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The SAA-C03 certification exam covers a wide range of topics, including AWS architecture, deployment, security, and troubleshooting. Candidates are required to have a strong understanding of AWS services, including EC2, S3, RDS, and VPC. They should also be familiar with AWS best practices and have hands-on experience with AWS services.
Amazon SAA-C03 certification exam consists of 65 multiple-choice questions that need to be answered within 130 minutes. SAA-C03 Exam covers a wide range of topics, including AWS core services, security, database services, networking, and deployment and management. SAA-C03 exam is available in multiple languages, including English, Japanese, Korean, and Simplified Chinese.
Windows computers support the desktop practice test software. TestsDumps has a complete support team to fix issues of Amazon SAA-C03 practice test software users. TestsDumps practice tests (desktop and web-based) produce score report at the end of each attempt. So, that users get awareness of their AWS Certified Solutions Architect - Associate (SAA-C03) preparation status and remove their mistakes.
Amazon SAA-C03 certification exam consists of 65 multiple-choice and multiple-response questions that must be completed in 130 minutes. SAA-C03 exam is available in multiple languages, and candidates can take it at any Pearson VUE testing center globally. SAA-C03 Exam is computer-based, and candidates are required to have a good understanding of AWS services, architecture, and best practices to pass the exam.
NEW QUESTION # 451
A company uses high concurrency AWS Lambda functions to process a constantly increasing number of messages in a message queue during marketing events. The Lambda functions use CPU intensive code to process the messages. The company wants to reduce the compute costs and to maintain service latency for its customers.
Which solution will meet these requirements?
Answer: A
Explanation:
The company wants to reduce the compute costs and maintain service latency for its Lambda functions that process a constantly increasing number of messages in a message queue. The Lambda functions use CPU intensive code to process the messages. To meet these requirements, a solutions architect should recommend the following solution:
Configure provisioned concurrency for the Lambda functions. Provisioned concurrency is the number of pre- initialized execution environments that are allocated to the Lambda functions. These execution environments are prepared to respond immediately to incoming function requests, reducing the cold start latency.
Configuring provisioned concurrency also helps to avoid throttling errors due to reaching the concurrency limit of the Lambda service.
Increase the memory according to AWS Compute Optimizer recommendations. AWS Compute Optimizer is a service that provides recommendations for optimal AWS resource configurations based on your utilization data. By increasing the memory allocated to the Lambda functions, you can also increase the CPU power and improve the performance of your CPU intensive code.AWS Compute Optimizer can help you find the optimal memory size for your Lambda functions based on your workload characteristics and performance goals.
This solution will reduce the compute costs by avoiding unnecessary over-provisioning of memory and CPU resources, and maintain service latency by using provisioned concurrency and optimal memory size for the Lambda functions.
References:
Provisioned Concurrency
AWS Compute Optimizer
NEW QUESTION # 452
A company runs its workloads on Amazon Elastic Container Service (Amazon ECS). The container images that the ECS task definition uses need to be scanned for Common Vulnerabilities and Exposures (CVEs).
New container images that are created also need to be scanned.
Which solution will meet these requirements with the FEWEST changes to the workloads?
Answer: D
NEW QUESTION # 453
A company ' s HTTP application is behind a Network Load Balancer (NLB). The NLB ' s target group is configured to use an Amazon EC2 Auto Scaling group with multiple EC2 instances that run the web service.
The company notices that the NLB is not detecting HTTP errors for the application. These errors require a manual restart of the EC2 instances that run the web service. The company needs to improve the application ' s availability without writing custom scripts or code.
What should a solutions architect do to meet these requirements?
Answer: A
Explanation:
A Network Load Balancer operates at Layer 4 (TCP/UDP/TLS) and is optimized for high performance and static IP use cases. While NLB target groups can perform health checks, they are typically oriented around basic reachability and do not provide the same application-layer (Layer 7) visibility as an Application Load Balancer (ALB). The problem statement says the NLB is "not detecting HTTP errors," which indicates the health signal needs to be based on an HTTP endpoint that can reflect application correctness (for example, returning specific HTTP status codes).
Replacing the NLB with an ALB enables true HTTP/HTTPS health checks against a URL path, including interpretation of HTTP response codes. This is the cleanest managed approach to detect application-layer failure modes that still allow TCP connections but produce bad HTTP responses. Once the ALB detects targets as unhealthy, the target group health status can be used by an Auto Scaling group to take action. With appropriate health check configuration (and, commonly, using ELB health checks as a signal), Auto Scaling can replace unhealthy instances automatically, improving availability without custom scripts.
