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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:
Feb 20, 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 company is using custom DNS servers that run BIND for name resolution in its VPCs. The VPCs are deployed across multiple AWS accounts that are part of the same organization in AWS Organizations. All the VPCs are connected to a transit gateway. The BIND servers are running in a central VPC and are configured to forward all queries for an on-premises DNS domain to DNS servers that are hosted in an on-premises data center. To ensure that all the VPCs use the custom DNS servers, a network engineer has configured a VPC DHCP options set in all the VPCs that specifies the custom DNS servers to be used as domain name servers.

Multiple development teams in the company want to use Amazon Elastic File System (Amazon EFS). A development team has created a new EFS file system but cannot mount the file system to one of its Amazon EC2 instances. The network engineer discovers that the EC2 instance cannot resolve the IP address for the EFS mount point fs-33444567d.efs.us-east-1.amazonaws.com. The network engineer needs to implement a solution so that development teams throughout the organization can mount EFS file systems.

Which combination of steps will meet these requirements? (Choose two.)

Options:

A.

Configure the BIND DNS servers in the central VPC to forward queries for efs.us-east-1.amazonaws.com to the Amazon provided DNS server (169.254.169.253).

B.

Create an Amazon Route 53 Resolver outbound endpoint in the central VPC. Update all the VPC DHCP options sets to use AmazonProvidedDNS for name resolution.

C.

Create an Amazon Route 53 Resolver inbound endpoint in the central VPUpdate all the VPC DHCP options sets to use the Route 53 Resolver inbound endpoint in the central VPC for name resolution.

D.

Create an Amazon Route 53 Resolver rule to forward queries for the on-premises domain to the on-premises DNS servers. Share the rule with the organization by using AWS Resource Access Manager (AWS RAM). Associate the rule with all the VPCs.

E.

Create an Amazon Route 53 private hosted zone for the efs.us-east-1.amazonaws.com domain. Associate the private hosted zone with the VPC where the EC2 instance is deployed. Create an A record for fs-33444567d.efs.us-east-1.amazonaws.com in the private hosted zone. Configure the A record to return the mount target of the EFS mount point.

Question 3

A company is deploying AWS Cloud WAN with edge locations in the us-east-1 Region and the ap-southeast-2 Region. Individual AWS Cloud WAN segments are configured for the development environment, the production environment, and the shared services environment at each edge location. Many new VPCs will be deployed for the environments and will be configured as attachments to the AWS Cloud WAN core network.

The company's network team wants to ensure that VPC attachments are configured for the correct segment. The network team will tag the VPC attachments by using the Environment key with a value of the corresponding environment segment name. The segment for the production environment in us-east-1 must require acceptance for attachment requests. AH other attachment requests must not require acceptance.

Which solution will meet these requirements?

Options:

A.

Create a rule with a number of 100 that requires acceptance for attachments to the production segment. In the rule, set the condition logic to the "or" value. Include conditions that require a tag:Environment value of Production or a Region value of us-east-1. Create a rule with a number of 200 that does not require acceptance to map any tag:Environment values to their respective segments.

B.

Create a rule with a number of 100 that requires acceptance for attachments to the production segment. In the rule, set the condition logic to the "and" value. Include conditions that require a tag:Environment value of Production and a Region value of us-east-1. Create a rule with a number of 200 that does not require acceptance to map any tag:Environment values to their respective segments.

C.

Create a rule with a number of 100 that does not require acceptance to map any tag:Environment values to their respective segments. Create a rule with a number of 200 that requires acceptance for attachments to the production segment. In the rule, set the condition logic to the "and" value. Include conditions that require a tag:Environment value of Production and a Region value of us-east-1.

D.

Create a rule with a number of 100 that does not require acceptance to map any tag:Environment values to their respective segments Create a rule with a number of 200 that requires acceptance for attachments to the production segment. In the rule, set the condition logic to the "or value. Include conditions that require a tag:Environment value of Production or a Region value of us-east-1.

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