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| Certification Vendor: | Amazon Web Services (AWS) |
|---|---|
| Exam Name: | AWS Certified Solutions Architect โ Associate (SAA-C03) |
| Exam Number: | SAA-C03 |
| Related Certifications: | AWS Certified SysOps Administrator โ Associate AWS Certified Solutions Architect โ Professional AWS Certified Developer โ Associate |
| Real Exam Qty: | 65 (approximate; multiple choice and multiple response) |
| Passing Score: | 720 (scaled score out of 1000) |
| Exam Duration: | 130 minutes |
| Exam Format: | Multiple choice, Multiple response |
| Available Languages: | English, Korean, Simplified Chinese, Japanese |
| Exam Price: | 150 USD |
| Certificate Validity Period: | 3 years |
| Recommended Training: | AWS Solutions Architect Learning Path AWS Skill Builder |
| Exam Registration: | AWS Certification Portal Pearson VUE Registration |
| Sample Questions: | Amazon SAA-C03 Sample Questions |
| Exam Way: | Online proctored or test center exam via Pearson VUE |
| Pre Condition: | No formal prerequisites. AWS recommends at least 1 year of hands-on experience designing distributed systems on AWS. |
| Official Syllabus URL: | https://aws.amazon.com/certification/certified-solutions-architect-associate/ |
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Amazon SAA-C03 exam consists of multiple-choice and multiple-response questions and is conducted online via the AWS Certification portal. SAA-C03 exam is 130 minutes long, and candidates are required to score at least 720 out of 1000 to pass. SAA-C03 Exam covers a wide range of topics, including AWS storage solutions, compute and networking services, security, and application integration. Candidates must have a solid understanding of these topics to be successful on the exam.
NEW QUESTION # 837
A company recently migrated a monolithic application to an Amazon EC2 instance and Amazon RDS. The application has tightly coupled modules. The existing design of the application gives the application the ability to run on only a single EC2 instance.
The company has noticed high CPU utilization on the EC2 instance during peak usage times. The high CPU utilization corresponds to degraded performance on Amazon RDS for read requests. The company wants to reduce the high CPU utilization and improve read request performance.
Which solution will meet these requirements?
Answer: B
Explanation:
To address the high CPU utilization on the EC2 instance and the degraded performance of Amazon RDS for read requests, the solution involves two key actions: resizing the EC2 instance and leveraging Amazon RDS read replicas.
Resizing the EC2 Instance: The first step is to resize the EC2 instance to a type with more CPU capacity to handle the higher computational demands during peak usage times. This helps to alleviate the immediate pressure on the CPU.
Auto Scaling Group with a Size of 1: Although the application can only run on a single EC2 instance due to its monolithic nature, creating an Auto Scaling group with a minimum and maximum size of 1 ensures that the instance is automatically restarted or replaced in case of failure, maintaining high availability.
RDS Read Replica: Configuring an RDS read replica allows the application to offload read requests to a separate instance, thus reducing the load on the primary RDS instance. This improves the performance of read operations, which were previously bottlenecked due to the high CPU usage on the EC2 instance.
Why Not Other Options?:
Option B: Redirecting all traffic to the RDS read replica is not recommended because replicas are meant for read traffic only, not for write operations. This could lead to data consistency issues.
Option C: Increasing the RDS instance type capacity helps, but it doesn't address the high CPU usage on the EC2 instance, nor does it provide a solution for scaling reads.
Option D: While resizing both the EC2 and RDS instances increases their capacities, it doesn't address the specific need to offload read traffic from the primary RDS instance.
AWS Reference:
Amazon RDS Read Replicas - Explains how to create and use read replicas to offload read traffic from the primary database instance.
Resizing Your EC2 Instance - Guidance on resizing EC2 instances to meet workload demands.
NEW QUESTION # 838
[Design Secure Architectures]
A company is developing a mobile game that streams score updates to a backend processor and then posts results on a leaderboard A solutions architect needs to design a solution that can handle large traffic spikes process the mobile game updates in order of receipt, and store the processed updates in a highly available database The company also wants to minimize the management overhead required to maintain the solution What should the solutions architect do to meet these requirements?