Option A is misleading: NLB does not provide the same HTTP-aware request routing and rich L7 features; even if an NLB health check is configured, it does not address the broader need for application-layer detection and remediation as directly as ALB. Option B violates the "no custom scripts" requirement. Option D reacts to UnhealthyHostCount, but if the NLB isn't marking hosts unhealthy for HTTP error cases, the metric won't reliably trigger replacement; it also still depends on the NLB's limited visibility into HTTP failures.
Therefore, C best meets the requirement by shifting to ALB for application-layer health checks and using Auto Scaling to replace unhealthy instances automatically.
NEW QUESTION # 454
A company is planning to launch a High Performance Computing (HPC) cluster in AWS that does Computational Fluid Dynamics (CFD) simulations. The solution should scale-out their simulation jobs to experiment with more tunable parameters for faster and more accurate results. The cluster is composed of Windows servers hosted on t3a.medium EC2 instances. As the Solutions Architect, you should ensure that the architecture provides higher bandwidth, higher packet per second (PPS) performance, and consistently lower inter-instance latencies.
Which is the MOST suitable and cost-effective solution that the Architect should implement to achieve the above requirements?
Answer: A
Explanation:
Enhanced networking uses single root I/O virtualization (SR-IOV) to provide high-performance networking capabilities on supported instance types. SR-IOV is a method of device virtualization that provides higher I/O performance and lower CPU utilization when compared to traditional virtualized network interfaces. Enhanced networking provides higher bandwidth, higher packet per second (PPS) performance, and consistently lower inter-instance latencies. There is no additional charge for using enhanced networking.
Amazon EC2 provides enhanced networking capabilities through the Elastic Network Adapter (ENA). It supports network speeds of up to 100 Gbps for supported instance types. Elastic Network Adapters (ENAs) provide traditional IP networking features that are required to support VPC networking.
An Elastic Fabric Adapter (EFA) is simply an Elastic Network Adapter (ENA) with added capabilities. It provides all of the functionality of an ENA, with additional OS-bypass functionality. OS-bypass is an access model that allows HPC and machine learning applications to communicate directly with the network interface hardware to provide low-latency, reliable transport functionality.
The OS-bypass capabilities of EFAs are not supported on Windows instances. If you attach an EFA to a Windows instance, the instance functions as an Elastic Network Adapter, without the added EFA capabilities.
Hence, the correct answer is to enable Enhanced Networking with Elastic Network Adapter (ENA) on the Windows EC2 Instances.
Enabling Enhanced Networking with Elastic Fabric Adapter (EFA) on the Windows EC2 Instances is incorrect because the OS-bypass capabilities of the Elastic Fabric Adapter (EFA) are not supported on Windows instances. Although you can attach EFA to your Windows instances, this will just act as a regular Elastic Network Adapter, without the added EFA capabilities. Moreover, it doesn't support the t3a.medium instance type that is being used in the HPC cluster.
Enabling Enhanced Networking with Intel 82599 Virtual Function (VF) interface on the Windows EC2 Instances is incorrect because although you can attach an Intel 82599 Virtual Function (VF) interface on your Windows EC2 Instances to improve its networking capabilities, it doesn't support the t3a.medium instance type that is being used in the HPC cluster.
Using AWS ParallelCluster to deploy and manage the HPC cluster to provide higher bandwidth, higher packet per second (PPS) performance, and lower inter-instance latencies is incorrect because an AWS ParallelCluster is just an AWS-supported open-source cluster management tool that makes it easy for you to deploy and manage High Performance Computing (HPC) clusters on AWS. It does not provide higher bandwidth, higher packet per second (PPS) performance, and lower inter-instance latencies, unlike ENA or EFA.
References:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/efa.html
NEW QUESTION # 455
A solutions architect needs to ensure that API calls to Amazon DynamoDB from Amazon EC2 instances in a VPC do not travel across the internet.
Which combination of steps should the solutions architect take to meet this requirement? (Choose two.)
Answer: C,E
Explanation:
B and E are the correct answers because they allow the solutions architect to ensure that API calls to Amazon DynamoDB from Amazon EC2 instances in a VPC do not travel across the internet. By creating a gateway endpoint for DynamoDB, the solutions architect can enable private connectivity between the VPC and DynamoDB. By creating a security group entry in the endpoint's security group to provide access, the solutions architect can control which EC2 instances can communicate with DynamoDB through the endpoint.
References:
Gateway Endpoints
Controlling Access to Services with VPC Endpoints
NEW QUESTION # 456
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