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Amazon SAA-C02 (Amazon AWS Certified Solutions Architect - Associate) exam is a certification exam that validates the knowledge and skills required to design, deploy, and manage applications on the Amazon Web Services (AWS) platform. Amazon AWS Certified Solutions Architect - Associate (SAA-C02) Exam certification is intended for individuals who are new to AWS and have some experience designing distributed applications. SAA-C02 exam is designed to test the candidate’s knowledge of AWS services and their ability to design, deploy, and manage scalable, highly available, and fault-tolerant systems on AWS.
Amazon AWS Certified Solutions Architect - Associate (SAA-C02) certification exam is a valuable accreditation for professionals looking to work in the cloud computing industry. SAA-C02 exam tests the candidate's knowledge and skills in designing, deploying, and managing scalable, highly available, and fault-tolerant systems on AWS. AWS offers a range of resources to help candidates prepare for the exam, and passing the exam can help professionals advance their careers in the cloud computing industry.
NEW QUESTION # 86
A company has a two-tier application architecture that runs in public and private subnets Amazon EC2 instances running the web application are in the public subnet and a database runs on the private subnet The web application instances and the database are running in a single Availability Zone (AZ).
Which combination of steps should a solutions architect take to provide high availability for this architecture?
(Select TWO.)
- A. Add the existing web application instances to an Auto Scaling group behind an Application Load Balancer
- B. Create new public and private subnets in the same AZ for high availability
- C. Create new public and private subnets in the same VPC each in a new AZ Migrate the database to an Amazon RDS multi-AZ deployment
- D. Create new public and private subnets in a new AZ Create a database using Amazon EC2 in one AZ
- E. Create an Amazon EC2 Auto Scaling group and Application Load Balancer spanning multiple AZs
Answer: C,E
Explanation:
Explanation
You can take advantage of the safety and reliability of geographic redundancy by spanning your Auto Scaling group across multiple Availability Zones within a Region and then attaching a load balancer to distribute incoming traffic across those zones. Incoming traffic is distributed equally across all Availability Zones enabled for your load balancer.
Note
An Auto Scaling group can contain Amazon EC2 instances from multiple Availability Zones within the same Region. However, an Auto Scaling group can't contain instances from multiple Regions.
When one Availability Zone becomes unhealthy or unavailable, Amazon EC2 Auto Scaling launches new instances in an unaffected zone. When the unhealthy Availability Zone returns to a healthy state, Amazon EC2 Auto Scaling automatically redistributes the application instances evenly across all of the zones for your Auto Scaling group. Amazon EC2 Auto Scaling does this by attempting to launch new instances in the Availability Zone with the fewest instances. If the attempt fails, however, Amazon EC2 Auto Scaling attempts to launch in other Availability Zones until it succeeds.
You can expand the availability of your scaled and load-balanced application by adding an Availability Zone to your Auto Scaling group and then enabling that zone for your load balancer. After you've enabled the new Availability Zone, the load balancer begins to route traffic equally among all the enabled zones.
High Availability (Multi-AZ) for Amazon RDS
Amazon RDS provides high availability and failover support for DB instances using Multi-AZ deployments.
Amazon RDS uses several different technologies to provide failover support. Multi-AZ deployments for MariaDB, MySQL, Oracle, and PostgreSQL DB instances use Amazon's failover technology. SQL Server DB instances use SQL Server Database Mirroring (DBM) or Always On Availability Groups (AGs).
In a Multi-AZ deployment, Amazon RDS automatically provisions and maintains a synchronous standby replica in a different Availability Zone. The primary DB instance is synchronously replicated across Availability Zones to a standby replica to provide data redundancy, eliminate I/O freezes, and minimize latency spikes during system backups. Running a DB instance with high availability can enhance availability during planned system maintenance, and help protect your databases against DB instance failure and Availability Zone disruption. For more information on Availability Zones, see Regions, Availability Zones, and Local Zones
https://docs.aws.amazon.com/autoscaling/ec2/userguide/as-add-availability-zone.html
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html
NEW QUESTION # 87
A company stores its data objects in Amazon S3 Standard storage. A solutions architect has found that 75% of the data is rarely accessed after 30 days. The company needs all the data to remain immediately accessible with the same high availability and resiliency, but the company wants to minimize storage costs.
Which storage solution will meet these requirements?
- A. Move the data objects to S3 Glacier Deep Archive after 30 days.
- B. Move the data objects to S3 Standard-Infrequent Access (S3 Standard-IA) after 30 days.
