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Amazon SCS-C01 Exam

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Question 51
The Security Engineer created a new AWS Key Management Service (AWS KMS) key with the following key policy:What are the effects of the key policy? (Choose two.)
Image SCS-C01_51Q.png related to the Amazon SCS-C01 Exam
A. The policy allows access for the AWS account 111122223333 to manage key access though IAM policies.
B. The policy allows all IAM users in account 111122223333 to have full access to the KMS key.
C. The policy allows the root user in account 111122223333 to have full access to the KMS key.
D. The policy allows the KMS service-linked role in account 111122223333 to have full access to the KMS key.
E. The policy allows all IAM roles in account 111122223333 to have full access to the KMS key.

Question 52
A company uses AWS Organization to manage 50 AWS accounts. The finance staff members log in as AWS IAM users in the FinanceDept AWS account. The staff members need to read the consolidated billing information in the MasterPayer AWS account. They should not be able to view any other resources in theMasterPayer AWS account. IAM access to billing has been enabled in the MasterPayer account.
Which of the following approaches grants the finance staff the permissions they require without granting any unnecessary permissions?
A. Create an IAM group for the finance users in the FinanceDept account, then attach the AWS managed ReadOnlyAccess IAM policy to the group.
B. Create an IAM group for the finance users in the MasterPayer account, then attach the AWS managed ReadOnlyAccess IAM policy to the group.
C. Create an AWS IAM role in the FinanceDept account with the ViewBilling permission, then grant the finance users in the MasterPayer account the permission to assume that role.
D. Create an AWS IAM role in the MasterPayer account with the ViewBilling permission, then grant the finance users in the FinanceDept account the permission to assume that role.

Question 53
A Solutions Architect is designing a web application that uses Amazon CloudFront, an Elastic Load Balancing Application Load Balancer, and an Auto Scaling group of Amazon EC2 instances. The load balancer and EC2 instances are in the US West (Oregon) region. It has been decided that encryption in transit is necessary by using a customer-branded domain name from the client to CloudFront and from CloudFront to the load balancer.
Assuming that AWS Certificate Manager is used, how many certificates will need to be generated?
A. One in the US West (Oregon) region and one in the US East (Virginia) region.
B. Two in the US West (Oregon) region and none in the US East (Virginia) region.
C. One in the US West (Oregon) region and none in the US East (Virginia) region.
D. Two in the US East (Virginia) region and none in the US West (Oregon) region.

Question 54
A Security Engineer has been asked to troubleshoot inbound connectivity to a web server. This single web server is not receiving inbound connections from the internet, whereas all other web servers are functioning properly.
The architecture includes network ACLs, security groups, and a virtual security appliance. In addition, the Development team has implemented Application LoadBalancers (ALBs) to distribute the load across all web servers. It is a requirement that traffic between the web servers and the internet flow through the virtual security appliance.
The Security Engineer has verified the following:
1. The rule set in the Security Groups is correct
2. The rule set in the network ACLs is correct
3. The rule set in the virtual appliance is correct
Which of the following are other valid items to troubleshoot in this scenario? (Choose two.)
A. Verify that the 0.0.0.0/0 route in the route table for the web server subnet points to a NAT gateway.
B. Verify which Security Group is applied to the particular web server's elastic network interface (ENI).
C. Verify that the 0.0.0.0/0 route in the route table for the web server subnet points to the virtual security appliance.
D. Verify the registered targets in the ALB.
E. Verify that the 0.0.0.0/0 route in the public subnet points to a NAT gateway.

Question 55
Which approach will generate automated security alerts should too many unauthorized AWS API requests be identified?
A. Create an Amazon CloudWatch metric filter that looks for API call error codes and then implement an alarm based on that metric's rate.
B. Configure AWS CloudTrail to stream event data to Amazon Kinesis. Configure an AWS Lambda function on the stream to alarm when the threshold has been exceeded.
C. Run an Amazon Athena SQL query against CloudTrail log files. Use Amazon QuickSight to create an operational dashboard.
D. Use the Amazon Personal Health Dashboard to monitor the account's use of AWS services, and raise an alert if service error rates increase.

Question 56
A company has multiple production AWS accounts. Each account has AWS CloudTrail configured to log to a single Amazon S3 bucket in a central account. Two of the production accounts have trails that are not logging anything to the S3 bucket.
Which steps should be taken to troubleshoot the issue? (Choose three.)
A. Verify that the log file prefix is set to the name of the S3 bucket where the logs should go.
B. Verify that the S3 bucket policy allows access for CloudTrail from the production AWS account IDs.
C. Create a new CloudTrail configuration in the account, and configure it to log to the account's S3 bucket.
D. Confirm in the CloudTrail Console that each trail is active and healthy.
E. Open the global CloudTrail configuration in the master account, and verify that the storage __cpLocation is set to the correct S3 bucket.
F. Confirm in the CloudTrail Console that the S3 bucket name is set correctly.

Question 57
Amazon CloudWatch Logs agent is successfully delivering logs to the CloudWatch Logs service. However, logs stop being delivered after the associated log stream has been active for a specific number of hours.
What steps are necessary to identify the cause of this phenomenon? (Choose two.)
A. Ensure that file permissions for monitored files that allow the CloudWatch Logs agent to read the file have not been modified.
B. Verify that the OS Log rotation rules are compatible with the configuration requirements for agent streaming.
C. Configure an Amazon Kinesis producer to first put the logs into Amazon Kinesis Streams.
D. Create a CloudWatch Logs metric to isolate a value that changes at least once during the period before logging stops.
E. Use AWS CloudFormation to dynamically create and maintain the configuration file for the CloudWatch Logs agent.

Question 58
A company has deployed a custom DNS server in AWS. The Security Engineer wants to ensure that Amazon EC2 instances cannot use the Amazon-providedDNS.
How can the Security Engineer block access to the Amazon-provided DNS in the VPC?
A. Deny access to the Amazon DNS IP within all security groups.
B. Add a rule to all network access control lists that deny access to the Amazon DNS IP.
C. Add a route to all route tables that black holes traffic to the Amazon DNS IP.
D. Disable DNS resolution within the VPC configuration.

Question 59
An employee accidentally exposed an AWS access key and secret access key during a public presentation. The company Security Engineer immediately disabled the key.
How can the Engineer assess the impact of the key exposure and ensure that the credentials were not misused? (Choose two.)
A. Analyze AWS CloudTrail for activity.
B. Analyze Amazon CloudWatch Logs for activity.
C. Download and analyze the IAM Use report from AWS Trusted Advisor.
D. Analyze the resource inventory in AWS Config for IAM user activity.
E. Download and analyze a credential report from IAM.

Question 60
Which of the following minimizes the potential attack surface for applications?
A. Use security groups to provide stateful firewalls for Amazon EC2 instances at the hypervisor level.
B. Use network ACLs to provide stateful firewalls at the VPC level to prevent access to any specific AWS resource.
C. Use AWS Direct Connect for secure trusted connections between EC2 instances within private subnets.
D. Design network security in a single layer within the perimeter network (also known as DMZ, demilitarized zone, and screened subnet) to facilitate quicker responses to threats.