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The AWS Certified Solutions Architect - Associate certification is highly valued in the IT industry, especially for individuals who work with AWS. AWS Certified Solutions Architect - Associate (SAA-C02) certification demonstrates that the individual has the necessary skills and knowledge to design and deploy scalable, secure, and reliable systems on AWS. AWS Certified Solutions Architect - Associate (SAA-C02) certification also opens up new career opportunities and higher salaries for the individual.

To become an AWS Certified Solutions Architect - Associate, candidates must pass the SAA-C02 exam. AWS-Solutions-Architect-Associate Exam consists of 65 multiple-choice and multiple-response questions, and candidates are given 130 minutes to complete it. The passing score for the exam is 720 out of 1000, and the exam fee is $150. Successful candidates will receive a certification that is valid for two years, after which they must renew their certification by passing a recertification exam or completing a professional development course.

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Amazon AWS Certified Solutions Architect - Associate (SAA-C02) Sample Questions (Q69-Q74):

NEW QUESTION # 69
What does Amazon S3 stand for?

A. Simple Storage Service.
B. Simple Storage Solution.
C. Storage Server Solution.
D. Storage Storage Storage (triple redundancy Storage).

Answer: A

NEW QUESTION # 70
A solutions architect is designing a multi-tier application for a company. The application's users upload images from a mobile device. The application generates a thumbnail of each image and returns a message to the user to confirm that the image was uploaded successfully.
The thumbnail generation can take up to 60 seconds, but the company wants to provide a faster response time to its users to notify them that the original image was received. The solutions architect must design the application to asynchronously dispatch requests to the different application tiers.
What should the solutions architect do to meet these requirements?

A. Write a custom AWS Lambda function to generate the thumbnail and alert the user. Use the image upload process as an event source to invoke the Lambda function.
B. Create an Amazon Simple Queue Service (Amazon SQS) message queue. As images are uploaded, place a message on the SQS queue for thumbnail generation. Alert the user through an application message that the image was received
C. Create an AWS Step Functions workflow Configure Step Functions to handle the orchestration between the application tiers and alert the user when thumbnail generation is complete
D. Create Amazon Simple Notification Service (Amazon SNS) notification topics and subscriptions Use one subscription with the application to generate the thumbnail after the image upload is complete. Use a second subscription to message the user's mobile app by way of a push notification after thumbnail generation is complete.

Answer: B

Explanation:
Explanation
This option is the most efficient because it uses Amazon SQS, which is a fully managed message queuing service that lets you send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available1. It also uses an SQS message queue to asynchronously dispatch requests to the different application tiers, which decouples the image upload process from the thumbnail generation process and enables scalability and reliability. It also alerts the user through an application message that the image was received, which provides a faster response time to the user than waiting for the thumbnail generation to complete. Option A is less efficient because it uses a custom AWS Lambda function to generate the thumbnail and alert the user, which is a way to run code without provisioning or managing servers. However, this does not use an asynchronous dispatch mechanism to separate the image upload process from the thumbnail generation process. It also uses the image upload process as an event source to invoke the Lambda function, which could cause concurrency issues if there are many images uploaded at once. Option B is less efficient because it uses AWS Step Functions, which is a fully managed service that provides a graphical console to arrange and visualize the components of your application as a series of steps2. However, this does not use an asynchronous dispatch mechanism to separate the image upload process from the thumbnail generation process. It also uses Step Functions to handle the orchestration between the application tiers and alert the user when thumbnail generation is complete, which could introduce additional complexity and latency. Option D is less efficient because it uses Amazon SNS, which is a fully managed messaging service that enables you to send messages or notifications directly to users with SMS text messages or email3. However, this does not use an asynchronous dispatch mechanism to separate the image upload process from the thumbnail generation process. It also uses SNS notification topics and subscriptions to generate the thumbnail after the image upload is complete and message the user's mobile app by way of a push notification after thumbnail generation is complete, which could introduce additional complexity and latency.

NEW QUESTION # 71
You have an application running in multiple Availability Zones, to confirm this application can continue to operate at full capacity without performance degradation or downtime. In the event of an Availability Zone failure. You must:

A. Use Auto Scaling to launch instances in other Availability Zones to replace lost capacity
B. Use dedicated instances in all Availability Zones
C. Have enough running EC2 instances in other Availability Zones
D. Use Spot instances to guarantee supplemental capacity

Answer: A

NEW QUESTION # 72
A gaming company has multiple Amazon EC2 instances in a single Availability Zone for its multiplayer game that communicates with users on Layer 4. The chief technology officer (CTO) wants to make the architecture highly available and cost-effective.
What should a solutions architect do to meet these requirements? (Choose two.)?

