SOA-C02 AWS Certified SysOps Administrator - Associate (SOA-C02) Question and Answers

A company requires that all IAM user accounts that have not been used for 90 days or more must have their access keys and passwords immediately disabled A SysOps administrator must automate the process of disabling unused keys using the MOST operationally efficient method.

How should the SysOps administrator implement this solution?

A company uses AWS Organizations to manage its multi-account environment. The organization contains a dedicated account for security and a dedicated account for logging. A SysOps administrator needs to implement a centralized solution that provides alerts when a resource metric in any account crosses a standard defined threshold.

Which solution will meet these requirements?

A company is running a flash sale on its website. The website is hosted on burstable performance Amazon EC2 instances in an Auto Scaling group. The Auto Scaling group is configured to launch instances when the CPU utilization is above 70%.

A couple of hours into the sale, users report slow load times and error messages for refused connections. A SysOps administrator reviews Amazon CloudWatch metrics and notices that the CPU utilization is at 20% across the entire fleet of instances.

The SysOps administrator must restore the website's functionality without making changes to the network infrastructure.

Which solution will meet these requirements?

A company hosts a web application on an Amazon EC2 instance in a production VPC. Client connections to the application are failing. A SysOps administrator inspects the VPC flow logs and finds the following entry:

2 111122223333 eni-<###> 192.0.2.15 203.0.113.56 40711 443 6 1 40 1418530010 1418530070 REJECT OK

What is a possible cause of these failed connections?

A SysOps administrator is unable to authenticate an AWS CLI call to an AWS service

Which of the following is the cause of this issue?

If your AWS Management Console browser does not show that you are logged in to an AWS account, close the browser and relaunch the

console by using the AWS Management Console shortcut from the VM desktop.

If the copy-paste functionality is not working in your environment, refer to the instructions file on the VM desktop and use Ctrl+C, Ctrl+V or Command-C , Command-V.

Configure Amazon EventBridge to meet the following requirements.

1. use the us-east-2 Region for all resources,

2. Unless specified below, use the default configuration settings.

3. Use your own resource naming unless a resource

name is specified below.

4. Ensure all Amazon EC2 events in the default event

bus are replayable for the past 90 days.

5. Create a rule named RunFunction to send the exact message every 1 5 minutes to an existing AWS Lambda function named LogEventFunction.

6. Create a rule named SpotWarning to send a notification to a new standard Amazon SNS topic named TopicEvents whenever an Amazon EC2

Spot Instance is interrupted. Do NOT create any topic subscriptions. The notification must match the following structure:

Input Path:

{“instance” : “$.detail.instance-id”}

Input template:

“ The EC2 Spot Instance has been on account.

You need to update an existing AWS CloudFormation stack. If needed, a copy to the CloudFormation template is available in an Amazon SB bucket named cloudformation-bucket

1. Use the us-east-2 Region for all resources.

2. Unless specified below, use the default configuration settings.

3. update the Amazon EQ instance named Devinstance by making the following changes to the stack named 1700182:

a) Change the EC2 instance type to us-east-t2.nano.

b) Allow SSH to connect to the EC2 instance from the IP address range

192.168.100.0/30.

c) Replace the instance profile IAM role with IamRoleB.

4. Deploy the changes by updating the stack using the CFServiceR01e role.

5. Edit the stack options to prevent accidental deletion.

6. Using the output from the stack, enter the value of the Prodlnstanceld in the text box below:

A webpage is stored in an Amazon S3 bucket behind an Application Load Balancer (ALB). Configure the SS bucket to serve a static error page in the event of a failure at the primary site.

1. Use the us-east-2 Region for all resources.

2. Unless specified below, use the default configuration settings.

3. There is an existing hosted zone named lab-

751906329398-26023898.com that contains an A record with a simple routing policy that routes traffic to an existing ALB.

4. Configure the existing S3 bucket named lab-751906329398-26023898.com as a static hosted website using the object named index.html as the index document

5. For the index-html object, configure the S3 ACL to allow for public read access. Ensure public access to the S3 bucketjs allowed.

6. In Amazon Route 53, change the A record for domain lab-751906329398-26023898.com to a primary record for a failover routing policy. Configure the record so that it evaluates the health of the ALB to determine failover.

7. Create a new secondary failover alias record for the domain lab-751906329398-26023898.com that routes traffic to the existing 53 bucket.

A company has several business units that want to use Amazon EC2. The company wants to require all business units to provision their EC2 instances by using only approved EC2 instance configurations.

What should a SysOps administrator do to implement this requirement?

A SysOps administrator is unable to launch Amazon EC2 instances into a VPC because there are no available private IPv4 addresses in the VPC. Which combination of actions must the SysOps administrator take to launch the instances? (Select TWO.)

