ANS-C01 Amazon Web Services Amazon AWS Certified Advanced Networking

Amazon AWS Certified Advanced Networking - Specialty

Last Update 19 hours ago Total Questions : 290

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Question # 11

A company's AWS infrastructure is spread across more than 50 accounts and across five AWS Regions. The company needs to manage its security posture with simplified administration and maintenance for all the AWS accounts. The company wants to use AWS Firewall Manager to manage the firewall rules and requirements.

The company creates an organization with all features enabled in AWS Organizations.

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

Configure only the Firewall Manager administrator account to join the organization.

Configure all the accounts to join the organization.

Set an account as the Firewall Manager administrator account.

Set an account as the Firewall Manager child account.

Set up AWS Config for all the accounts and all the Regions where the company has resources.

Set up AWS Config for only the organization's management account.

Question # 12

A network engineer needs to improve the network security of an existing AWS environment by adding an AWS Network Firewall firewall to control internet-bound traffic. The AWS environment consists of five VPCs. Each VPC has an internet gateway. NAT gateways, public Application Load Balancers (ALBs), and Amazon EC2 instances. The EC2 instances are deployed in private subnets. The architecture is deployed across two Availability Zones.

The network engineer must be able to configure rules for the public IP addresses in the environment, regardless of the direction of traffic. The network engineer must add the firewall by implementing a solution that minimizes changes to the existing production environment. The solution also must ensure high availability.

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

Create a centralized inspection VPC with subnets in two Availability Zones. Deploy Network Firewall in this inspection VPC with an endpoint in each Availability Zone.

Configure new subnets in two Availability Zones in each VPC. Deploy Network Firewall in each VPC with an endpoint in each Availability Zone.

Deploy Network Firewall in each VPC. Use existing subnets in each of the two Availability Zones to deploy Network Firewall endpoints.

Update the route tables that are associated with the private subnets that host the EC2 instances. Add routes to the Network Firewall endpoints.

Update the route tables that are associated with the public subnets that host the NAT gateways and the ALBs. Add routes to the Network Firewall endpoints.

Question # 13

A company has three VPCs in a single AWS Region. Each VPC contains 15 Amazon EC2 instances, and no connectivity exists between the VPCs.

The company is deploying a new application across all three VPCs. The application requires high bandwidth between the nodes. A network engineer must implement connectivity between the VPCs.

Which solution will meet these requirements with the HIGHEST throughput?

Configure a transit gateway. Attach each VPC to the transit gateway. Configure static routing in each VPC to route traffic to the transit gateway.

Configure VPC peering between the three VPCs. Configure static routing to route traffic between the three VPCs.

Configure a transit VPC. Configure a VPN gateway in each VPC. Create an AWS Site-to-Site VPN tunnel from each VPC to the transit VPC. Use BGP routing to route traffic between the VPCs and the transit VPC.

Configure AWS Site-to-Site VPN connections between each VPC. Enable route propagation for each Site-to-Site VPN connection to route traffic between the VPCs.

Question # 14

A company has many application VPCs that use AWS Site-to-Site VPN connections for connectivity to an on-premises location. The company's network team wants to gradually migrate to AWS Transit Gateway to provide VPC-to-VPC connectivity.

The network team sets up a transit gateway that uses equal-cost multi-path (ECMP) routing. The network team attaches two temporary VPCs to the transit gateway for testing. The test VPCs contain Amazon EC2 instances to confirm connectivity over the transit gateway between the on-premises location and the VPCs. The network team creates two new Site-to-Site VPN connections to the transit gateway.

During testing, the network team cannot reach the required bandwidth of 2.5 Gbps over the pair of new Site-to-Site VPN connections.

Which combination of steps should the network team take to improve bandwidth performance and minimize network congestion? (Select THREE.)

Enable acceleration for the existing Site-to-Site VPN connections to the transit gateway.

Create new accelerated Site-to-Site VPN connections to the transit gateway.

Advertise the on-premises prefix to AWS with the same BGP AS_PATH attribute across all the Site-to-Site VPN connections.

Advertise the on-premises prefix to AWS with a different BGP AS_PATH attribute across all the Site-to-Site VPN connections

Verify that the transit gateway attachments are present in the Availability Zones of the test VPC.