A. Configure an Application Load Balancer in front of the EC2 instances.
B. Configure an Auto Scaling group to add or remove instances in multiple Availability Zones automatically.
C. Configure a Network Load Balancer in front of the EC2 instances.
D. Increase the number of EC2 instances.
E. Decrease the number of EC2 instances.

Answer: B,C

Explanation:
Network Load Balancer overview
A Network Load Balancer functions at the fourth layer of the Open Systems Interconnection (OSI) model. It can handle millions of requests per second. After the load balancer receives a connection request, it selects a target from the target group for the default rule. It attempts to open a TCP connection to the selected target on the port specified in the listener configuration.
When you enable an Availability Zone for the load balancer, Elastic Load Balancing creates a load balancer node in the Availability Zone. By default, each load balancer node distributes traffic across the registered targets in its Availability Zone only. If you enable cross-zone load balancing, each load balancer node distributes traffic across the registered targets in all enabled Availability Zones. For more information, see Availability Zones.
If you enable multiple Availability Zones for your load balancer and ensure that each target group has at least one target in each enabled Availability Zone, this increases the fault tolerance of your applications. For example, if one or more target groups does not have a healthy target in an Availability Zone, we remove the IP address for the corresponding subnet from DNS, but the load balancer nodes in the other Availability Zones are still available to route traffic. If a client doesn't honor the time-to-live (TTL) and sends requests to the IP address after it is removed from DNS, the requests fail.
For TCP traffic, the load balancer selects a target using a flow hash algorithm based on the protocol, source IP address, source port, destination IP address, destination port, and TCP sequence number. The TCP connections from a client have different source ports and sequence numbers, and can be routed to different targets. Each individual TCP connection is routed to a single target for the life of the connection.
For UDP traffic, the load balancer selects a target using a flow hash algorithm based on the protocol, source IP address, source port, destination IP address, and destination port. A UDP flow has the same source and destination, so it is consistently routed to a single target throughout its lifetime. Different UDP flows have different source IP addresses and ports, so they can be routed to different targets.
An Auto Scaling group contains a collection of Amazon EC2 instances that are treated as a logical grouping for the purposes of automatic scaling and management. An Auto Scaling group also enables you to use Amazon EC2 Auto Scaling features such as health check replacements and scaling policies. Both maintaining the number of instances in an Auto Scaling group and automatic scaling are the core functionality of the Amazon EC2 Auto Scaling service.
The size of an Auto Scaling group depends on the number of instances that you set as the desired capacity.
You can adjust its size to meet demand, either manually or by using automatic scaling.
An Auto Scaling group starts by launching enough instances to meet its desired capacity. It maintains this number of instances by performing periodic health checks on the instances in the group. The Auto Scaling group continues to maintain a fixed number of instances even if an instance becomes unhealthy. If an instance becomes unhealthy, the group terminates the unhealthy instance and launches another instance to replace it.
Reference: https://docs.aws.amazon.com/elasticloadbalancing/latest/network/introduction.html
https://docs.aws.amazon.com/autoscaling/ec2/userguide/AutoScalingGroup.html

NEW QUESTION # 73
A company has a Microsoft NET application that runs on an on-premises Windows Server The application stores data by using an Oracle Database Standard Edition server The company is planning a migration to AWS and wants to minimize development changes while moving the application. The AWS application environment should be highly available Which combination of actions should the company take to meet these requirements? (Select TWO )

A. Rehost the application in AWS Elastic Beanstalk with the NET platform in a Multi-AZ deployment
B. Replatform the application to run on Amazon EC2 with the Amazon Linux Amazon Machine Image (AMI).
C. Refactor the application as serverless with AWS Lambda functions running NET Core
D. Use AWS Database Migration Service (AWS DMS) to migrate from the Oracle database to Oracle on Amazon RDS in a Multi-AZ deployment
E. Use AWS Database Migration Service (AWS DMS) to migrate from the Oracle database to Amazon DynamoDB in a Multi-AZ deployment

Answer: C,D

NEW QUESTION # 74
......

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