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Amazon Web Services ANS-C01 Exam With Confidence Using Practice Dumps

Exam Code:
ANS-C01
Exam Name:
Amazon AWS Certified Advanced Networking - Specialty
Certification:
Questions:
290
Last Updated:
Nov 29, 2025
Exam Status:
Stable
Amazon Web Services ANS-C01

ANS-C01: AWS Certified Specialty Exam 2025 Study Guide Pdf and Test Engine

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Amazon AWS Certified Advanced Networking - Specialty Questions and Answers

Question 1

A network engineer needs to deploy an AWS Network Firewall firewall into an existing AWS environment. The environment consists of the following:

A transit gateway with all VPCs attached to it

Several hundred application VPCs

A centralized egress internet VPC with a NAT gateway and an internet gateway

A centralized ingress internet VPC that hosts public Application Load Balancers

On-premises connectivity through an AWS Direct Connect gateway attachment

The application VPCs have workloads deployed across multiple Availability Zones in private subnets with the VPC route table s default route (0.0.0.0/0) pointing to the transit gateway. The Network Firewall firewall needs to inspect east-west (VPC-to-VPC) traffic and north-south (internet-bound and on-premises network) traffic by using Suricata compatible rules.

The network engineer must deploy the firewall by using a solution that requires the least possible architectural changes to the existing production environment.

Which combination of steps should the network engineer take to meet these requirements? (Choose three.)

Options:

A.

Deploy Network Firewall in all Availability Zones in each application VPC.

B.

Deploy Network Firewall in all Availability Zones in a centralized inspection VPC.

C.

Update the HOME_NET rule group variable to include all CIDR ranges of the VPCs and on-premises networks.

D.

Update the EXTERNAL_NET rule group variable to include all CIDR ranges of the VPCs and on-premises networks.

E.

Configure a single transit gateway route table. Associate all application VPCs and the centralized inspection VPC with this route table.

F.

Configure two transit gateway route tables. Associate all application VPCs with one transit gateway route table. Associate the centralized inspection VPC with the other transit gateway route table.

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Question 2

A company has an AWS Site-to-Site VPN connection between its existing VPC and on-premises network. The default DHCP options set is associated with the VPC. The company has an application that is running on an Amazon Linux 2 Amazon EC2 instance in the VPC. The application must retrieve an Amazon RDS database secret that is stored in AWS Secrets Manager through a private VPC endpoint. An on-premises application provides internal RESTful API service that can be reached by URL Two on-premises Windows DNS servers provide internal DNS resolution.

The application on the EC2 instance needs to call the internal API service that is deployed in the on-premises environment. When the application on the EC2 instance attempts to call the internal API service by referring to the hostname that is assigned to the service, the call fails. When a network engineer tests the API service call from the same EC2 instance by using the API service's IP address, the call is successful.

What should the network engineer do to resolve this issue and prevent the same problem from affecting other resources in the VPC?

Options:

A.

Create a new DHCP options set that specifies the on-premises Windows DNS servers. Associate the new DHCP options set with the existing VPC. Reboot the Amazon Linux 2 EC2 instance.

B.

Create an Amazon Route 53 Resolver rule. Associate the rule with the VPC. Configure the rule to forward DNS queries to the on-premises Windows DNS servers if the domain name matches example.internal.

C.

Modify the local host file in the Amazon Linux 2 EC2 instance in the VPMap the service domain name (api.example.internal) to the IP address of the internal API service.

D.

Modify the local /etc/resolv.conf file in the Amazon Linux 2 EC2 instance in the VPC. Change the IP addresses of the name servers in the file to the IP addresses of the company's on-premisesWindows DNS servers.

Question 3

AnyCompany deploys and manages networking resources in its AWS network account, named Account-A. AnyCompany acquires Example Corp, which has an application that runs behind an Application Load Balancer (ALB) in Example Corp's AWS account, named Account-B.

Example Corp needs to use AWS Global Accelerator to create an accelerator to publish the application to users. AnyCompany's networking team will manage the accelerator.

Which solution will meet these requirements with the LEAST management overhead?

Options:

A.

Create an accelerator in Account-В. Use a cross-account role from Account-A to grant the networking team access to manage the accelerator.

B.

Deploy a Network Load Balancer (NLB) in Account-A to route traffic to the ALB in Account-В. Create an accelerator, and set the NLB as the endpoint in Account-A.

C.

Create a cross-account Global Accelerator attachment in Account-В for the Account-A principal. Create an accelerator in Account-A by using the shared attachment.

D.

Create an accelerator in Account-A. Use AWS Resource Access Management (AWS RAM) to share the accelerator with Account-В. Associate the ALB in Account-В with the accelerator in Account-A.