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NEW QUESTION 291
A company's website is using an Amazon RDS MySQL Multi-AZ DB instance for its transactional data storage.
There are other internal systems that query this DB instance to fetch data for internal batch processing. The RDS DB instance slows down significantly when the internal systems fetch data. This impacts the website's read and write performance, and the users experience slow response times.
Which solution will improve the website's performance?
- A. Use Amazon ElastiCache to cache the query responses for the website.
- B. Use an RDS PostgreSQL DB instance instead of a MySQL database.
- C. Add an additional Availability Zone to the current RDS MySQL Multi-AZ DB instance.
- D. Add a read replica to the RDS DB instance and configure the internal systems to query the read replica.
Answer: D
Explanation:
Amazon RDS Read Replicas
Enhanced performance
You can reduce the load on your source DB instance by routing read queries from your applications to the read replica. Read replicas allow you to elastically scale out beyond the capacity constraints of a single DB instance for read-heavy database workloads. Because read replicas can be promoted to master status, they are useful as part of a sharding implementation.
To further maximize read performance, Amazon RDS for MySQL allows you to add table indexes directly to Read Replicas, without those indexes being present on the master.
Reference: https://aws.amazon.com/rds/features/read-replicas
NEW QUESTION 292
A company runs an application on Amazon EC2 instances. that are part of an Auto Scaling group Traffic to the application increases substantially during business hours. A solutions architect needs to implement an Auto Scaling policy that addresses user latency concerns during periods of high traffic. The company does not want to provision more compute man is necessary What should me solutions architect do to meet these requirements?
- A. Configure a predictive scaling policy with the appropriate scaling metric.
- B. Configure a dynamic target tracking scaling policy with the appropriate scaling metric
- C. Configure a scheduled scaling policy that launches additional EC2 instances during business hours
- D. Configure dynamic step or simple scaling policies with Ama7on CloudWatch alarms to add and remove EC2 instances based on alarm status
Answer: C
NEW QUESTION 293
A solutions architect is designing a publicly accessible web application that is on an Amazon CloudFront distribution with an Amazon S3 website endpoint as the origin.
When the solution is deployed, the website returns an Error 403: Access Denied message.
Which steps should the solutions architect take to correct the issue? (Select TWO.)
- A. Remove the S3 block public access option from the S3 bucket.
- B. Remove the requester pays option from the S3 bucket.
- C. Disable S3 object versioning
- D. Change the storage class from S3 Standard to S3 One Zone-Infrequent Access (S3 One Zone- IA).
- E. Remove the origin access identity (OAI) from the CloudFront distribution.
Answer: A,B
NEW QUESTION 294
An application running on AWS uses an Amazon Aurora Multi-AZ deployment for its database When evaluating performance metrics, a solutions architect discovered that the database reads are causing high I/O and adding latency to the write requests against the database What should the solutions architect do to separate the read requests from the write requests?
- A. Create a read replica and modify the application to use the appropriate endpoint
- B. Enable read-through caching on the Amazon Aurora database
- C. Create a second Amazon Aurora database and link it to the primary database as a read replica.
- D. Update the application to read from the Multi-AZ standby instance
Answer: A
Explanation:
Explanation
Amazon RDS Read Replicas
Amazon RDS Read Replicas provide enhanced performance and durability for RDS database (DB) instances.
They make it easy to elastically scale out beyond the capacity constraints of a single DB instance for read-heavy database workloads. You can create one or more replicas of a given source DB Instance and serve high-volume application read traffic from multiple copies of your data, thereby increasing aggregate read throughput. Read replicas can also be promoted when needed to become standalone DB instances. Read replicas are available in Amazon RDS for MySQL, MariaDB, PostgreSQL, Oracle, and SQL Server as well as Amazon Aurora.
For the MySQL, MariaDB, PostgreSQL, Oracle, and SQL Server database engines, Amazon RDS creates a second DB instance using a snapshot of the source DB instance. It then uses the engines' native asynchronous replication to update the read replica whenever there is a change to the source DB instance. The read replica operates as a DB instance that allows only read-only connections; applications can connect to a read replica just as they would to any DB instance. Amazon RDS replicates all databases in the source DB instance.
Amazon Aurora futher extends the benefits of read replicas by employing an SSD-backed virtualized storage layer purpose-built for database workloads. Amazon Aurora replicas share the same underlying storage as the source instance, lowering costs and avoiding the need to copy data to the replica nodes. For more information about replication with Amazon Aurora, see the online documentation.
https://aws.amazon.com/rds/features/read-replicas/
NEW QUESTION 295
A solutions architect is working on optimizing a legacy document management application running on Microsoft Windows Server in an on-premises data center. The application stores a large number of files on a network file share The chief information officer wants to reduce the on-premises data center footprint and minimize storage costs by moving on-premises storage to AWS What should the solutions architect do to meet these requirements?
