매달, 우리는 1000명 이상의 사람들이 시험 준비를 잘하고 시험을 잘 통과할 수 있도록 도와줍니다.
AWS Certified SysOps Administrator - Associate 온라인 연습
최종 업데이트 시간: 2025년06월24일
당신은 온라인 연습 문제를 통해 Amazon SOA-C02 시험지식에 대해 자신이 어떻게 알고 있는지 파악한 후 시험 참가 신청 여부를 결정할 수 있다.
시험을 100% 합격하고 시험 준비 시간을 35% 절약하기를 바라며 SOA-C02 덤프 (최신 실제 시험 문제)를 사용 선택하여 현재 최신 60개의 시험 문제와 답을 포함하십시오.
정답:
Explanation:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Cookies.html
You can configure each cache behavior to do one of the following: Forward all cookies to your origin C CloudFront includes all cookies sent by the viewer when it forwards requests to the origin. https://docs.aws.amazon.com/elasticloadbalancing/latest/application/sticky-sessions.html
By default, an Application Load Balancer routes each request independently to a registered target based on the chosen load-balancing algorithm.
정답:
Explanation:
To achieve maximum cost savings and flexibility for a 24/7 running application across different AWS regions and operating systems, the best approach is to use a Compute Savings Plan. Compute Savings Plans provide the most flexibility by automatically applying to any EC2 instance usage regardless of instance family, size, OS, tenancy, or AWS Region, and also apply to AWS Fargate and AWS Lambda usage.
Understand Compute Savings Plans:
Compute Savings Plans offer significant savings over On-Demand prices, with the flexibility to use the compute option that best suits your needs.
Purchase a Compute Savings Plan:
Login to the AWS Management Console.
Navigate to the Savings Plans section.
Choose Purchase Savings Plan and select Compute Savings Plan.
Define the hourly commitment amount and the term length (one or three years).
Monitor and Optimize Usage:
Ensure that your usage aligns with the Savings Plan to maximize savings.
Use AWS Cost Explorer and Savings Plans Utilization reports to monitor usage.
Savings Plans
Compute Savings Plans
정답:
Explanation:
To fix the "403 Forbidden - Access Denied" error when accessing a static website hosted on Amazon S3, you need to ensure that the objects in the bucket have the appropriate permissions for public access. Here’s how to do it:
Login to AWS Management Console:
Open the Amazon S3 console at Amazon S3 Console.
Navigate to the Bucket:
In the S3 console, select the bucket hosting the static website.
Add a Bucket Policy:
Go to the Permissions tab.
Choose Bucket Policy and add the following policy to grant public read access to all objects in the bucket:
{
"Version": "2012-10-17",
"Statement":
[
{
"Effect": "Allow",
"Principal": "*",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::your-bucket-name/*"
}
]
}
Save the Policy:
After adding the policy, save the changes.
This policy ensures that all objects in the bucket are publicly accessible, resolving the 403 Forbidden error.
Hosting a Static Website on Amazon S3
Bucket Policy Examples
정답:
Explanation:
https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/scaling-redis-cluster-mode-enabled.html As demand on your clusters changes, you might decide to improve performance or reduce costs by changing the number of shards in your Redis (cluster mode enabled) cluster. We recommend using online horizontal scaling to do so, because it allows your cluster to continue serving requests during the scaling process.
https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/redis-cluster-vertical-scaling-scaling-down.html
정답:
Explanation:
To ensure that database credentials are never stored in plaintext and the password is rotated every 30 days, use AWS Secrets Manager:
Store Credentials in Secrets Manager:
Open the AWS Secrets Manager console.
Click on "Store a new secret."
Select "RDS database credentials" and provide the necessary details (username, password, database instance).
Configure the secret's name and details.
Enable Automatic Rotation:
During the secret creation process, enable automatic rotation.
Specify an automatic rotation schedule of 30 days.
Choose the Lambda function that Secrets Manager will use to update the database password automatically.
Update Lambda Functions:
Update each Lambda function to retrieve the database password from Secrets Manager.
Use the AWS SDK in your Lambda code to access Secrets Manager and fetch the secret value.
AWS Secrets Manager
Rotating AWS Secrets Manager Secrets
Retrieve Secrets from AWS Lambda
정답:
Explanation:
The connectivity issues could be due to:
Security Group Ingress Rules:
Ensure that the security group for the RDS database has the correct ingress rules allowing traffic from the web server’s security group or IP address.
Go to the RDS console, select your database instance, and check the security groups.
In the security group settings, verify that the correct port (usually 3306 for MySQL) is open for the web server's IP or security group.
Port Configuration:
Verify that the application is configured to use the correct port that matches the RDS database configuration.
Check the application configuration files to ensure the port number matches the port specified in the RDS instance.
