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The SAA-C03 exam consists of multiple-choice and multiple-response questions and is available in English, Japanese, Korean, and Simplified Chinese. SAA-C03 exam duration is 130 minutes, and the passing score is 720 out of 1000. SAA-C03 exam fee is $150, and candidates can take the exam online or at a testing center. SAA-C03 Exam focuses on various AWS services, including EC2, S3, RDS, VPC, Route 53, and others, and tests a candidate's understanding of AWS architecture and basic principles of security, compliance, and reliability.
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NEW QUESTION # 877
A company hosts multiple production applications. One of the applications consists of resources from Amazon EC2, AWS Lambda, Amazon RDS, Amazon Simple Notification Service (Amazon SNS), and Amazon Simple Queue Service (Amazon SQS) across multiple AWS Regions. All company resources are tagged with a tag name of "application" and a value that corresponds to each application. A solutions architect must provide the quickest solution for identifying all of the tagged components.
Which solution meets these requirements?
Answer: C
Explanation:
https://docs.aws.amazon.com/tag-editor/latest/userguide/tagging.html
NEW QUESTION # 878
A company hosts its multi-tier applications on AWS. For compliance, governance, auditing, and security, the company must track configuration changes on its AWS resources and record a history of API calls made to these resources.
What should a solutions architect do to meet these requirements?
Answer: D
Explanation:
AWS Config is a fully managed service that allows the company to assess, audit, and evaluate the configurations of its AWS resources. It provides a detailed inventory of the resources in use and tracks changes to resource configurations. AWS Config can detect configuration changes and alert the company when changes occur. It also provides a historical view of changes, which is essential for compliance and governance purposes. AWS CloudTrail is a fully managed service that provides a detailed history of API calls made to the company's AWS resources. It records all API activity in the AWS account, including who made the API call, when the call was made, and what resources were affected by the call. This information is critical for security and auditing purposes, as it allows the company to investigate any suspicious activity that might occur on its AWS resources.
NEW QUESTION # 879
A company plans to host a movie streaming app in AWS. The chief information officer (CIO) wants to ensure that the application is highly available and scalable. The application is deployed to an Auto Scaling group of EC2 instances on multiple AZs. A load balancer must be configured to distribute incoming requests evenly to all EC2 instances across multiple Availability Zones.
Which of the following features should the Solutions Architect use to satisfy these criteria?
Answer: A
Explanation:
The nodes for your load balancer distribute requests from clients to registered targets. When cross-zone load balancing is enabled, each load balancer node distributes traffic across the registered targets in all enabled Availability Zones. When cross-zone load balancing is disabled, each load balancer node distributes traffic only across the registered targets in its Availability Zone.
The following diagrams demonstrate the effect of cross-zone load balancing. There are two enabled Availability Zones, with two targets in Availability Zone A and eight targets in Availability Zone
B: Clients send requests, and Amazon Route 53 responds to each request with the IP address of one of the load balancer nodes. This distributes traffic such that each load balancer node receives 50% of the traffic from the clients. Each load balancer node distributes its share of the traffic across the registered targets in its scope.
If cross-zone load balancing is enabled, each of the 10 targets receives 10% of the traffic. This is because each load balancer node can route 50% of the client traffic to all 10 targets.
If cross-zone load balancing is disabled:
Each of the two targets in Availability Zone A receives 25% of the traffic.
Each of the eight targets in Availability Zone B receives 6.25% of the traffic.
This is because each load balancer node can route 50% of the client traffic only to targets in its Availability Zone.
With Application Load Balancers, cross-zone load balancing is always enabled.
With Network Load Balancers and Gateway Load Balancers, cross-zone load balancing is disabled by default. After you create the load balancer, you can enable or disable cross-zone load balancing at any time.
When you create a Classic Load Balancer, the default for cross-zone load balancing depends on how you create the load balancer. With the API or CLI, cross-zone load balancing is disabled by default. With the AWS Management Console, the option to enable cross-zone load balancing is selected by default.