- A. Set up Amazon Elastic File System (Amazon EFS)
- B. Set up an Amazon Elastic Block Store (Amazon EBS) volume.
- C. Set up an AWS Storage Gateway file gateway.
- D. Set up AWS Storage Gateway as a volume gateway
Answer: C
NEW QUESTION 296
A company needs to build a reporting solution on AWS. The solution must support SQL queries that data analysts run on the dat
a. The data analysts will run lower than 10 total queries each day. The company generates 3 GB of new data daily in an on-premises relational database. This data needs to be transferred to AWS to perform reporting tasks.
What should a solutions architect recommend to meet these requirements at the LOWEST cost?
- A. Use an Amazon Kinesis Data Firehose delivery stream to deliver the data into an Amazon Elasticsearch Service (Amazon ES) cluster Run the queries in Amazon ES.
- B. Use AWS Database Migration Service (AWS DMS) to replicate the data from the on-premises database and load it into an Amazon Redshift cluster. Use the Amazon Redshift cluster to query the data.
- C. Export a daily copy of the data from the on-premises database. Use an AWS Storage Gateway file gateway to store and copy the export into Amazon S3. Use an Amazon EMR cluster to query the data.
- D. Use AWS Database Migration Service (AWS DMS) to replicate the data from the on-premises database into Amazon S3. Use Amazon Athena to query the data.
Answer: D
NEW QUESTION 297
A company is running a high performance computing (HPC) workload on AWS across many Linux based Amazon EC2 instances. The company needs a shared storage system that is capable of sub-millisecond latencies, hundreds of Gbps of throughput and millions of IOPS. Users will store millions of small files.
Which solution meets these requirements?
- A. Create an Amazon FSx for Lustre file system. Mount the file system on each of the EC2 instances
- B. Ensure that the EC2 instances ate Amazon Elastic Block Store (Amazon EBS) optimized Mount Provisioned lOPS SSD (io2) EBS volumes with Multi-Attach on each instance
- C. Create an Amazon Elastic File System (Amazon EFS) file system Mount me file system on each of the EC2 instances
- D. Create an Amazon S3 bucket Mount the S3 bucket on each of the EC2 instances
Answer: A
NEW QUESTION 298
A company wants an AWS Lambda function to call a third-party API and save the response to a private Amazon ROS DB instance in the same private subnet What should a solutions architect do to meet these requirements?
- A. Create an internet gateway In the route table for the private subnet, add a route to the internet gateway Attach the Lambda function to the private subnet Create an IAM role that includes me AWSLambdaBasicExecutionRole permissions policy Attach the role to the Lambda function
- B. Create a NAT gateway In the route table for the private subnet add a route to the NAT gateway Attach the Lambda function to the private subnet. Create an IAM role that includes the AWS LambdaVPCAccessExecutionRole permissions policy Attach the role to the Lambda function
- C. Create a NAT gateway. In the route table for the private subnet, add a route to the NAT gateway. Attach the Lambda function to the private subnet. Create an IAM role that includes the AWSLambdaBasicExecutionRole permissions policy Attach the role to the Lambda function
- D. Create an internet gateway in the route table for the private subnet, add a route to the internet gateway Attach the Lambda function to the private subnet Create an IAM role that includes the AWSLambdaVPCAccessExecutionRole permissions policy Attach the role to the Lambda function
Answer: A
NEW QUESTION 299
A company hosts an application used to upload files to an Amazon S3 bucket Once uploaded, the files are processed to extract metadata, which takes less than 5 seconds. The volume and frequency of the uploads vanes from a few files each hour to hundreds of concurrent uploads. The company has asked a solutions architect to design a cost effective architecture that will meet these requirements.
What should the solutions architect recommend?
- A. Configure AWS CloudTrail trails to log S3 API calls Use AWS AppSync to process the files
- B. Configure an Amazon Simple Notification Service (Amazon SNS) topic to process the files uploaded to Amazon S3. Invoke an AWS Lambda function to process the files.
- C. Configure an object-created event notification within the S3 bucket to invoke an AWS Lambda function to process the files.
