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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:
AWS Certified Specialty
Vendor:
Amazon Web Services
Questions:
153
Last Updated:
Apr 26, 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

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Question 1

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-premises Windows DNS servers.

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Question 2

A network engineer needs to design the architecture for a high performance computing (HPC) workload. Amazon EC2 instances will require 10 Gbps flows and an aggregate throughput of up to 100 Gbps across many instances with low-latency communication.

Which architecture solution will optimize this workload?

Options:

A.

Place nodes in a single subnet of a VPC. Configure a cluster placement group. Ensure that the latest Elastic Fabric Adapter (EFA) drivers are installed on the EC2 instances with a supported operating system.

B.

Place nodes in multiple subnets in a single VPC. Configure a spread placement group Ensure that the EC2 instances support Elastic Network Adapters (ENAs) and that the drivers are updated on each instance operating system.

C.

Place nodes in multiple VPCs. Use AWS Transit Gateway to route traffic between the VPCs. Ensure that the latest Elastic Fabric Adapter (EFA) drivers are installed on the EC2 instances with a supported operating system.

D.

Place nodes in multiple subnets in multiple Availability Zones. Configure a cluster placement group. Ensure that the EC2 instances support Elastic Network Adapters (ENAs) and that the drivers are updated on each instance operating system.

Question 3

A company's network engineer must implement a cloud-based networking environment for a network operations team to centrally manage. Other teams will use the environment. Each team must be able to deploy infrastructure to the environment and must be able to manage its own resources. The environment must feature IPv4 and IPv6 support and must provide internet connectivity in a dual-stack configuration.

The company has an organization in AWS Organizations that contains a workload account for the teams. The network engineer creates a new networking account in the organization.

Which combination of steps should the network engineer take next to meet the requirements? (Select THREE.)

Options:

A.

Create a new VPC. Associate an IPv4 CIDR block of 10.0.0.0/16 and specify an IPv6 block of 2001: db8:c5a:6000::/56. Provision subnets by assigning /24 IPv4 CIDR blocks and /64 IPv6 CIDR blocks.

B.

Create a new VPC. Associate an IPv4 CIDR block of 10.0.0.0/16 and use an Amazon-provided IPv6 CIDR block. Provision subnets by assigning /24 IPv4 CIDR blocks and 164 IPv6 CIDR blocks.

C.

Enable sharing of resources within the organization by using AWS Resource Access Manager (AWS RAM). Create a resource share in the networking account, select the provisioned subnets, and share the provisioned subnets with the target workload account. Use the workload account to accept the resource share through AWS RAM.

D.

Enable sharing of resources within the organization by using AWS Resource Access Manager (AWS RAM). Create a resource share in the networking account, select the new VPC. and share the new VPC with the target workload account. Use the workload account to accept the resource share through AWS RAM.

E.

Create an internet gateway and an egress-only internet gateway. Deploy NAT gateways to the public subnets. Associate the internet gateway with the new VPC. Update the route tables. Associate the route tables with the relevant subnets.

F.

Create an internet gateway. Deploy NAT instances to public subnets. Update the route tables. Associate the route tables with the relevant subnets.

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