A company needs to view a list of security groups that are open to the internet on port 3389.

What should a SysOps administrator do to meet this requirement?

A SysOps administrator has enabled AWS CloudTrail in an AWS account If CloudTrail is disabled it must be re-enabled immediately What should the SysOps administrator do to meet these requirements WITHOUT writing custom code''

A company has an application that collects notifications from thousands of alarm systems. The notifications include alarm notifications and information notifications. The information notifications include the system arming processes, disarming processes, and sensor status.

All notifications are kept as messages in an Amazon Simple Queue Service (Amazon SQS) queue. Amazon EC2 instances that are in an Auto Scaling group process the messages. A SysOps administrator needs to implement a solution that prioritizes alarm notifications over information notifications.

Which solution will meet these requirements?

A SysOos administrator s tasked with analyzing database performance. The database runs on a single Amazon RDS D6 instance. The SysOps administrator finds that, during times of peak traffic, resources on the database are over utilized due to the amount of read traffic.

Which actions should the SysOps administrator take to improve RDS performance? (Select TWO.)

A company hosts a web application on an Amazon EC2 instance. The web server logs are published to Amazon CloudWatch Logs. The log events have the same structure and include the HTTP response codes that are associated with the user requests. The company needs to monitor the number of times that the web server returns an HTTP 404 response.

What is the MOST operationally efficient solution that meets these requirements?

The security team is concerned because the number of AWS Identity and Access Management (IAM) policies being used in the environment is increasing. The team tasked a SysOps administrator to report on the current number of IAM policies in use and the total available IAM policies.

Which AWS service should the administrator use to check how current IAM policy usage compares to current service limits?

A company is partnering with an external vendor to provide data processing services. For this integration, the vendor must host the company's data in an Amazon S3 bucket in the vendor's AWS account. The vendor is allowing the company to provide an AWS Key Management Service (AWS KMS) key to encrypt the company's data. The vendor has provided an IAM role Amazon Resource Name (ARN) to the company for this integration.

What should a SysOps administrator do to configure this integration?

A SysOps administrator launches an Amazon EC2 instance in a private subnet of a VPC. When the SysOps administrator attempts a curl command from the command line of the EC2 instance, the SysOps administrator cannot connect to https:www.example.com.

What should the SysOps administrator do to resolve this issue?

A SysOps administrator is reviewing AWS Trusted Advisor recommendations. The SysOps administrator notices that all the application servers for a finance application are listed in the Low Utilization Amazon EC2 Instances check. The application runs on three instances across three Availability Zones. The SysOps administrator must reduce the cost of running the application without affecting the application's availability or design.

Which solution will meet these requirements?

A user is connected to an Amazon EC2 instance in a private subnet. The user is unable to access the internet from the instance by using the following curl command: curl http:/www.example.com.

A SysOps administrator reviews the VPC configuration and learns the following information:

• The private subnet has a route to a NAT gateway for CIDR 0.0.0.0/0

• The outbound security group for the EC2 instance contains one rule: outbound for port 443 to CIDR 0.0.0.0/0

• The inbound security group for the EC2 instance allows ports 22 and 443 from the user's IP address.

• The inbound network ACL for the subnet allows port 22 and port range 1024-65535 from CIDR 0.0.0.0/0

Which action will allow the user to complete the curl request successfully?

A SysOps Administrator is managing a web application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances run in an

EC2 Auto Scaling group. The administrator wants to set an alarm for when all target instances associated with the ALB are unhealthy.

Which condition should be used with the alarm?

An application is deployed in a VPC in both the us-east-2 and eu-west-1 Regions. A significant amount of data needs to be transferred between the two Regions. What is the MOST cost-effective way to set up the data transfer?

A SysOps administrator needs to design a high-traffic static website. The website must be highly available and must provide the lowest possible latency to users across the globe.

Which solution will meet these requirements?

A SysOps administrator created an AWS Cloud Formation template that provisions Amazon EC2 instances, an Elastic Load Balancer (ELB), and an Amazon RDS DB instance. During stack creation, the creation of the EC2 instances and the creation of the ELB are successful. However, the creation of the DB instance fails.

What is the default behavior of CloudFormation in this scenario?

A SysOps administrator has launched a large general purpose Amazon EC2 instance to regularly process large data files. The instance has an attached 1 TB General Purpose SSD (gp2) Amazon Elastic Block Store (Amazon EBS) volume. The instance also is EBS-optimized. To save costs, the SysOps administrator stops the instance each evening and restarts the instance each morning.

When data processing is active, Amazon CloudWatch metrics on the instance show a consistent 3.000 VolumeReadOps. The SysOps administrator must improve the I/O performance while ensuring data integrity.

Which action will meet these requirements?

