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Download Amazon AWS Certified Solutions Architect - Associate (SAA-C03) Exam Exam Dumps
NEW QUESTION 24
A healthcare company stores sensitive patient health records in their on-premises storage systems.
These records must be kept indefinitely and protected from any type of modifications once they are stored. Compliance regulations mandate that the records must have granular access control and each data access must be audited at all levels. Currently, there are millions of obsolete records that are not accessed by their web application, and their on-premises storage is quickly running out of space. The Solutions Architect must design a solution to immediately move existing records to AWS and support the ever-growing number of new health records.
Which of the following is the most suitable solution that the Solutions Architect should implement to meet the above requirements?
Answer: D
Explanation:
AWS Storage Gateway is a set of hybrid cloud services that gives you on-premises access to virtually unlimited cloud storage. Customers use Storage Gateway to integrate AWS Cloud storage with existing on-site workloads so they can simplify storage management and reduce costs for key hybrid cloud storage use cases. These include moving backups to the cloud, using on-premises file shares backed by cloud storage, and providing low latency access to data in AWS for on-premises applications.
AWS DataSync is an online data transfer service that simplifies, automates, and accelerates moving data between on-premises storage systems and AWS Storage services, as well as between AWS Storage services. You can use DataSync to migrate active datasets to AWS, archive data to free up on- premises storage capacity, replicate data to AWS for business continuity, or transfer data to the cloud for analysis and processing.
Both AWS Storage Gateway and AWS DataSync can send data from your on-premises data center to AWS and vice versa. However, AWS Storage Gateway is more suitable to be used in integrating your storage services by replicating your data while AWS DataSync is better for workloads that require you to move or migrate your data.
You can also use a combination of DataSync and File Gateway to minimize your on-premises infrastructure while seamlessly connecting on-premises applications to your cloud storage. AWS DataSync enables you to automate and accelerate online data transfers to AWS storage services. File Gateway is a fully managed solution that will automate and accelerate the replication of data between the on-premises storage systems and AWS storage services.
AWS CloudTrail is an AWS service that helps you enable governance, compliance, and operational and risk auditing of your AWS account. Actions taken by a user, role, or an AWS service are recorded as events in CloudTrail. Events include actions taken in the AWS Management Console, AWS Command Line Interface, and AWS SDKs and APIs.
There are two types of events that you configure your CloudTrail for:
- Management Events
- Data Events
Management Events provide visibility into management operations that are performed on resources in your AWS account. These are also known as control plane operations. Management events can also include non-API events that occur in your account.
Data Events, on the other hand, provide visibility into the resource operations performed on or within a resource. These are also known as data plane operations. It allows granular control of data event logging with advanced event selectors. You can currently log data events on different resource types such as Amazon S3 object-level API activity (e.g. GetObject, DeleteObject, and PutObject API operations), AWS Lambda function execution activity (the Invoke API), DynamoDB Item actions, and many more.
With S3 Object Lock, you can store objects using a write-once-read-many (WORM) model. Object Lock can help prevent objects from being deleted or overwritten for a fixed amount of time or indefinitely. You can use Object Lock to help meet regulatory requirements that require WORM storage or to simply add another layer of protection against object changes and deletion.
You can record the actions that are taken by users, roles, or AWS services on Amazon S3 resources and maintain log records for auditing and compliance purposes. To do this, you can use server access logging, AWS CloudTrail logging, or a combination of both. AWS recommends that you use AWS CloudTrail for logging bucket and object-level actions for your Amazon S3 resources.
Hence, the correct answer is: Set up AWS DataSync to move the existing health records from the on- premises network to the AWS Cloud. Launch a new Amazon S3 bucket to store existing and new records. Enable AWS CloudTrail with Data Events and Amazon S3 Object Lock in the bucket.
The option that says: Set up AWS Storage Gateway to move the existing health records from the on- premises network to the AWS Cloud. Launch a new Amazon S3 bucket to store existing and new records. Enable AWS CloudTrail with Management Events and Amazon S3 Object Lock in the bucket is incorrect. The requirement explicitly says that the Solutions Architect must immediately move the existing records to AWS and not integrate or replicate the data. Using AWS DataSync is a more suitable service to use here since the primary objective is to migrate or move data. You also have to use Data Events here and not Management Events in CloudTrail, to properly track all the data access and changes to your objects.
The option that says: Set up AWS Storage Gateway to move the existing health records from the on- premises network to the AWS Cloud. Launch an Amazon EBS-backed EC2 instance to store both the existing and new records. Enable Amazon S3 server access logging and S3 Object Lock in the bucket is incorrect. Just as mentioned in the previous option, using AWS Storage Gateway is not a recommended service to use in this situation since the objective is to move the obsolete data. Moreover, using Amazon EBS to store health records is not a scalable solution compared with Amazon S3. Enabling server access logging can help audit the stored objects. However, it is better to CloudTrail as it provides more granular access control and tracking.
The option that says: Set up AWS DataSync to move the existing health records from the on-premises network to the AWS Cloud. Launch a new Amazon S3 bucket to store existing and new records. Enable AWS CloudTrail with Management Events and Amazon S3 Object Lock in the bucket is incorrect.
