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Amazon SAA-C03 exam is a highly sought-after certification for IT professionals looking to validate their expertise in AWS architecture and design. SAA-C03 exam covers a broad range of topics, including AWS core services, security, database, and networking, and is updated regularly to reflect the latest AWS services and features. Candidates who pass the exam demonstrate their ability to design and deploy scalable, highly available, and fault-tolerant systems on AWS, making them highly valuable to employers globally.
Amazon SAA-C03 Exam covers a wide range of topics related to AWS cloud computing, including AWS core services, security, database technologies, and application deployment. SAA-C03 exam consists of 65 multiple-choice and multiple-response questions, and the candidate is given 130 minutes to complete it. The passing score for the exam is 720 out of 1000.
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Amazon SAA-C03 Certification Exam is a comprehensive exam that requires a thorough understanding of AWS services and the ability to apply that knowledge to real-world scenarios. Candidates who pass the exam demonstrate their ability to design and deploy AWS infrastructure, including compute, storage, networking, and security services. They also demonstrate their capability to optimize AWS services for performance, cost, and scalability.
NEW QUESTION # 453
[Design Resilient Architectures]
A company is concerned that two NAT instances in use will no longer be able to support the traffic needed for the company's application. A solutions architect wants to implement a solution that is highly available, fault tolerant, and automatically scalable.
What should the solutions architect recommend?
Answer: D
Explanation:
If you have resources in multiple Availability Zones and they share one NAT gateway, and if the NAT gateway's Availability Zone is down, resources in the other Availability Zones lose internet access. To create an Availability Zone-independent architecture, create a NAT gateway in each Availability Zone and configure your routing to ensure that resources use the NATgateway in the same Availability Zone.https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-gateway.html#nat-gateway-basics
NEW QUESTION # 454
[Design High-Performing Architectures]
A company collects data from a large number of participants who use wearabledevices.The company stores the data in an Amazon DynamoDB table and uses applications to analyze the dat a. The data workload is constant and predictable. The company wants to stay at or below its forecasted budget for DynamoDB.
Whihc solution will meet these requirements MOST cost-effectively?
Answer: D
Explanation:
This option is the most efficient because it uses provisioned mode, which is a read/write capacity mode for processing reads and writes on your tables that lets you specify how much read and writethroughput you expect your application to perform1. It also specifies the read capacity units (RCUs) and write capacity units (WCUs), which are the amount of data your application needs to read or write per second. It also meets the requirement of staying at or below its forecasted budget for DynamoDB, as provisioned mode has lower costs than on-demand mode for predictable workloads. This solution meets the requirement of collecting data from a large number of participants who use wearable devices with a constant and predictable data workload. Option A is less efficient because it uses provisioned mode and DynamoDB Standard-Infrequent Access (DynamoDB Standard-IA), which is a storage class for infrequently accessed items that require milliseconds latency2. However, this does not meet the requirement of collecting data from a large number of participants who use wearable devices with a constant and predictable data workload, as DynamoDB Standard-IA is more suitable for items that are accessed less frequently than once every 30 days. Option C is less efficient because it uses on-demand mode, which is a read/write capacity mode that lets you pay only for what you use by automatically adjusting your table's capacity in response to changing demand3. However, this does not meet the requirement of staying at or below its forecasted budget for DynamoDB, ason-demand mode has higher costs than provisioned mode for predictable workloads. Option D is less efficient because it uses on-demand mode and specifies the RCUs and WCUs with reserved capacity, which is a way to reserve read and write capacity for your tables in exchange for discounted hourly rates. However, this does not meet the requirement of staying at or below its forecasted budget for DynamoDB, as on-demand mode has higher costs than provisioned mode for predictable workloads. Also, specifying RCUs and WCUs with reserved capacity is not possible with on-demand mode, as it only applies to provisioned mode.
NEW QUESTION # 455
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: D
Explanation:
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 # 456
[Design Resilient Architectures]
A solutions architect must migrate a Windows Internet Information Services (IIS) web application to AWS The application currently relies on a file share hosted in the user's on-premises network-attached storage (NAS) The solutions architect has proposed migrating the MS web servers to Amazon EC2 instances in multiple Availability Zones that are connected to the storage solution, and configuring an Elastic Load Balancer attached to the instances Which replacement to the on-premises file share is MOST resilient and durable?
Answer: B
Explanation:
This answer is correct because it provides a resilient and durable replacement for the on-premises file share that is compatible with Windows IIS web servers. Amazon FSx for Windows File Server is a fully managed service that provides shared file storage built on Windows Server. It supports the SMB protocol and integrates with Microsoft Active Directory, which enables seamless access and authentication for Windows-based applications. Amazon FSx for Windows File Server also offers the following benefits:
Resilience: Amazon FSx for Windows File Server can be deployed in multiple Availability Zones, which provides high availability and failover protection. It also supports automatic backups and restores, as well as self-healing features that detect and correct issues.
Durability: Amazon FSx for Windows File Server replicates data within and across Availability Zones, and stores data on highly durable storage devices. It also supports encryption at rest and in transit, as well as file access auditing and data deduplication.
Performance: Amazon FSx for Windows File Server delivers consistent sub-millisecond latencies and high throughput for file operations. It also supports SSD storage, native Windows features such as Distributed File System (DFS) Namespaces and Replication, and user-driven performance scaling.
Reference:
Amazon FSx for Windows File Server
Using Microsoft Windows file shares
NEW QUESTION # 457
A company uses a popular content management system (CMS) for its corporate website.
However, the required patching and maintenance are burdensome.
The company is redesigning its website and wants anew solution.
The website will be updated four times a year and does not need to have any dynamic content available.
The solution must provide high scalability and enhanced security.
Which combination of changes will meet these requirements with the LEAST operational overhead? (Choose two.)
Answer: C,D
NEW QUESTION # 458
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