A company hosts an online shopping portal in the AWS Cloud. The portal provides HTTPS security by using a TLS certificate on an Elastic Load Balancer (ELB). Recently, the portal suffered an outage because the TLS certificate expired. A SysOps administrator must create a solution to automatically renew certificates to avoid this issue in the future.

What is the MOST operationally efficient solution that meets these requirements?

A company’s reporting job that used to run in 15 minutes is now taking an hour to run. An application generates the reports. The application runs on Amazon EC2 instances and extracts data from an Amazon RDS for MySQL database.

A SysOps administrator checks the Amazon CloudWatch dashboard for the RDS instance and notices that the Read IOPS metrics are high, even when the reports are not running. The SysOps administrator needs to improve the performance and the availability of the RDS instance.

Which solution will meet these requirements?

A company has an AWS Site-to-Site VPN connection between on-premises resources and resources that are hosted in a VPC. A SysOps administrator launches an Amazon EC2 instance that has only a private IP address into a private subnet in the VPC. The EC2 instance runs Microsoft Windows Server.

A security group for the EC2 instance has rules that allow inbound traffic from the on-premises network over the VPN connection. The on-premises environment contains a third-party network firewall. Rules in the third-party network firewall allow Remote Desktop Protocol (RDP) traffic to flow between the on-premises users over the VPN connection.

The on-premises users are unable to connect to the EC2 instance and receive a timeout error.

What should the SysOps administrator do to troubleshoot this issue?

An application runs on multiple Amazon EC2 instances in an Auto Scaling group The Auto Scaling group is configured to use the latest version of a launch template A SysOps administrator must devise a solution that centrally manages the application logs and retains the logs for no more than 90 days

Which solution will meet these requirements?

A company's SysOps administrator deploys a public Network Load Balancer (NLB) in front of the company's web application. The web application does not use any Elastic IP addresses. Users must access the web application by using the company's domain name. The SysOps administrator needs to configure Amazon Route 53 to route traffic to the NLB.

Which solution will meet these requirements MOST cost-effectively?

A company hosts a web application on Amazon EC2 instances behind an Application Load Balancer (ALB). The company uses Amazon Route 53 to route traffic.

The company also has a static website that is configured in an Amazon S3 bucket.

A SysOps administrator must use the static website as a backup to the web application. The failover to the static website must be fully automated.

Which combination of actions will meet these requirements? (Choose two.)

ASysOps administrator configures an application to run on Amazon EC2 instances behind an Application Load Balancer (ALB) in a simple scaling Auto Scaling group with the default settings. The Auto Scaling group is configured to use the RequestCountPerTarget metric for scaling. The SysOps administrator notices that the RequestCountPerTarget metric exceeded the specified limit twice in 180 seconds.

How will the number of EC2 instances in this Auto Scaling group be affected in this scenario?

A company stores critical data m Amazon S3 buckets. A SysOps administrator must build a solution to record all S3 API activity. Which action will meet this requirement?

A SysOps administrator needs to configure the Amazon Route 53 hosted zone for example.com and www.example.com to point to an Application Load Balancer (ALB). Which combination of actions should the SysOps administrator take to meet these requirements? (Select TWO.)

A company is trying to connect two applications. One application runs in an on-premises data center that has a hostname of hostl .onprem.private. The other application runs on an Amazon EC2 instance that has a hostname of hostl.awscloud.private. An AWS Site-to-Site VPN connection is in place between the on-premises network and AWS.

The application that runs in the data center tries to connect to the application that runs on the EC2 instance, but DNS resolution fails. A SysOps administrator must implement DNS resolution between on-premises and AWS resources.

Which solution allows the on-premises application to resolve the EC2 instance hostname?

An environment consists of 100 Amazon EC2 Windows instances The Amazon CloudWatch agent Is deployed and running on at EC2 instances with a baseline configuration file to capture log files There is a new requirement to capture the DHCP tog tiles that exist on 50 of the instances

What is the MOST operational efficient way to meet this new requirement?

A company is using AWS Certificate Manager (ACM) to manage public SSL/TLS certificates. A SysOps administrator needs to send an email notification when a certificate has less than 14 days until expiration.

Which solution will meet this requirement with the LEAST operational overhead?

A company runs workloads on 90 Amazon EC2 instances in the eu-west-1 Region in an AWS account. In 2 months, the company will migrate the workloads from eu-west-1 to the eu-west-3 Region.

The company needs to reduce the cost of the EC2 instances. The company is willing to make a 1-year commitment that will begin next week. The company must choose an EC2 Instance purchasing option that will provide discounts for the 90 EC2 Instances regardless of Region during the 1-year period.

Which solution will meet these requirements?