Answer: D
Explanation:
Amazon Kinesis Data Streams is a scalable and reliable service that can ingest, buffer, and process streaming data in real-time. It can handle large traffic spikes and preserve the order ofthe incoming data records. AWS Lambda is a serverless compute service that can process the data streams from Kinesis Data Streams without requiring any infrastructure management. It can also scale automatically to match the throughput of the data stream. Amazon DynamoDB is a fully managed, highly available, and fast NoSQL database that can store the processed updates from Lambda. It can also handle high write throughput and provide consistent performance. By using these services, the solutions architect can design a solution that meets the requirements of the company with the least operational overhead.
NEW QUESTION # 839
A company runs an application on Amazon EC2 Instances in a private subnet. The application needs to store and retrieve data in Amazon S3 buckets. According to regulatory requirements, the data must not travel across the public internet.
What should a solutions architect do to meet these requirements MOST cost-effectively?
Answer: D
Explanation:
* Understanding the Requirement: The application running in a private subnet needs to store and retrieve data from S3 without data traveling over the public internet.
* Analysis of Options:
* NAT Gateway: Allows private subnets to access the internet but incurs additional costs and still routes traffic through the public internet.
* AWS Storage Gateway: Provides hybrid cloud storage solutions but is not the most cost-effective for direct S3 access from within the VPC.
* S3 Interface Endpoint: Provides private access to S3 but is generally used for specific use cases where more granular control is required, which might be overkill and more expensive.
* S3 Gateway Endpoint: Provides private, cost-effective access to S3 from within the VPC without routing traffic through the public internet.
* Best Solution:
* S3 Gateway Endpoint: This option meets the requirements for secure, private access to S3 from a private subnet most cost-effectively.
References:
* Amazon VPC Endpoints
* Gateway Endpoints
NEW QUESTION # 840
A company is developing an application to support customer demands. The company wants to deploy the application on multiple Amazon EC2 Nitro-based instances within the same Availability Zone. The company also wants to give the application the ability to write to multiple block storage volumes in multiple EC2 Nitro-based instances simultaneously to achieve higher application availability.
Which solution will meet these requirements?
Answer: A
Explanation:
* Understanding the Requirement: The application needs to write to multiple block storage volumes in multiple EC2 Nitro-based instances simultaneously to achieve higher availability.
* Analysis of Options:
* General Purpose SSD (gp3) with Multi-Attach: Supports Multi-Attach but does not provide the highest performance required for critical applications.
* Throughput Optimized HDD (st1) with Multi-Attach: Not suitable for applications requiring high performance and low latency.
* Provisioned IOPS SSD (io2) with Multi-Attach: Provides high performance and durability, suitable for applications requiring simultaneous writes and high availability.
* General Purpose SSD (gp2) with Multi-Attach: Similar to gp3 but with less flexibility and
* performance.
* Best Solution:
* Provisioned IOPS SSD (io2) with Multi-Attach: This solution ensures the highest performance and availability for the application by allowing multiple EC2 instances to attach to and write to the same EBS volume simultaneously.
References:
* Amazon EBS Multi-Attach
* Provisioned IOPS SSD (io2)
NEW QUESTION # 841
A company is designing a web application on AWS. The application uses a VPN connection between the company's on-premises data center and the company's VPC.
The company uses Amazon Route 53 as its DNS service. The application must use private DNS records to communicate with the on-premises services from a VPC.
Which solution will meet these requirements MOST securely?
Answer: D
Explanation:
The requirement is for workloads inside a VPC to resolve private DNS names that are hosted on- premises over a VPN connection. The most secure and AWS-recommended method to achieve this is to use Amazon Route 53 Resolver outbound endpoints with forwarding rules.
Option A enables DNS queries that originate in the VPC to be securely forwarded to on-premises DNS servers through the VPN connection. A Route 53 Resolver outbound endpoint provides elastic, managed DNS forwarding capability without exposing DNS services to the public internet.
By creating a Resolver rule, the company can define which domain names (for example, internal corporate domains) should be forwarded to specific on-premises DNS IP addresses. Associating the rule with the VPC ensures only authorized VPCs can use this resolution path.
NEW QUESTION # 842
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