- D. Configure Amazon Kinesis Data Streams to process and send data to Amazon S3 Invoke an AWS Lambda function to process the files
Answer: C
NEW QUESTION 300
A company is building a media sharing application and decides to use Amazon S3 for storage When a media file is uploaded, the company starts a multi-step process to create thumbnails identity objects in the images transcode videos into standard formats and resolutions and extract and store the metadata to an Amazon DynamoDB table The metadata is used for searching and navigation The amount of traffic is variable The solution must be able to scale to handle spikes in load without unnecessary expenses What should a solutions architect recommend to support this workload''
- A. Trigger AWS Step Functions when an object is stored in the S3 bucket Have the Step Functions perform the steps needed to process the object and then write the metadata to the DynamoDB table
- B. Trigger an AWS Lambda function to store an initial entry in the DynamoDB table when an object is uploaded to Amazon S3 Use a program running on an Amazon EC2 instance in an Auto Scaling group to poll the index for unprocessed items, and use the program to perform the processing
- C. Trigger an AWS Lambda function when an object is stored in the S3 bucket Have the Lambda function start AWS Batch to perform the steps to process the object Place the object data m the DynamoDB table when complete
- D. Build the processing into the website or mobile app used to upload the content to Amazon S3 Save the required data to the DynamoDB table when the objects are uploaded
Answer: C
NEW QUESTION 301
A company has an Amazon S3 bucket that contains confidential information in its production AWS account The company has turned on AWS CloudTrail for the account. The account sends a copy of its logs to Amazon CloudWatch Logs. The company has configured the S3 bucket to log read and write data events.
A company auditor discovers that some objects in the S3 bucket have been deleted A solutions architect must provide the auditor with information about who deleted the objects What should the solutions architect do to provide this information?
- A. Create a CloudWatch Logs fitter to extract the S3 write API calls against the S3 bucket
- B. Query the CloudTrail togs with Amazon Athena to identify the S3 write API calls against the S3 bucket
- C. Use AWS Trusted Advisor to perform security checks for S3 write API calls that deleted the content
- D. Use AWS Config to track configuration changes on the S3 bucket Use these details to track the S3 write API calls that deleted the content
Answer: B
NEW QUESTION 302
A company has an on-premises data center that is running out of storage capacity. The company wants to migrate its storage infrastructure to AWS while minimizing bandwidth costs. The solution must allow for immediate retrieval of data at no additional cost.
How can these requirements be met?
- A. Deploy Amazon S3 Glacier Vault and enable expedited Enable provisioned retrieved capacity for the workload.
- B. Deploy AWS Storage gateway using stored volume to store data locally Use Storage gateway asynchronously back up point-in-time snapshots of the data Amazon S3.
- C. Deploy AWS Storage Gateway using cached volumes. Use Storage GATEWAY store data in Amazon retaining copies of frequently accessed data subnets locally.
- D. Deploy AWS Direct Connects to connect with on-premises data center. Configure AWS Storage gateway to store data locally use storage gateway to asynchronously back up point-in-time snapshot of data Amazon S3.
Answer: C
Explanation:
https://docs.aws.amazon.com/storagegateway/latest/userguide/WhatIsStorageGateway.html
https://docs.aws.amazon.com/amazonglacier/latest/dev/downloading-an-archive-two-steps.html
NEW QUESTION 303
A company has multiple AWS accounts with applications deployed in the us-west-2 Region Application logs are stored within Amazon S3 buckets in each account The company wants to build a centralized log analysis solution that uses a single S3 bucket Logs must not leave us-west-2. and the company wants to incur minimal operational overhead.
Which solution meets these requirements and is MOST cost-effective?
- A. Create an S3 Lifecycle policy that copies the objects from one of the application S3 buckets to the centralized S3 bucket
- B. Use S3 Same-Region Replication to replicate logs from the S3 buckets to another S3 bucket in us-west-2 Use this S3 bucket for log analysis.
- C. Write a script that uses the PutObject API operation every day to copy the entire contents of the buckets to another S3 bucket in us-west-2 Use this S3 bucket for log analysis.
- D. Write AWS Lambda functions in these accounts that are triggered every time logs are delivered to the S3 buckets (s3:ObjectCreated " event) Copy the logs to another S3 bucket in us-west-2 Use this S3 bucket for log analysis
Answer: A
NEW QUESTION 304
A company stores data in an Amazon Aurora PostgreSQL DB cluster. The company must store all the data for 5 years and must delete all the data after 5 years. The company also must indefinitely keep audit logs of actions that are performed within the database. Currently, the company has automated backups configured for Aurora.
Which combination of steps should a solutions architect take to meet these requirements? (Select TWO.)
- A. Configure automated backup retention for 5 years.
- B. Take a manual snapshot of the DB cluster.
- C. Create a lifecycle policy for the automated backups.
- D. Use AWS Backup to take the backups and to keep the backups for 5 years.
