SOA-C02 Amazon-Web-Services Exam Questions and Free Practice Test

Question 7

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?

A. AWS/ApplicationELB HealthyHostCount <= 0

B. AWS/ApplicationELB UnhealthyHostCount >= 1

C. AWS/EC2 StatusCheckFailed <= 0

D. AWS/EC2 StatusCheckFailed >= 1

Correct Answer:A

Question 8

A SysOps administrator is creating two AWS CloudFormation templates. The first template will create a VPC with associated resources, such as subnets, route tables, and an internet gateway. The second template will deploy application resources within the VPC that was created by the first template. The second template should refer to the resources created by the first template.
How can this be accomplished with the LEAST amount of administrative effort?

A. Add an export field to the outputs of the first template and import the values in the second template.

B. Create a custom resource that queries the stack created by the first template and retrieves the required values.

C. Create a mapping in the first template that is referenced by the second template.

D. Input the names of resources in the first template and refer to those names in the second template as a parameter.

Correct Answer:C

Question 9

A SysOps administrator is maintaining a web application using an Amazon CloudFront web distribution, an Application Load Balancer (ALB), Amazon RDS, and Amazon EC2 in a VPC. All services have logging enabled. The administrator needs to investigate HTTP Layer 7 status codes from the web application.
Which log sources contain the status codes? (Choose two.)

A. VPC Flow Logs

B. AWS CloudTrail logs

C. ALB access logs

D. CloudFront access logs

E. RDS logs

Correct Answer:CD

Question 10

A SysOps Administrator is using AWS KMS with AWS-generated key material to encrypt an Amazon EBS volume in a company’s AWS environment. The Administrator wants to rotate the KMS keys using automatic key rotation, and needs to ensure that the EBS volume encrypted with the current key remains readable.
What should be done to accomplish this?

A. Back up the current KMS key and enable automatic key rotation.

B. Create a new key in AWS KMS and assign the key to Amazon EBS.

C. Enable automatic key rotation of the EBS volume key in AWS KMS.

D. Upload ne key material to the EBS volume key in AWS KMS to enable automatic key rotation for the volume.

Correct Answer:C
References:https://docs.aws.amazon.com/kms/latest/developerguide/rotate-keys.html

Question 11

A company has an infernal web application that runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an Amazon EC2 Auto Scaling group in a single Availability Zone. A SysOps administrator must make the application highly available.
Which action should the SysOps administrator take to meet this requirement?

A. Increase the maximum number of instances in the Auto Scaling group to meet the capacity that is required at peak usage.

B. Increase the minimum number of instances in the Auto Scaling group to meet the capacity that is required at peak usage.

C. Update the Auto Scaling group to launch new instances in a second Availability Zone in the same AWS Region.

D. Update the Auto Scaling group to launch new instances in an Availability Zone in a second AWS Region.

Correct Answer:C

Question 12

A company uses an AWS CloudFormation template to provision an Amazon EC2 instance and an Amazon RDS DB instance. A SysOps administrator must update the template to ensure that the DB instance is created before the EC2 instance is launched.
What should the SysOps administrator do to meet this requirement?

A. Add a wait condition to the templat

B. Update the EC2 instance user data script to send a signal after the EC2 instance is started.

C. Add the DependsOn attribute to the EC2 instance resource, and provide the logical name of the RDS resource.

D. Change the order of the resources in the template so that the RDS resource is listed before the EC2 instance resource.

E. Create multiple template

F. Use AWS CloudFormation StackSets to wait for one stack to complete before the second stack is created.

Correct Answer:B

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