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Amazon SOA-C02 (AWS Certified SysOps Administrator - Associate) Exam is an industry-recognized certification offered by Amazon Web Services (AWS) for professionals who want to validate their knowledge and skills in managing and deploying scalable and fault-tolerant systems on the AWS platform. AWS Certified SysOps Administrator - Associate (SOA-C02) certification is designed for system administrators who are responsible for managing and deploying AWS resources, implementing and managing data storage, and monitoring and optimizing the performance of AWS applications.
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NEW QUESTION # 212
A company wants to track its AWS costs in all member accounts that are part of an organization in AWS Organizations. Managers of the member accounts want to receive a notification when the estimated costs exceed a predetermined amount each month. The managers are unable to configure a billing alarm. The IAM permissions for all users are correct.
What could be the cause of this issue?
Answer: B
Explanation:
For member accounts in AWS Organizations to receive notifications about estimated costs exceeding a predetermined amount, billing alerts must be enabled in the management/payer account.
* Enable Billing Alerts in the Management Account:
* Open the AWS Billing and Cost Management console at AWS Billing Console.
* In the navigation pane, choose Billing preferences.
* Under Billing preferences, ensure that Receive Billing Alerts is enabled.
* Create a Budget and Set Up Notifications:
* Open the AWS Budgets console at AWS Budgets Console.
* Create a budget and configure it to monitor the estimated costs.
* Set up notifications for when the budget thresholds are exceeded and specify the email addresses of the managers in the member accounts.
By enabling billing alerts in the management account, you allow member accounts to receive notifications about their estimated costs.
Setting Up Alerts and Notifications
Creating an AWS Budget
NEW QUESTION # 213
The SysOps administrator finds that users can no longer download a file from an S3 presigned URL after a few days.
Options (Select TWO):
Answer: B,D
Explanation:
Several factors can affect the availability of an S3 object through a presigned URL:
Expiration of Presigned URL: A presigned URL is valid only until its specified expiration time. Once expired, it becomes inaccessible.
Invalid Access Key: If the access key of the SysOps administrator who generated the presigned URL is revoked or rotated, the URL will no longer be valid.
Other options like enabling Block Public Access or changing the object ACL to All Users are not necessary for presigned URLs, as these URLs temporarily grant access regardless of public bucket settings.
NEW QUESTION # 214
A company uses Amazon Elasticsearch Service (Amazon ES) to analyze sales and customer usage data.
Members of the company's geographically dispersed sales team are traveling.
They need to log in to Kibana by using their existing corporate credentials that are stored in Active Directory.
The company has deployed Active Directory Federation Services (AD FS) to enable authentication to cloud services.
Which solution will meet these requirement?
Answer: A
Explanation:
https://aws.amazon.com/blogs/security/how-to-enable-secure-access-to-kibana-usingaws- singlesign-on/
NEW QUESTION # 215
A company migrated an I/O intensive application to an Amazon EC2 general purpose instance. The EC2 instance has a single General Purpose SSD Amazon Elastic Block Store (Amazon EBS) volume attached.
Application users report that certain actions that require intensive reading and writing to the disk are taking much longer than normal or are failing completely. After reviewing the performance metrics of the EBS volume, a SysOps administrator notices that the VolumeQueueLength metric is consistently high during the same times in which the users are reporting issues. The SysOps administrator needs to resolve this problem to restore full performance to the application.
Which action will meet these requirements?
Answer: D
Explanation:
Step-by-Step Explanation:
* Understand the Problem:
* An I/O intensive application on an Amazon EC2 general purpose instance is experiencing performance issues.
* Users report delays or failures during intensive read/write operations.
* The VolumeQueueLength metric is consistently high during these periods.
* Analyze the Requirements:
* Address the high VolumeQueueLength, which indicates that the EBS volume is unable to handle the I/O requests efficiently.
* Improve the disk I/O performance to restore full application performance.
* Evaluate the Options:
* Option A: Modify the instance type to be storage optimized.
* Storage optimized instances are designed for workloads that require high, sequential read and write access to large data sets on local storage.
* This could help, but if the issue is primarily with EBS volume performance, increasing IOPS would be a more direct solution.
* Option B: Modify the volume properties by deselecting Auto-Enable Volume I/O.
* Auto-Enable Volume I/O is a setting that automatically enables I/O for the EBS volume after an event such as a snapshot restore.
* Deselecting this option will not address the issue of high I/O demand.
* Option C: Modify the volume properties to increase the IOPS.
* Increasing the IOPS (Input/Output Operations Per Second) will directly address the high VolumeQueueLength by allowing the volume to handle more I/O operations concurrently.
* This is the most effective and direct solution to improve the performance of I/O intensive tasks.
* Option D: Modify the instance to enable enhanced networking.
* Enhanced networking provides higher bandwidth, higher packet per second (PPS) performance, and consistently lower inter-instance latencies.
* While beneficial for network performance, this does not directly impact the EBS volume's I/O performance.
* Select the Best Solution:
* Option C: Modifying the volume properties to increase the IOPS directly addresses the high VolumeQueueLength and improves the EBS volume's ability to handle intensive read/write operations.
References:
* Amazon EBS Volume Types
* Amazon EBS Volume Performance
* Optimizing EBS Performance
Increasing the IOPS of the EBS volume ensures that the application can handle the required intensive read/write operations more efficiently, directly addressing the high VolumeQueueLength and restoring full performance.
NEW QUESTION # 216
A company has an Amazon EC2 instance that has high CPU utilization. The EC2 instance is a t3.large instance and is running a test web application. The company discovers that the web application would operate better on a compute optimized large instance.
What should a SysOps administrator do to make this change?
Answer: A
Explanation:
To change an EC2 instance type (e.g., from t3.large to c5.large):
You must stop the instance, change the instance type, then start it again.
From EC2 instance resize documentation:
Changing the instance type requires stopping and starting the instance, unless you're using Elastic Beanstalk or Auto Scaling groups with launch templates.
NEW QUESTION # 217
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