ANS-C01: AWS Certified Advanced Networking - Specialty
Amazon
The AWS Certified Advanced Networking – Specialty (ANS-C01) exam is a crucial certification for anyone aiming to advance their career in advanced networking on AWS. Our topic is your ultimate resource for ANS-C01 practice test shared by individuals who have successfully passed the exam. These practice tests provide real-world scenarios and invaluable insights to help you ace your preparation.
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Key Features of ANS-C01 Practice Test:
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Exam number: ANS-C01
Exam name: AWS Certified Advanced Networking – Specialty
Length of test: 180 minutes
Exam format: Multiple-choice and multiple-response questions.
Exam language: English
Number of questions in the actual exam: Maximum of 65 questions
Passing score: 750/1000
Use the member-shared AWS ANS-C01 Practice Test to ensure you’re fully prepared for your certification exam. Start practicing today and take a significant step towards achieving your certification goals!
Related questions
A banking company is successfully operating its public mobile banking stack on AWS. The mobile banking stack is deployed in a VPC that includes private subnets and public subnets. The company is using IPv4 networking and has not deployed or supported IPv6 in the environment. The company has decided to adopt a third-party service provider's API and must integrate the API with the existing environment. The service provider’s API requires the use of IPv6.
A network engineer must turn on IPv6 connectivity for the existing workload that is deployed in a private subnet. The company does not want to permit IPv6 traffic from the public internet and mandates that the company's servers must initiate all IPv6 connectivity. The network engineer turns on IPv6 in the VPC and in the private subnets.
Which solution will meet these requirements?
A network engineer has deployed an Amazon EC2 instance in a private subnet in a VPC. The VPC has no public subnet. The EC2 instance hosts application code that sends messages to an Amazon Simple Queue Service (Amazon SQS) queue. The subnet has the default network ACL with no modification applied. The EC2 instance has the default security group with no modification applied.
The SQS queue is not receiving messages.
Which of the following are possible causes of this problem? (Choose two.)
A bank built a new version of its banking application in AWS using containers that content to an onpremises database over VPN connection. This application version requires users to also update their client application. The bank plans to deprecate the earlier client version. However, the company wants to keep supporting earlier clients through their on-premises version of the application to serve a small portion of the customers who haven’t yet upgraded.
What design will allow the company to serve both newer and earlier clients in the MOST efficient way?
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 (https://api.example.internal). 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 onpremises 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?
Explanation:
Creating an Amazon Route 53 Resolver rule and associating it with the VPC would enable forwarding of DNS queries for a specified domain name (example.internal) to a specified IP address (the onpremises Windows DNS servers)3. This would allow EC2 instances in the VPC to resolve the internal
API service by using its hostname. Configuring the rule to forward DNS queries only if the domain name matches example.internal would also allow EC2 instances to use the Amazon Route 53 Resolver server for other DNS queries, such as those for AWS services through private VPC endpoints2.
A company has two AWS accounts one for Production and one for Connectivity. A network engineer needs to connect the Production account VPC to a transit gateway in the Connectivity account. The feature to auto accept shared attachments is not enabled on the transit gateway.
Which set of steps should the network engineer follow in each AWS account to meet these requirements?
A company has deployed a critical application on a fleet of Amazon EC2 instances behind an Application Load Balancer. The application must always be reachable on port 443 from the public internet. The application recently had an outage that resulted from an incorrect change to the EC2 security group.
A network engineer needs to automate a way to verify the network connectivity between the public internet and the EC2 instances whenever a change is made to the security group. The solution also must notify the network engineer when the change affects the connection.
Which solution will meet these requirements?
A company is using an Amazon CloudFront distribution that is configured with an Application Load Balancer (ALB) as an origin. A network engineer needs to implement a solution that requires all inbound traffic to the ALB to come from CloudFront. The network engineer must implement the solution at the network layer rather than in the application.
Which solution will meet these requirements in the MOST operationally efficient way?
A network engineer is working on a large migration effort from an on-premises data center to an AWS Control Tower based multi-account environment. The environment has a transit gateway that is deployed to a central network services account. The central network services account has been shared with an organization in AWS
Organizations through AWS Resource Access Manager (AWS RAM).
A shared services account also exists in the environment. The shared services account hosts workloads that need to be shared with the entire organization.
