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The AWS Certified Solutions Architect - Professional (SAP-C02) certification exam is an advanced-level exam designed for experienced AWS Solutions Architects. AWS Certified Solutions Architect - Professional (SAP-C02) certification validates the candidate's ability to design and deploy scalable, highly available, and fault-tolerant systems on AWS. To be eligible for the exam, candidates must have already earned the AWS Certified Solutions Architect - Associate certification and have a minimum of two years of hands-on experience designing and deploying cloud architecture on AWS. The SAP-C02 Certification Exam covers a broad range of topics, including advanced networking, security, cost optimization, and application design, and candidates should have a solid understanding of these topics to be successful on the exam.
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NEW QUESTION # 793
A company's public API runs as tasks on Amazon Elastic Container Service (Amazon ECS). The tasks run on AWS Fargate behind an Application Load Balancer (ALB) and are configured with Service Auto Scaling for the tasks based on CPU utilization. This service has been running well for several months.
Recently, API performance slowed down and made the application unusable. The company discovered that a significant number of SQL injection attacks had occurred against the API and that the API service had scaled to its maximum amount.
A solutions architect needs to implement a solution that prevents SQL injection attacks from reaching the ECS API service. The solution must allow legitimate traffic through and must maximize operational efficiency.
Which solution meets these requirements?
Answer: C
Explanation:
Explanation
The company should create a new AWS WAF web ACL. The company should add a new rule that blocks requests that match the SQL database rule group. The company should set the web ACL to allow all other traffic that does not match those rules. The company should attach the web ACL to the ALB in front of the ECS tasks. This solution will meet the requirements because AWS WAF is a web application firewall that lets you monitor and control web requests that are forwarded to your web applications. You can use AWS WAF to define customizable web security rules that control which traffic can access your web applications and which traffic should be blocked1. By creating a new AWS WAF web ACL, the company can create a collection of rules that define the conditions for allowing or blocking web requests. By adding a new rule that blocks requests that match the SQL database rule group, the company can prevent SQL injection attacks from reaching the ECS API service. The SQL database rule group is a managed rule group provided by AWS that contains rules to protect against common SQL injection attack patterns2. By setting the web ACL to allow all other traffic that does not match those rules, the company can ensure that legitimate traffic can access the API service. By attaching the web ACL to the ALB in front of the ECS tasks, the company can apply the web security rules to all requests that are forwarded by the load balancer.
The other options are not correct because:
* Creating a new AWS WAF Bot Control implementation would not prevent SQL injection attacks from
* reaching the ECS API service. AWS WAF Bot Control is a feature that gives you visibility and control over common and pervasive bot traffic that can consume excess resources, skew metrics, cause downtime, or perform other undesired activities. However, it does not protect against SQL injection attacks, which are malicious attempts to execute unauthorized SQL statements against your database3.
* Creating a new AWS WAF web ACL to monitor the HTTP requests and HTTPS requests that are forwarded to the ALB in front of the ECS tasks would not prevent SQL injection attacks from reaching the ECS API service. Monitoring mode is a feature that enables you to evaluate how your rules would perform without actually blocking any requests. However, this mode does not provide any protection against attacks, as it only logs and counts requests that match your rules4.
* Creating a new AWS WAF web ACL and creating a new empty IP set in AWS WAF would not prevent SQL injection attacks from reaching the ECS API service. An IP set is a feature that enables you to specify a list of IP addresses or CIDR blocks that you want to allow or block based on their source IP address. However, this approach would not be effective or efficient against SQL injection attacks, as it would require constantly updating the IP set with new IP addresses of attackers, and it would not block attackers who use proxies or VPNs.
References:
* https://aws.amazon.com/waf/
* https://docs.aws.amazon.com/waf/latest/developerguide/aws-managed-rule-groups-list.html#sql-injection-
* https://docs.aws.amazon.com/waf/latest/developerguide/waf-bot-control.html
* https://docs.aws.amazon.com/waf/latest/developerguide/web-acl-monitoring-mode.html
* https://docs.aws.amazon.com/waf/latest/developerguide/waf-ip-sets.html
NEW QUESTION # 794
A public retail web application uses an Application Load Balancer (ALB) in front of Amazon EC2 instances running across multiple Availability Zones (AZs) in a Region backed by an Amazon RDS MySQL Multi-AZ deployment. Target group health checks are configured to use HTTP and pointed at the product catalogue page. Auto Scaling is configured to maintain the web fleet size based on the ALB health check.
Recently, the application experienced an outage. Auto Scaling continuously replaced the instances during the outage. A subsequent investigation determined that the web server metrics were within the normal range, but the database tier was experiencing high load, resulting in severely elevated query response times.
Which of the following changes together would remediate these issues while improving monitoring capabilities for the availability and functionality of the entire application stack for future growth? (Select TWO.)
Answer: B,C
Explanation:
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/health-checks-types.html
NEW QUESTION # 795
A finance company hosts a data lake in Amazon S3. The company receives financial data records over SFTP each night from several third parties. The company runs its own SFTP server on an Amazon EC2 instance in a public subnet of a VPC. After the files ate uploaded, they are moved to the data lake by a cron job that runs on the same instance. The SFTP server is reachable on DNS sftp.examWe.com through the use of Amazon Route
53.
What should a solutions architect do to improve the reliability and scalability of the SFTP solution?
Answer: D
Explanation:
https://aws.amazon.com/aws-transfer-family/faqs/
https://docs.aws.amazon.com/transfer/latest/userguide/what-is-aws-transfer-family.html
https://aws.amazon.com/about-aws/whats-new/2018/11/aws-transfer-for-sftp-fully-managed-sftp-for-s3/?nc1=h_
NEW QUESTION # 796
A company uses AWS Organizations and tags every resource with a BusinessUnit tag. They want toallocate cloud costsby business unit andvisualizethem.
Options:
Answer: A
Explanation:
Ais the correct best-practice approach:
Activate cost allocation tags inmanagement/payer account.
Enable AWS Cost and Usage Report (CUR) to dump usage to S3.
Query CUR withAmazon Athena, and visualize withAmazon QuickSight.
Other options either duplicate CURs (C, D) or misuse tools (B: CloudWatch is not a cost analysis tool).
NEW QUESTION # 797
A company is running a serverless application that consists of several AWS Lambda functions and Amazon DynamoDB tables. The company has created new functionality that requires the Lambda functions to access an Amazon Neptune DB cluster. The Neptune DB cluster is located in three subnets in a VPC.
Which of the possible solutions will allow the Lambda functions to access the Neptune DB cluster and DynamoDB tables? (Select TWO)
Answer: B,E
NEW QUESTION # 798
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