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ANS-C01 Exam Dumps : Amazon AWS Certified Advanced Networking - Specialty

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Amazon AWS Certified Advanced Networking - Specialty Questions and Answers

Question 1

A company has an internal web-based application that employees use. The company hosts the application over a VPN in the company's on-premises network. The application runs on a fleet of Amazon EC2 instances in a private subnet behind a Network Load Balancer (NLB) in the same subnet. The instances are in an Amazon EC2 Auto Scaling group.

During a recent security incident, SQL injection occurred on the application. A network engineer must implement a solution to prevent SQL injection attacks in the future.

Which combination of steps will meet these requirements? (Select THREE.)

Options:

A.

Create an AWS WAF web ACL that includes rules to block SQL injection attacks

B.

Create an Amazon CloudFront distribution. Specify the EC2 instances as the origin.

C.

Replace the NLB with an Application Load Balancer

D.

Associate the AWS WAF web ACL with the NLB.

E.

Associate the AWS WAF web ACL with the Application Load Balancer.

F.

Associate the AWS WAF web ACL with the Amazon CloudFront distribution.

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Question 2

A company runs a workload in a single VPC on AWS. The company’s architecture contains several interface VPC endpoints for AWS services, including Amazon CloudWatch Logs and AWS Key Management Service (AWS KMS). The endpoints are configured to use a shared security group. The security group is not used for any other workloads or resources.

After a security review of the environment, the company determined that the shared security group is more permissive than necessary. The company wants to make the rules associated with the security group more restrictive. The changes to the security group rules must not prevent the resources in the VPC from using AWS services through interface VPC endpoints. The changes must prevent unnecessary access.

The security group currently uses the following rules:

• Inbound - Rule 1

Protocol: TCP

Port: 443

Source: 0.0.0.0/0

• Inbound - Rule 2

Protocol: TCP

Port: 443

Source: VPC CIDR

• Outbound - Rule 1

Protocol: All

Port: All

Destination: 0.0.0.0/0

Which rule or rules should the company remove to meet with these requirements?

Options:

A.

Outbound - Rule 2

B.

Inbound - Rule 1 and Outbound - Rule 1

C.

Inbound - Rule 2 and Outbound - Rule 1

D.

Outbound - Rule 1

Question 3

A company has deployed Amazon EC2 instances in private subnets in a VPC. The EC2 instances must initiate any requests that leave the VPC, including requests to the company's on-premises data center over an AWS Direct Connect connection. No resources outside the VPC can be allowed toopen communications directly to the EC2 instances.

The on-premises data center's customer gateway is configured with a stateful firewall device that filters for incoming and outgoing requests to and from multiple VPCs. In addition, the company wants to use a single IP match rule to allow all the communications from the EC2 instances to its data center from a single IP address.

Which solution will meet these requirements with the LEAST amount of operational overhead?

Options:

A.

Create a VPN connection over the Direct Connect connection by using the on-premises firewall. Use the firewall to block all traffic from on premises to AWS. Allow a stateful connection from the EC2 instances to initiate the requests.

B.

Configure the on-premises firewall to filter all requests from the on-premises network to the EC2 instances. Allow a stateful connection if the EC2 instances in the VPC initiate the traffic.

C.

Deploy a NAT gateway into a private subnet in the VPC where the EC2 instances are deployed. Specify the NAT gateway type as private. Configure the on-premises firewall to allow connections from the IP address that is assigned to the NAT gateway.

D.

Deploy a NAT instance into a private subnet in the VPC where the EC2 instances are deployed. Configure the on-premises firewall to allow connections from the IP address that is assigned to the NAT instance.