The network engineer needs to create a solution to automate the deployment of common network components across the environment. The solution must provision a
VPC for application workloads to each new and existing member account. The VPCs must be connected to the transit gateway in the central network services account.
Which combination of steps will meet these requirements with the LEAST operational overhead? (Select THREE.)
Explanation:
The correct answer is A, C, and D. These steps will meet the requirements with the least operational overhead because:
* Step A will deploy an AWS Lambda function to the shared services account that can automate the network infrastructure provisioning in each member account by assuming a role with the necessary permissions.
* Step C will create an AWS CloudFormation template that describes the VPC and the transit gateway attachment for each account. This template can be uploaded as an AWS Service Catalog product to the shared services account, which can be used by the AWS Lambda function to create the network resources in each member account.
* Step D will deploy an Amazon EventBridge rule on a default event bus in the shared services account that can react to AWS Control Tower lifecycle events, such as creating a new managed account. This rule can invoke the AWS Lambda function to provision the network infrastructure in the new account.
The other steps are incorrect because:
* Step B will update the existing accounts with an Account Factory Customization (AFC), which is a feature of AWS Control Tower that allows you to customize the account creation process with AWS CloudFormation templates. However, this step will not automate the network infrastructure provisioning for the existing accounts, as it only applies to the new accounts created through the Account Factory. Moreover, this step will require additional operational overhead to maintain the AFC templates and products.
* Step E will create an AWSControlTowerBlueprintAccess role in the shared services account, which is a role that allows AWS Control Tower to access the AWS Service Catalog products in the shared services account. However, this step is not necessary for the automation solution, as the AWS Lambda function can access the AWS Service Catalog products directly without using this role.
* Step F will create an AWSControlTowerBlueprintAccess role in each member account, which is a role that allows AWS Control Tower to access the AWS Service Catalog products in the member accounts. However, this step is not necessary for the automation solution, as the AWS Lambda function can access the AWS Service Catalog products in the shared services account without using this role.
A company ran out of IP address space in one of the Availability Zones in an AWS Region that the company uses. The Availability Zone that is out of space is assigned the
10.10.1.0/24 CIDR block. The company manages its networking configurations in an AWS CloudFormation stack. The company's VPC is assigned the 10.10.0.0/16 CIDR
block and has available capacity in the 10.10.1.0/22 CIDR block.
How should a network specialist add more IP address space in the existing VPC with the LEAST operational overhead?
A) Update the AWS :: EC2 :: Subnet resource for the Availability Zone in the CloudFormation stack. Change the CidrBlock property to 10.10.1.0/22.
B) Update the AWS :: EC2 :: VPC resource in the CloudFormation stack. Change the CidrBlock property to 10.10.1.0/22.
C) Copy the CloudFormation stack. Set the AWS :: EC2 :: VPC resource CidrBlock property to 10.10.0.0/16. Set the AWS :: EC2 :: Subnet resource CidrBlock property to 10.10.1.0/22 for the Availability Zone.
D) Create a new AWS :: EC2 :: Subnet resource for the Availability Zone in the CloudFormation stack. Set the CidrBlock property to 10.10.2.0/24.
A company's development team has created a new product recommendation web service. The web service is hosted in a VPC with a CIDR block of 192.168.224.0/19. The company has deployed the web service on Amazon EC2 instances and has configured an Auto Scaling group as the target of a Network Load Balancer (NLB).
The company wants to perform testing to determine whether users who receive product recommendations spend more money than users who do not receive product recommendations. The company has a big sales event in 5 days and needs to integrate its existing production environment with the recommendation engine by then. The existing production environment is hosted in a VPC with a CIDR block of 192.168.128 0/17.
A network engineer must integrate the systems by designing a solution that results in the least possible disruption to the existing environments.
Which solution will meet these requirements?
An ecommerce company needs to Implement additional security controls on all its domain names that are hosted in Amazon Route 53. The company's new policy requires data authentication and data integrity verification for all queries to the company's domain names. The current Route 53 architecture has four public hosted zones.
A network engineer needs to implement DNS Security Extensions (DNSSEC) signing and validation on the hosted zones. The solution must include an alert capability.
Which combination of steps will meet these requirements? {Select THREE)
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