- C. Move the data objects to S3 One Zone-Infrequent Access (S3 One Zone-IA) immediately.
- D. Move the data objects to S3 One Zone-Infrequent Access (S3 One Zone-IA) after 30 days.
Answer: B
NEW QUESTION # 88
A company is hosting a web application on AWS using a single Amazon EC2 instance that stores user-uploaded documents in an Amazon EBS volume For better scalability and availability the company duplicated the architecture and created a second EC2 instance and EBS volume in another Availability Zone:
placing both behind an Application Load Balancer After completing this change users reported that each time they refreshed the website they could see one subset of their documents or the other but never all of the documents at the same time What should a solutions architect propose to ensure users see all of their documents at once?
- A. Copy the data so both EBS volumes contain all the documents
- B. Copy the data from both EBS volumes to Amazon EFS Modify the application to save new documents to Amazon EFS
- C. Configure the Application Load Balancer to send the request to both servers Return each document from the correct server
- D. Configure the Application Load Balancer to direct a user to the server with the documents
Answer: B
Explanation:
Explanation
https://docs.aws.amazon.com/efs/latest/ug/how-it-works.html#how-it-works-ec2 Amazon EFS provides file storage in the AWS Cloud. With Amazon EFS, you can create a file system, mount the file system on an Amazon EC2 instance, and then read and write data to and from your file system. You can mount an Amazon EFS file system in your VPC, through the Network File System versions 4.0 and 4.1 (NFSv4) protocol. We recommend using a current generation Linux NFSv4.1 client, such as those found in the latest Amazon Linux, Redhat, and Ubuntu AMIs, in conjunction with the Amazon EFS Mount Helper. For instructions, see Using the amazon-efs-utils Tools.
For a list of Amazon EC2 Linux Amazon Machine Images (AMIs) that support this protocol, see NFS Support. For some AMIs, you'll need to install an NFS client to mount your file system on your Amazon EC2 instance. For instructions, see Installing the NFS Client.
You can access your Amazon EFS file system concurrently from multiple NFS clients, so applications that scale beyond a single connection can access a file system. Amazon EC2 instances running in multiple Availability Zones within the same AWS Region can access the file system, so that many users can access and share a common data source.
How Amazon EFS Works with Amazon EC2
https://docs.aws.amazon.com/efs/latest/ug/how-it-works.html#how-it-works-ec2
NEW QUESTION # 89
A company has a mobile game that reads most of its metadata from an Amazon RDS DB instance As the game increased in popularity developers noticed slowdowns related to the game's metadata load times Performance metrics indicate that simply scaling the database will not help A solutions architect must explore all options that include capabilities for snapshots replication and sub-millisecond response times What should the solutions architect recommend to solve these issues?
- A. Add an Amazon ElastiCache for Memcached layer in front of the database
- B. Add an Amazon ElastiCache for Redis layer in front of the database.
- C. Migrate the database to Amazon DyramoDB with global tables
- D. Migrate the database to Amazon Aurora with Aurora Replicas
Answer: C
NEW QUESTION # 90
A company runs batch processes on Amazon EC2 instances that are needed only during business hours These processes must preserve the data at alt times but the speed of processing is not important The company needs to run these processes in the MOST cost-effective manner Which solution will meet these requirements?
- A. Use EC2 Reserved Instances with the All Upfront payment option
- B. Use persistent Spot Instance requests with behaviour that stops interrupted instances
- C. Use EC2 Reserved instances with the Partial Upfront payment option
- D. Use Spot Fleet requests with the allocation strategy set to lowestPnce
Answer: C
NEW QUESTION # 91
A solutions architect wants all new users to have specific complexity requirements and mandatory rotation periods for 1AM user passwords.
What should the solutions architect do to accomplish this?
- A. Attach an Amazon CloudWatch rule to the Create_newuser event to set the password with the appropriate requirements.
- B. Set an overall password policy for the entire AWS account
- C. Set a password policy for each 1AM user in the AWS account.
- D. Use third-party vendor software to set password requirements,
Answer: B
NEW QUESTION # 92
A company has an application running as a service in Amazon Elastic Container Service (Amazon EC2) using the Amazon launch type.
The application code makes AWS API calls to publish messages to Amazon Simple Queue Service (Amazon SQS).
What is the MOST secure method of giving the application permission to publish messages to Amazon SQS?
- A. Update the security group used by the ECS cluster to allow access to Amazon SQS
- B. Create a new IAM user with SQS permissions.
The update the task definition to declare the access key ID and secret access key as environment variables. - C. Create a new IAM role with SQS permissions.