Although it is right to use AWS DataSync to move the health records, you still have to configure Data Events in AWS CloudTrail and not Management Events. This type of event only provides visibility into management operations that are performed on resources in your AWS account and not the data events that are happening in the individual objects in Amazon S3. References:
https://aws.amazon.com/datasync/faqs/
https://aws.amazon.com/about-aws/whats-new/2020/12/aws-cloudtrail-provides-more-granular-control-of
-data-event-logging/
https://docs.aws.amazon.com/AmazonS3/latest/userguide/object-lock.html
Check out this AWS DataSync Cheat Sheet:
https://tutorialsdojo.com/aws-datasync/
AWS Storage Gateway vs DataSync:
https://www.youtube.com/watch?v=tmfe1rO-AUs
NEW QUESTION 25
A company has a cloud architecture that is composed of Linux and Windows EC2 instances that process high volumes of financial data 24 hours a day, 7 days a week. To ensure high availability of the systems, the Solutions Architect needs to create a solution that allows them to monitor the memory and disk utilization metrics of all the instances.
Which of the following is the most suitable monitoring solution to implement?
Answer: C
Explanation:
Amazon CloudWatch has available Amazon EC2 Metrics for you to use for monitoring CPU utilization, Network utilization, Disk performance, and Disk Reads/Writes. In case you need to monitor the below items, you need to prepare a custom metric using a Perl or other shell script, as there are no ready to use metrics for:
Memory utilization
Disk swap utilization
Disk space utilization
Page file utilization
Log collection
Take note that there is a multi-platform CloudWatch agent which can be installed on both Linux and Windows-based instances. You can use a single agent to collect both system metrics and log files from Amazon EC2 instances and on-premises servers. This agent supports both Windows Server and Linux and enables you to select the metrics to be collected, including sub-resource metrics such as per-CPU core. It is recommended that you use the new agent instead of the older monitoring scripts to collect metrics and logs.
Hence, the correct answer is: Install the CloudWatch agent to all the EC2 instances that gathers the memory and disk utilization data. View the custom metrics in the Amazon CloudWatch console.
The option that says: Use the default CloudWatch configuration to EC2 instances where the memory and disk utilization metrics are already available. Install the AWS Systems Manager (SSM) Agent to all the EC2 instances is incorrect because, by default, CloudWatch does not automatically provide memory and disk utilization metrics of your instances. You have to set up custom CloudWatch metrics to monitor the memory, disk swap, disk space, and page file utilization of your instances.
The option that says: Enable the Enhanced Monitoring option in EC2 and install CloudWatch agent to all the EC2 instances to be able to view the memory and disk utilization in the CloudWatch dashboard is incorrect because Enhanced Monitoring is a feature of Amazon RDS. By default, Enhanced Monitoring metrics are stored for 30 days in the CloudWatch Logs.
The option that says: Use Amazon Inspector and install the Inspector agent to all EC2 instances is incorrect because Amazon Inspector is an automated security assessment service that helps you test the network accessibility of your Amazon EC2 instances and the security state of your applications running on the instances. It does not provide a custom metric to track the memory and disk utilization of each and every EC2 instance in your VPC.
References:
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/monitoring_ec2.html
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/mon-scripts.html#using_put_script
Check out this Amazon CloudWatch Cheat Sheet:
https://tutorialsdojo.com/amazon-cloudwatch/
CloudWatch Agent vs SSM Agent vs Custom Daemon Scripts: https://tutorialsdojo.com/cloudwatch-agent-vs-ssm-agent-vs-custom-daemon-scripts/
Comparison of AWS Services Cheat Sheets:
https://tutorialsdojo.com/comparison-of-aws-services/
NEW QUESTION 26
A popular mobile game uses CloudFront, Lambda, and DynamoDB for its backend services. The player data is persisted on a DynamoDB table and the static assets are distributed by CloudFront.
However, there are a lot of complaints that saving and retrieving player information is taking a lot of time.
To improve the game's performance, which AWS service can you use to reduce DynamoDB response times from milliseconds to microseconds?
Answer: A
Explanation:
Amazon DynamoDB Accelerator (DAX) is a fully managed, highly available, in-memory cache that can reduce Amazon DynamoDB response times from milliseconds to microseconds, even at millions of requests per second.
Amazon ElastiCache is incorrect because although you may use ElastiCache as your database cache, it will not reduce the DynamoDB response time from milliseconds to microseconds as compared with DynamoDB DAX.
AWS Device Farm is incorrect because this is an app testing service that lets you test and interact with your Android, iOS, and web apps on many devices at once, or reproduce issues on a device in real time.
DynamoDB Auto Scaling is incorrect because this is primarily used to automate capacity management for your tables and global secondary indexes.
References:
https://aws.amazon.com/dynamodb/dax
https://aws.amazon.com/device-farm
Check out this Amazon DynamoDB Cheat Sheet:
https://tutorialsdojo.com/amazon-dynamodb/
NEW QUESTION 27
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