Verify that the on-premises location is sending traffic by using multiple flows.

Question # 15

A company uses a 4 Gbps AWS Direct Connect dedicated connection with a link aggregation group (LAG) bundle to connect to five VPCs that are deployed in the us-east-1 Region. Each VPC serves a different business unit and uses its own private VIF for connectivity to the on-premises environment. Users are reporting slowness when they access resources that are hosted on AWS.

A network engineer finds that there are sudden increases in throughput and that the Direct Connect connection becomes saturated at the same time for about an hour each business day. The company wants to know which business unit is causing the sudden increase in throughput. The network engineer must find out this information and implement a solution to resolve the problem.

Which solution will meet these requirements?

Review the Amazon CloudWatch metrics for VirtualInterfaceBpsEgress and VirtualInterfaceBpsIngress to determine which VIF is sending the highest throughput during the period in which slowness is observed. Create a new 10 Gbps dedicated connection. Shift traffic from the existing dedicated connection to the new dedicated connection.

Review the Amazon CloudWatch metrics for VirtualInterfaceBpsEgress and VirtualInterfaceBpsIngress to determine which VIF is sending the highest throughput during the period in which slowness is observed. Upgrade the bandwidth of the existing dedicated connection to 10 Gbps.

Review the Amazon CloudWatch metrics for ConnectionBpsIngress and ConnectionPpsEgress to determine which VIF is sending the highest throughput during the period in which slowness is observed. Upgrade the existing dedicated connection to a 5 Gbps hosted connection.

Review the Amazon CloudWatch metrics for ConnectionBpsIngress and ConnectionPpsEgress to determine which VIF is sending the highest throughput during the period in which slowness is observed. Create a new 10 Gbps dedicated connection. Shift traffic from the existing dedicated connection to the new dedicated connection.

Question # 16

A company plans to run a computationally intensive data processing application on AWS. The data is highly sensitive. The VPC must have no direct internet access, and the company has applied strict network security to control access.

Data scientists will transfer data from the company's on-premises data center to the instances by using an AWS Site-to-Site VPN connection. The on-premises data center uses the network range 172.31.0.0/20 and will use the network range 172.31.16.0/20 in the application VPC.

The data scientists report that they can start new instances of the application but that they cannot transfer any data from the on-premises data center. A network engineer enables VPC flow logs and sends a ping to one of the instances to test reachability. The flow logs show the following:

The network engineer must recommend a solution that will give the data scientists the ability to transfer data from the on-premises data center.

Which solution will meet these requirements?

Modify the security group for the application. Add an inbound rule to allow traffic from the on-premises data center network range to the application.

Modify the network ACLs for the VPC subnet. Add an inbound rule to allow traffic from the on-premises data center network range to the VPC subnet range.

Modify the network ACLs for the VPC subnet. Add an outbound rule to allow traffic from the VPC subnet range to the on-premises data center network range.

Modify the security group for the application. Add an outbound rule to allow traffic from the application to the on-premises data center network range.

Question # 17

A company is migrating an existing application to a new AWS account. The company will deploy the application in a single AWS Region by using one VPC and multiple Availability Zones. The application will run on Amazon EC2 instances. Each Availability Zone will have several EC2 instances. The EC2 instances will be deployed in private subnets.

The company's clients will connect to the application by using a web browser with the HTTPS protocol. Inbound connections must be distributed across the Availability Zones and EC2 instances. All connections from the same client session must be connected to the same EC2 instance. The company must provide end-to-end encryption for all connections between the clients and the application by using the application SSL certificate.

Which solution will meet these requirements?

Create a Network Load Balancer. Create a target group. Set the protocol to TCP and the port to 443 for the target group. Turn on session affinity (sticky sessions). Register the EC2 instances as targets. Create a listener. Set the protocol to TCP and the port to 443 for the listener. Deploy SSL certificates to the EC2 instances.

Create an Application Load Balancer. Create a target group. Set the protocol to HTTP and the port to 80 for the target group. Turn on session affinity (sticky sessions) with an application-based cookie policy. Register the EC2 instances as targets. Create an HTTPS listener. Set the default action to forward to the target group. Use AWS Certificate Manager (ACM) to create a certificate for the listener.