The update the task definition to use this role for the task role setting. - D. Use AWS identity and Access Management (IAM) to grant SQS permissions to the role used by the launch configuration for the Auto Scaling group of the ECS cluster.
Answer: B
NEW QUESTION # 93
A company hosts its core network services, including directory services and DNS. in its on- premises data center.
The data center is connected to the AWS Cloud using AWS Direct Connect (DX) Additional AWS accounts are planned that will require quick, cost-effective, and consistent access to these network services What should a solutions architect implement to meet these requirements with the LEAST amount of operational overhead?
- A. Create a VPN connection between each new account and the DX VPp
Route the network traffic to the on-premises servers - B. Create a DX connection in each new account.
Route the network traffic to the on-premises servers - C. Configure VPC endpoints in the DX VPC for all required services.
Route the network traffic to the on- premises servers - D. Configure AWS Transit Gateway between the accounts.
Assign DX to the transit gateway and route network traffic to the on-premises servers
Answer: D
Explanation:
NEW QUESTION # 94
You are trying to launch an EC2 instance, however the instance seems to go into a terminated status immediately. What would probably not be a reason that this is happening?
- A. You've reached your volume limit.
- B. You need to create storage in EBS first.
- C. The AMI is missing a required part.
- D. The snapshot is corrupt.
Answer: B
Explanation:
Amazon EC2 provides a virtual computing environments, known as an instance. After you launch an instance, AWS recommends that you check its status to confirm that it goes from the pending status to the running status, the not terminated status. The following are a few reasons why an Amazon EBS-backed instance might immediately terminate:
You've reached your volume limit.
The AMI is missing a required part.
The snapshot is corrupt.
Reference:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_InstanceStraightToTerminated.ht ml
NEW QUESTION # 95
What is a placement group in Amazon EC2?
- A. It the edge location of your web content.
- B. It is the AWS region where you run the EC2 instance of your web content.
- C. It is a group used to span multiple Availability Zones.
- D. It is a group of EC2 instances within a single Availability Zone.
Answer: D
Explanation:
A placement group is a logical grouping of instances within a single Availability Zone.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html
NEW QUESTION # 96
A company has a web application with sporadic usage patterns. There is heavy usage at the beginning of each month, moderate usage at the start of each week, and unpredictable usage during the week. The application consists of a web server and a MySQL database server running inside the data center. The company would like to move the application to the AWS Cloud, and needs to select a cost-effective database platform that will not require database modifications.
Which solution will meet these requirements?
- A. MySQL-compatible Amazon Aurora Serverless
- B. MySQL deployed on Amazon EC2 in an Auto Scaling group
- C. Amazon RDS for MySQL
- D. Amazon DynamoDB
Answer: A
NEW QUESTION # 97
A company has hired a new cloud engineer who should not have access to an Amazon S3 bucket named Company Confidential. the cloud engineer must be able to read from and write to an S3 bucket called AdminTools.
Which IAM policy will meet these requirements?
A)
B)
C)
D)
- A. Option B
- B. Option A
- C. Option D
- D. Option C
Answer: B
NEW QUESTION # 98
A solutions architect is designing a solution to access a catalog of images and provide users with the ability to submit requests to customize images Image customization parameters wilt be in every request that is sent to an Amazon API Gateway API. The solution will generate tie customized images on demand. Users will receive a link that they can use to view or download their customized images. The solution must be highly available for viewing and customizing images What should the solutions architect do to meet these requirements MOST cost effectively?
- A. Use Amazon EC2 instances to manipulate the original images into the requested customizations Store the original and manipulated images in Amazon S3. Configure an Elastic Load Balancer in front. of the EC2 Instances.
- B. Use Amazon EC2 instances to manipulate the original Images Into the requested customizations. Store the original images in Amazon S3. Store the manipulated Images m Amazon DynamoDB Configure an Amazon CloudFront distribution with the S3 bucket as the origin
- C. Use AWS Lambda to manipulate the original images into the requested customization. Store the original and manipulated images in Amazon S3. Configure an Amazon CloudFront distribution with the S3 bucket as the origin.
- D. Use AWS Lambda to manipulate the original images into the requested customizations Store the original images in Amazon S3 Store the manipulated images in Amazon DynamoDB. Provision an Application Load Balancer and Amazon EC2 instances to serve the content.
Answer: C
NEW QUESTION # 99
A user is designing a new service that receives location updates from 3 600 rental cars every hour.
The cars upload their location to an Amazon S3 bucket.
