Amazon SAA-C03 Prüfungsaufgaben & SAA-C03 Exam

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Die Amazon SAA-C03 (Amazon AWS Certified Solutions Architect - Associate) Prüfung ist darauf ausgelegt, die Fähigkeiten und Kenntnisse von Personen zu validieren, die skalierbare, hochverfügbare und ausfallsichere Systeme auf der Amazon Web Services (AWS) Plattform entwerfen und bereitstellen können. Diese Zertifizierung richtet sich an IT-Profis, die mindestens ein Jahr Erfahrung in der Entwicklung von AWS-basierten Anwendungen haben sowie an diejenigen, die eine Karriere im Bereich Cloud Computing anstreben.

>> Amazon SAA-C03 Prüfungsaufgaben <<

SAA-C03 Studienmaterialien: AWS Certified Solutions Architect - Associate - SAA-C03 Torrent Prüfung & SAA-C03 wirkliche Prüfung

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Amazon AWS Certified Solutions Architect - Associate SAA-C03 Prüfungsfragen mit Lösungen (Q717-Q722):

717. Frage
A solutions architect is designing the cloud architecture for a new stateless application that will be deployed on AWS. The solutions architect created an Amazon Machine Image (AMI) and launch template for the application.
Based on the number of jobs that need to be processed, the processing must run in parallel while adding and removing application Amazon EC2 instances as needed. The application must be loosely coupled. The job items must be durably stored.
Which solution will meet these requirements?

Antwort: A

Begründung:
Amazon SQS provides durable, decoupled message storage for distributed systems. Using SQS as a job queue enables each EC2 instance to process a message independently. Scaling the Auto Scaling group based on the SQS queue length ensures parallelism and elasticity, aligning compute resources with workload volume.
Reference:


718. Frage
[Design Secure Architectures]
A company is designing a new web service that will run on Amazon EC2 instances behind an Elastic Load Balancing (ELB) load balancer. However, many of the web service clients can only reach IP addresses authorized on their firewalls.
What should a solutions architect recommend to meet the clients' needs?

Antwort: C

Begründung:
A Network Load Balancer can be assigned one Elastic IP address for each Availability Zone it uses1. This allows the clients to reach the load balancer using a static IP address that can be authorized on their firewalls. An Application Load Balancer cannot be assigned an Elastic IP address2. An A record in an Amazon Route 53 hosted zone pointing to an Elastic IP address would not work because the load balancer would still use its own IP address as the source of the forwarded requests to the web service. An EC2 instance with a public IP address running as a proxy in front of the load balancer would add unnecessary complexity and cost, and would not provide the same scalability and availability as a Network Load Balancer. Reference: 1: Network Load Balancers - Elastic Load Balancing3, IP address type section2: How to assign Elastic IP to Application Load Balancer in AWS?4, answer section.


719. Frage
A solutions architect is designing a web application that will run on Amazon EC2 instances behind an Application Load Balancer (ALB). The company strictly requires that the application be resilient against malicious internet activity and attacks, and protect against new common vulnerabilities and exposures.
What should the solutions architect recommend?

Antwort: C

Begründung:
AWS WAF allows web applications to protect themselves from common web exploits and vulnerabilities. Using AWS managed rule groups ensures protection against known attack patterns, such as SQL injection and cross-site scripting. Associating AWS WAF with the ALB provides application-layer security and real-time threat mitigation.


720. Frage
A company has developed a non-production application that is composed of multiple microservices for each of the company's business units. A single development team maintains all the microservices.
The current architecture uses a static web frontend and a Java-based backend that contains the application logic. The architecture also uses a MySQL database that the company hosts on an Amazon EC2 instance.
The company needs to ensure that the application is secure and available globally.
Which solution will meet these requirements with the LEAST operational overhead?

Antwort: D

Begründung:
This solution offers the least operational overhead while meeting the security and global availability requirements:
* Amazon CloudFront and S3: Hosting the static frontend on S3 and serving it via CloudFront provides low-latency global distribution, high availability, and security. S3 is a cost-effective and serverless option for hosting static assets, and CloudFront ensures that the application is cached closer to the users, reducing latency globally.
* AWS Lambda and API Gateway: Refactoring the microservices to use Lambda functions with API Gateway allows for a fully serverless, scalable, and highly available backend. This reduces the need for managing EC2 instances, as Lambda automatically scales to meet demand and only charges for the actual usage.
* RDS for MySQL: Migrating the MySQL database from an EC2 instance to Amazon RDS significantly reduces operational overhead. RDS manages backups, patching, and scaling, and it offers high availability options (e.g., Multi-AZ).
* Option A and D involve using EC2 Reserved Instances for the database, which requires more operational maintenance than using RDS.
* Option C suggests using a Network Load Balancer with Lambda, which adds unnecessary complexity for this use case.
AWS References:
* Amazon S3 and CloudFront Integration
* AWS Lambda with API Gateway
* Amazon RDS for MySQL


721. Frage
A company's ecommerce website has unpredictable traffic and uses AWS Lambda functions to directly access a private Amazon RDS for PostgreSQL DB instance. The company wants to maintain predictable database performance and ensure that the Lambda invocations do not overload the database with too many connections.
What should a solutions architect do to meet these requirements?

Antwort: C

Begründung:
To maintain predictable database performance and ensure that the Lambda invocations do not overload the database with too many connections, a solutions architect should point the client driver at an RDS proxy endpoint and deploy the Lambda functions inside a VPC. An RDS proxy is a fully managed database proxy that allows applications to share connections to a database, improving database availability and scalability. By using an RDS proxy, the Lambda functions can reuse existing connections, rather than creating new ones for every invocation, reducing the connection overhead and latency. Deploying the Lambda functions inside a VPC allows them to access the private RDS DB instance securely and efficiently, without exposing it to the public internet. References:
Using Amazon RDS Proxy with AWS Lambda
Configuring a Lambda function to access resources in a VPC


722. Frage
......

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