use of the root account is not an AWS best practice for normal configuration tasks.
Option D is incorrect becauseBitLockeris not the appropriate general AWS-native answer for EBS and Aurora encryption, and ALBs do not use KMS keys directly as TLS certificates.
AWS security best practices recommendKMS for encryption at restandACM certificates for encryption in transit. Therefore, optionCis the correct solution.
NEW QUESTION # 387
A company has a small Python application that processes JSON documents and outputs the results to an on-premises SQL database. The application runs thousands of times each day. The company wants to move the application to the AWS Cloud. The company needs a highly available solution that maximizes scalability and minimizes operational overhead.
Which solution will meet these requirements?
Answer: D
Explanation:
By placing the JSON documents in an S3 bucket, the documents will be stored in a highly durable and scalable object storage service. The use of AWS Lambda allows the company to run their Python code to process the documents as they arrive in the S3 bucket without having to worry about the underlying infrastructure. This also allows for horizontal scalability, as AWS Lambda will automatically scale the number of instances of the function based on the incoming rate of requests. The results can be stored in an Amazon Aurora DB cluster, which is a fully-managed, high-performance database service that is compatible with MySQL and PostgreSQL. This will provide the necessary durability and scalability for the results of the processing.
https://aws.amazon.com/rds/aurora/
NEW QUESTION # 388
A company decides to use AWS Key Management Service (AWS KMS) for data encryption operations. The company must create a KMS key and automate the rotation of the key. The company also needs the ability to deactivate the key and schedule the key for deletion.
Which solution will meet these requirements?
Answer: B
Explanation:
This question is identical to the previous one and the same logic applies. The company needs a KMS key that supports automatic rotation and standard lifecycle controls to disable the key and schedule deletion. These capabilities are provided for customer managed keys in AWS KMS. Automatic rotation is supported for symmetric customer managed KMS keys, which are the typical choice for encrypt/decrypt operations and for integrating with most AWS services that use KMS for data protection.
With automatic rotation enabled, AWS KMS periodically rotates the key material. This reduces operational overhead because the organization does not need to create replacement keys or reconfigure applications on a fixed schedule to satisfy key rotation policies. At the same time, because it is a customer managed key, administrators can disable the key to immediately stop it from being used (for example, during an incident response or compliance action), and they can schedule deletion when the key is no longer needed, following the required waiting period.
Option A does not fit because asymmetric key rotation is not typically supported in the same automatic fashion and asymmetric keys are meant for different cryptographic workflows. Options B and D are invalidly framed: "disabling envelope encryption" is not a practical KMS configuration switch, and envelope encryption is a best-practice pattern rather than an optional feature you toggle off.
Thus, the solution that meets all requirements is C: a symmetric customer managed KMS key with automatic rotation enabled.
NEW QUESTION # 389
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