After you create a Classic Load Balancer, you can enable or disable cross-zone load balancing at any time Hence, the right answer is to enable cross-zone load balancing.
Amazon VPC IP Address Manager (IPAM) is incorrect because this is merely a feature in Amazon VPC that provides network administrators with an automated IP management workflow. It does not enable your load balancers to distribute incoming requests evenly to all EC2 instances across multiple Availability Zones.
Path-based Routing is incorrect because this feature is based on the paths that are in the URL of the request. It automatically routes traffic to a particular target group based on the request URL. This feature will not set each of the load balancer nodes to distribute traffic across the registered targets in all enabled Availability Zones.
AWS Direct Connect SiteLink is incorrect because this is a feature of AWS Direct Connect connection and not of Amazon Elastic Load Balancing. The AWS Direct Connect SiteLink feature simply lets you create connections between your on-premises networks through the AWS global network backbone.
References:
https://docs.aws.amazon.com/elasticloadbalancing/latest/userguide/how-elastic-load-balancing-works.html
https://aws.amazon.com/elasticloadbalancing/features
https://aws.amazon.com/blogs/aws/network-address-management-and-auditing-at-scale-with-amazon-vpc-ip-address-manager/
AWS Elastic Load Balancing Overview:
https://youtu.be/UBl5dw59DO8
Check out this AWS Elastic Load Balancing (ELB) Cheat Sheet:
https://tutorialsdojo.com/aws-elastic-load-balancing-elb/
NEW QUESTION # 880
[Design Secure Architectures]
A company plans to use Amazon ElastiCache for its multi-tier web application A solutions architect creates a Cache VPC for the ElastiCache cluster and an App VPC for the application's Amazon EC2 instances Both VPCs are in the us-east-1 Region The solutions architect must implement a solution to provide tne application's EC2 instances with access to the ElastiCache cluster Which solution will meet these requirements MOST cost-effectively?
Answer: C
Explanation:
Creating a peering connection between the two VPCs and configuring an inbound rule for the ElastiCache cluster's security group to allow inbound connection from the application's security group is the most cost-effective solution. Peering connections are free and you only incur the cost of configuring the security group rules. The Transit VPC solution requires additional VPCs and associated resources, which would incur additional costs.
Before Testing | AWS Certification Information and Policies | AWS
https://aws.amazon.com/certification/policies/before-testing/
NEW QUESTION # 881
A company operates an ecommerce website on Amazon EC2 instances behind an Application Load Balancer (ALB) in an Auto Scaling group. The site is experiencing performance issues related to a high request rate from illegitimate external systems with changing IP addresses. The security team is worried about potential DDoS attacks against the website. The company must block the illegitimate incoming requests in a way that has a minimal impact on legitimate users.
What should a solutions architect recommend?
Answer: A
Explanation:
This answer is correct because it meets the requirements of blocking the illegitimate incoming requests in a way that has a minimal impact on legitimate users. AWS WAF is a web application firewall that helps protect your web applications or APIs against common web exploits that may affect availability, compromise security, or consume excessive resources. AWS WAF gives you control over how traffic reaches your applications by enabling you to create security rules that block common attack patterns, such as SQL injection or cross-site scripting, and rules that filter out specific traffic patterns you define. You can associate AWS WAF with an ALB to protect the web application from malicious requests. You can configure a rate-limiting rule in AWS WAF to track the rate of requests for each originating IP address and block requests from an IP address that exceeds a certain limit within a five-minute period. This way, you can mitigate potential DDoS attacks and improve the performance of your website.
References:
https://docs.aws.amazon.com/waf/latest/developerguide/what-is-aws-waf.html
https://docs.aws.amazon.com/waf/latest/developerguide/waf-rule-statement-type-rate-based.html
NEW QUESTION # 882
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