A large company is using AWS Organizations to manage its multi-account AWS environment. According to company policy, all users should have read-level access to a particular Amazon S3 bucket in a central account. The S3 bucket data should not be available outside the organization. A SysOps administrator must set up the permissions and add a bucket policy to the S3 bucket.

Which parameters should be specified to accomplish this in the MOST efficient manner?

A SysOps administrator is configuring an application on Amazon EC2 instances for a company Teams in other countries will use the application over the internet. The company requires the application endpoint to have a static pubic IP address.

How should the SysOps administrator deploy the application to meet this requirement?

A SysOps administrator is trying to set up an Amazon Route 53 domain name to route traffic to a website hosted on Amazon S3. The domain name of the website is www.anycompany.com and the S3 bucket name is anycompany-static. After the record set is set up in Route 53, the domain name www.anycompany.com does not seem to work, and the static website is not displayed in the browser.

Which of the following is a cause of this?

A company needs to restrict access to an Amazon S3 bucket to Amazon EC2 instances in a VPC only. All traffic must be over the AWS private network.

What actions should the SysOps administrator take to meet these requirements?

A company plans to migrate several of its high performance computing (MPC) virtual machines (VMs) to Amazon EC2 instances on AWS. A SysOps administrator must identify a placement group for this deployment. The strategy must minimize network latency and must maximize network throughput between the HPC VMs.

Which strategy should the SysOps administrator choose to meet these requirements?

A SysOps administrator creates an AWS CloudFormation template to define an application stack that can be deployed in multiple AWS Regions.

The SysOps administrator also creates an Amazon CloudWatch dashboard by using the AWS Management Console. Each deployment of the application requires its own CloudWatch dashboard.

How can the SysOps administrator automate the creation of the CloudWatch dashboard each time the application is deployed?

A SysOps administrator needs to automate the invocation of an AWS Lambda function. The Lambda function must run at the end of each day to generate a report on data that is stored in an Amazon S3 bucket.

What is the MOST operationally efficient solution that meets these requirements?

A company plans to run a public web application on Amazon EC2 instances behind an Elastic Load Balancer (ELB). The company's security team wants to protect the website by using AWS Certificate Manager (ACM) certificates The ELB must automatically redirect any HTTP requests to HTTPS

Which solution will meet these requirements?

A SysOps administrator is testing an application mat is hosted on five Amazon EC2 instances The instances run in an Auto Scaling group behind an Application Load Balancer (ALB) High CPU utilization during load testing is causing the Auto Scaling group to scale out. The SysOps administrator must troubleshoot to find the root cause of the high CPU utilization before the Auto Scaling group scales out.

Which action should the SysOps administrator take to meet these requirements?

A SysOps administrator has created an AWS Service Catalog portfolio and has shared the portfolio with a second AWS account in the company. The second account is controlled by a different administrator.

Which action will the administrator of the second account be able to perform?

A company runs hundreds of Amazon EC2 instances in a single AWS Region. Each EC2 instance has two attached 1 GiB General Purpose SSD (gp2) Amazon Elastic Block Store (Amazon EBS) volumes. A critical workload is using all the available IOPS capacity on the EBS volumes.

According to company policy, the company cannot change instance types or EBS volume types without completing lengthy acceptance tests to validate that the company’s applications will function properly. A SysOps administrator needs to increase the I/O performance of the EBS volumes as quickly as possible.

Which action should the SysOps administrator take to meet these requirements?

A SysOps administrator is responsible for a large fleet of Amazon EC2 instances and must know whether any instances will be affected by upcoming hardware maintenance. Which option would provide this information with the LEAST administrative overhead?

A company's social media application has strict data residency requirements. The company wants to use Amazon Route 53 to provide the application with DNS services. A SysOps administrator must implement a solution that routes requests to a defined list of AWS Regions. The routing must be based on the user's location. Which solution will meet these requirements?

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?

A company has an existing web application that runs on two Amazon EC2 instances behind an Application Load Balancer (ALB) across two Availability Zones The application uses an Amazon RDS Multi-AZ DB Instance Amazon Route 53 record sets route requests tor dynamic content to the load balancer and requests for static content to an Amazon S3 bucket Site visitors are reporting extremely long loading times.

Which actions should be taken to improve the performance of the website? (Select TWO )

A company is using Amazon Elastic File System (Amazon EFS) to share a file system among several Amazon EC2 instances. As usage increases, users report that file retrieval from the EFS file system is slower than normal.

Which action should a SysOps administrator take to improve the performance of the file system?

A development team recently deployed a new version of a web application to production. After the release penetration testing revealed a cross-site scripting vulnerability that could expose user data.

Which AWS service will mitigate this issue?

A company is using an Amazon DynamoDB table for data. A SysOps administrator must configure replication of the table to another AWS Region for disaster recovery.

What should the SysOps administrator do to meet this requirement?