- E. Configure an Amazon CloudWatch Logs export for the DB cluster.
Answer: B,E
NEW QUESTION 305
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 intelligent-Tiering with an S3 Lifecycle rule to transition the object to S3 Standard-infrequent Access (S3 Standard-IA) after 30 days.
- C. Store all the objects in S3 Standard with an S3 Lifecycle rule to transition the object to S3 Giacier after
30 days. - D. 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.
Answer: B
NEW QUESTION 306
A company has a legacy application that processes data in two parts The second part of the process takes longer thanthe first, so the company has decided to rewrite the application as two microservices running on Amazon ECS that can scale independently.
How should a solutions architect integrate the microservices?
- A. Implement code in microservice 1 to publish data to an Amazon SNS topic Implement code in microservice 2 to subscribe to this topic
- B. Implement code in microservice 1 to send data to anAmazon S3 bucket. Use S3 event notifications to invoke microservice 2.
- C. Implement code in microservice 1 to send datato Amazon Kinesis Data Firehose. Implement code in microservice 2 to read from Kinesis Data Firehose.
- D. Implement code in microservice 1 to send data to an Amazon SQS queue Implement code in microservice 2 to process messages from the queue
Answer: D
NEW QUESTION 307
A company is building applications in containers.
The company wants to migrate its on-premises development and operations services from its on- premises data center to AWS.
Management states that production system must be cloud agnostic and use the same configuration and administrator tools across production systems.
A solutions architect needs to design a managed solution that will align open-source software.
Which solution meets these requirements?
- A. Launch the containers on Amazon Elastic Kubernetes Service (Amazon EKS) and EKS workers nodes.
- B. Launch the containers on Amazon Elastic Containers service (Amazon ECS) with AWS Fargate instances.
- C. Launch the containers on Amazon Elastic Container Service (Amazon EC) with Amazon EC2 instance worker nodes.
- D. Launch the containers on Amazon EC2 with EC2 instance worker nodes.
Answer: A
Explanation:
When talking about containerized applications, the leading technologies which will always come up during the conversation are Kubernetes and Amazon ECS (Elastic Container Service).
While Kubernetes is an open-sourced container orchestration platform that was originally developed by Google, Amazon ECS is AWS' proprietary, managed container orchestration service.
NEW QUESTION 308
A company is preparing to deploy a new serverless workload. A solutions architect needs to configure permissions for invoking an AWS Lambda function. The function will be triggered by an Amazon EventBridge (Amazon CloudWatch Events) rule. Permissions should be configured using the principle of least privilege.
Which solution will meet these requirements?
- A. Add an execution rote to the function with lambda;lnvokeFunction as the action and Service: eventsamazonaws.com as the principal.
- B. Add a resource-based policy to the function with lambda;InvokeFunction as the action and Service: events.amazonaws.com as the principal.
- C. Add an execution role to the function with lambda;lnvokeFunction as the action and * as the principal.
- D. Add a resource-based policy to the function with lambda;' as the action and Service: events.amazonaws.com as the principal.
Answer: D
NEW QUESTION 309
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Topics of Amazon SAA-C02 Exam
For the candidates to appear in the exam, they need to know the examination contents. This overview of material contains only weightings, test regions, and targets. The content of this examination is a detailed list. The following contents will be included in the AWS Solutions Architect Associate SAA-C02 Exam:
1. Resilient Architectures Design (30%)
This section constitutes of the following subtopics:
- Fault-tolerant/ High Availability architecture designing
- Using AWS services to design decoupling mechanisms
- Multi-tier architecture solution designing
- Choosing adequate storage that is resilient
2. High-Performing Architectures Designing (28%)
This section constitutes of the following subtopics:
- Identifying workload elastic and flexible computing solutions
- Selecting high-performing workload database solutions
- Picking high-performing workload networking solutions
- Picking options for high-performance and flexible storage for a workload
3. Secure Architectures and Application Designing (24%)
This section constitutes of the following subtopics:
- Selecting suitable options for data security
- Modeling safe access to resources from AWS
- Designing stable tiers of applications
4. Cost-Optimized Architectures Designing(18%)
This section constitutes of the following subtopics:
- Identification of cost-effective computing and database resources
- Building cost-optimized architectures for networks
- Identifying cost-effective options for storage
AWS SAA-C02 Exam Certification Details:
| Passing Score | 720 / 1000 |
| Recommended Training / Books | AWS Technical Essentials Architecting on AWS Architecting on AWS |
| Duration | 130 minutes |
| Exam Code | SAA-C02 |
| Schedule Exam | PEARSON VUE |
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