Each location must be checked for distance from the original rental location.
Which services will process the updates and automatically scale?
- A. Amazon S3 events and AWS Lambda
- B. Amazon Elastic Container Service (Amazon ECS) and Amazon RDS
- C. Amazon Kinesis Data Firehose and Amazon S3
- D. Amazon EC2 and Amazon Elastic Block Store (Amazon EBS)
Answer: C
NEW QUESTION # 100
A solution architect is designing an application that will allow business users to upload objects to Amazon S3.
The solution needs to maximize object durability. Objects also must be readily available at any time and for any length of time. Users will access objects frequently within the first 30 days after the objects are uploaded, but users are much less likely to access objects that are older than 30 days.
Which solution meets these requirements Most cost-effectively?
- A. Store all the objects in S3 Standard with an S3 Lifecycle rule to transition the object to S3 Standard-infrequent Access (S3 Standard-IA) after 30 days.
- B. Store all the objects in S3 Standard with an S3 Lifecycle rule to transition the object to S3 Zone-infrequent Access (S3 Zone-IA) after 30 days.
- C. Store all the objects in S3 intelligent-Tiering with an S3 Lifecycle rule to transition the object to S3 Standard-infrequent Access (S3 Standard-IA) after 30 days.
- D. Store all the objects in S3 Standard with an S3 Lifecycle rule to transition the object to S3 Giacier after
30 days.
Answer: C
NEW QUESTION # 101
A solutions architect is designing an elastic application that will have between 10 and 50 Amazon EC2 concurrent instances running depending on the load.
Each instance must mount storage that will read and write to the same 50 GB folder.
Which storage type meets the requirements?
- A. Amazon EC2 instance store
- B. Amazon S3
- C. Amazon Amazon Elastic Block Store (Amazon EBS) volumes
- D. Amazon Elastic File System (Amazon EFS)
Answer: D
NEW QUESTION # 102
A company is running its application in a single region on Amazon EC2 with Amazon Elastic Block Store (Amazon EBS) and S3 as part of the storage design.
What should be done to reduce data transfer costs?
- A. Create an Amazon CloudFront distribution with Amazon S3 as the origin
- B. Replicate Amazon S3 data to buckets in AWS Regions closer to the requester.
- C. Create a copy of the compute environment in another AWS Region
- D. Convert the application to run on Lambda@Edge
Answer: A
NEW QUESTION # 103
A company has a live chat application running on its on-premises servers that use WebSockets. The company wants to migrate the application to AWS. Application traffic is inconsistent, and the company expects there to be more traffic with sharp spikes in the future.
The company wants a highly scalable solution with no server maintenance nor advanced capacity planning.
Which solution meets these requirements?
- A. Run Amazon EC2 instances behind an Application Load Balancer in an Auto Scaling group with an Amazon DynamoDB table as the data store. Configure the DynamoDB table for on-demand capacity.
- B. Run Amazon EC2 instances behind a Network Load Balancer in an Auto Scaling group with an Amazon DynamoDB table as the data store. Configure the DynamoDB table for provisioned capacity.
- C. Use Amazon API Gateway and AWS Lambda with an Amazon DynamoDB table as the data store.
Configure the DynamoDB table for on-demand capacity. - D. Use Amazon API Gateway and AWS Lambda with an Amazon DynamoDB table as the data store.
Configure the DynamoDB table for provisioned capacity.
Answer: C
NEW QUESTION # 104
A company receives data from millions of users totaling about 1 TB each flay. The company provides its use's with usage reports gang back 12 months Al usage data must be stored tor at least 5 years to comply with regulatory and auditing requirements Which storage solution is MOST cost-effective?
- A. Store the data in Amazon S3 Standard Set a lifecycle -rule to transition the data to S3 One Zone-infrequent Access (S3 One Zone-IA) after 1 year, Set a Lifecycle rule to delete the data after 5 years.
- B. Store The data in Amazon S3 One Zone-Infrequent Access (S3 One Zone-IA). Set a lifecycle rule to transition the data to S3 Glacier after t year Set the lifecycle rule to delete the data after 5 years.
- C. Store the data in Amazon S3 Standard. Set a lifecycle -rule to transition the data lo S3 Glacier Deep Archive after 1 year. Set a Recycle rule to delete the data after5 years.
- D. Store the data in Amazon S3 Standard Set a lifecycle rule to transition the data to S3 Standard-infrequent Access (S3 Standard-IA) after i year Sol a lifecycle rule to delete the data after 5 years.
Answer: C
NEW QUESTION # 105
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