Amazon RDS Security Groups
Troubleshooting RDS Connectivity
정답: B
Explanation:
"A certificate is eligible for automatic renewal subject to the following considerations: ELIGIBLE if associated with another AWS service, such as Elastic Load Balancing or CloudFront. ELIGIBLE if exported since being issued or last renewed. ELIGIBLE if it is a private certificate issued by calling the ACM RequestCertificate API and then exported or associated with another AWS service. ELIGIBLE if it is a private certificate issued through the management console and then exported or associated with another AWS service." https://docs.aws.amazon.com/acm/latest/userguide/managed-renewal.html
정답:
Explanation:
You might want to use Transfer Acceleration on a bucket for various reasons: ->Your customers upload to a centralized bucket from all over the world. ->You transfer gigabytes to terabytes of data on a regular basis across continents. ->You can't use all of your available bandwidth over the internet when uploading to Amazon S3." https://docs.aws.amazon.com/AmazonS3/latest/userguide/transfer-acceleration.html
정답:
Explanation:
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resource-record-sets-choosing-alias-non-alias.html
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/routing-to-elb-load-balancer.html
정답:
Explanation:
When encountering an InstanceLimitExceeded error, this indicates that you have reached your account limit for the number of EC2 instances.
Use Service Quotas:
Open the Service Quotas console.
In the navigation pane, choose "AWS services" and then "Amazon EC2."
Select the quota you want to increase, such as "Running On-Demand Standard (A, C, D, H, I, M, R, T, Z) instances."
Click on "Request quota increase."
Fill in the required information, specifying the new quota value.
Submit the request.
Launch Instances After Approval: Once the quota increase is approved, you will be able to launch additional instances.
EC2 Service Quotas
Service Quotas Console
정답:
Explanation:
To automate restarting an EC2 instance when it uses an entire processor and runs at 100% for more than 2 minutes, follow these steps:
Enable Detailed Monitoring: Ensure that your EC2 instance has detailed monitoring enabled. This provides data at 1-minute intervals, which is necessary for setting a CloudWatch alarm based on CPU usage.
Create a CloudWatch Alarm:
Go to the CloudWatch console.
Click on "Alarms" and then "Create Alarm."
Select "EC2 Metrics" and choose the instance for which you want to create the alarm.
Select the CPU utilization metric.
Set the threshold type to static and define the threshold (e.g., CPU utilization > 90% for 2 consecutive periods of 1 minute each).
Configure the alarm actions to specify the action to take when the alarm state is triggered. Choose the "EC2 action" and then "Reboot instance."
Review and Create: Review the settings and create the alarm.
Amazon CloudWatch Alarms
Amazon EC2 Monitoring
정답:
Explanation:
https://aws.amazon.com/premiumsupport/knowledge-center/ec2-ri-consolidated-billing/
RI discounts apply to accounts in an organization's consolidated billing family depending upon whether RI sharing is turned on or off for the accounts. By default, RI sharing for all accounts in an organization is turned on. The management account of an organization can change this setting by turning off RI sharing for an account. The capacity reservation for an RI applies only to the account the RI was purchased on, no matter whether RI sharing is turned on or off.
정답:
Explanation:
To reduce latency in data transfer among EC2 instances, especially in high-performance computing (HPC) applications or applications requiring low network latency, using a placement group is the best approach:
Understanding Placement Groups:
A placement group in Amazon EC2 is a logical grouping of instances within a single Availability Zone.
Using placement groups, you can achieve low-latency network performance necessary for tightly coupled node-to-node communication.
Types of Placement Groups:
Cluster Placement Group: Instances are physically located close together in the same Availability Zone to provide low-latency network performance.
Partition Placement Group: Instances are divided into logical segments called partitions, reducing the likelihood of simultaneous failures.
Spread Placement Group: Instances are placed on distinct underlying hardware to reduce correlated failures.
Creating and Using a Placement Group:
You can create a placement group using the AWS Management Console, AWS CLI, or AWS SDKs. When launching instances, specify the placement group to ensure they are launched within the same group.
aws ec2 create-placement-group --group-name my-placement-group --strategy cluster
aws ec2 run-instances --image-id ami-12345678 --count 4 --instance-type c5.large --placement
GroupName=my-placement-group
Relocating Existing Instances:
Stop the instances, modify the placement group settings, and then restart them. Note that not all instance types are supported within placement groups, so check the documentation for compatibility.
Placement Groups
Cluster Instances for Low-Latency
정답:
Explanation:
Implement an Amazon CloudFront distribution to offload the traffic from the Auto Scaling group does not breach the requirement of no changes in the network infrastructure. Reason is that cloudfront is a distribution that allows you to distribute content using a worldwide network of edge locations that provide low latency and high data transfer speeds. It plug in to existing setup, not changes to it.
정답: D
Explanation:
To enforce MFA for API calls using the AWS CLI, the users must use temporary security credentials obtained through the get-session-token command. Here’s how to do it: Enable MFA for IAM Users:
Ensure that MFA is enabled and properly configured for each IAM user.
Configure IAM Policy for MFA Enforcement:
Attach an IAM policy that denies API calls unless MFA is used. This policy should be attached to all users.
Obtain Temporary Security Credentials Using MFA:
Users need to use the aws sts get-session-token command to obtain temporary credentials. This command requires the MFA token.
sh
Copy code
aws sts get-session-token --serial-number arn:aws:iam::123456789012:mfa/user --token-code 123456
Use Temporary Credentials for API Calls:
After obtaining the temporary credentials, set them as environment variables or configure them in the AWS CLI profile to make API calls.
export AWS_ACCESS_KEY_ID=...
export AWS_SECRET_ACCESS_KEY=...
export AWS_SESSION_TOKEN=...
Enabling MFA for IAM Users
Using Temporary Security Credentials
AWS CLI get-session-token