Create a Network Load Balancer. Create a target group. Set the protocol to TLS and the port to 443 for the target group. Turn on session affinity (sticky sessions). Register the EC2 instances as targets. Create a listener. Set the protocol to TLS and the port to 443 for the listener. Use AWS Certificate Manager (ACM) to create a certificate for the application.

Create an Application Load Balancer. Create a target group. Set the protocol to HTTPS and the port to 443 for the target group. Turn on session affinity (sticky sessions) with an application-based cookie policy. Register the EC2 instances as targets. Create an HTTP listener. Set the port to 443 for the listener. Set the default action to forward to the target group.

Question # 18

A company’s network engineer builds and tests network designs for VPCs in a development account. The company needs to monitor the changes that are made to network resources and must ensure strict compliance with network security policies. The company also needs access to the historical configurations of network resources.

Which solution will meet these requirements?

Create an Amazon EventBridge (Amazon CloudWatch Events) rule with a custom pattern to monitor the account for changes. Configure the rule to invoke an AWS Lambda function to identify noncompliant resources. Update an Amazon DynamoDB table with the changes that are identified.

Create custom metrics from Amazon CloudWatch logs. Use the metrics to invoke an AWS Lambda function to identify noncompliant resources. Update an Amazon DynamoDB table with the changes that are identified.

Record the current state of network resources by using AWS Config. Create rules that reflect the desired configuration settings. Set remediation for noncompliant resources.

Record the current state of network resources by using AWS Systems Manager Inventory. Use Systems Manager State Manager to enforce the desired configuration settings and to carry out remediation for noncompliant resources.

Question # 19

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?

Enable VPC Flow Logs on the elastic network interface of each EC2 instance to capture REJECT traffic on port 443. Publish the flow log records to a log group in Amazon CloudWatch Logs. Create a CloudWatch Logs metric filter for the log group for rejected traffic. Create an alarm to notify the network engineer.

Enable VPC Flow Logs on the elastic network interface of each EC2 instance to capture all traffic on port 443. Publish the flow log records to a log group in Amazon CloudWatch Logs. Create a CloudWatch Logs metric filter for the log group for all traffic. Create an alarm to notify the network engineer

Create a VPC Reachability Analyzer path on port 443. Specify the security group as the source. Specify the EC2 instances as the destination. Create an Amazon Simple Notification Service (Amazon SNS) topic to notify the network engineer when a change to the security group affects the connection. Create an AWS Lambda function to start Reachability Analyzer and to publish a message to the SNS topic in case the analyses fail Create an Amazon Ev

Create a VPC Reachability Analyzer path on port 443. Specify the internet gateway of the VPC as the source. Specify the EC2 instances as the destination. Create an Amazon Simple Notification Service (Amazon SNS) topic to notify the network engineer when a change to the security group affects the connection. Create an AWS Lambda function to start Reachability Analyzer and to publish a message to the SNS topic in case the analyses fail. Creat

Question # 20

A company is building an API-based application on AWS and is using a microservices architecture for the design. The company is using a multi-account AWS environment that includes a separate AWS account for each microservice development team. Each team hosts its microservice in its own VPC that contains Amazon EC2 instances behind a Network Load Balancer (NLB).

A network engineer needs to use Amazon API Gateway in a shared services account to create an HTTP API to expose these microservices to external applications. The network engineer must ensure that access to the microservices can occur only over a private network. Additionally, the company must be able to control which entities from its internal network can connect to the microservices. In the future, the company will create more microservices that the company must be able to integrate with the application.

What is the MOST secure solution that meets these requirements?

Create an Application Load Balancer (ALB) in a VPC in the shared services account. Configure the integration to the API Gateway API by using a VPC link. Associate the VPC link with the ALB. Create a VPC endpoint service in each microservice account. Create an AWS PrivateLink endpoint for those services in the shared services account. Add the elastic network interface IP addresses of the VPC endpoint as targets for the target group of the AL

Create an Application Load Balancer (ALB) in a VPC in the shared services account. Configure the integration to the API Gateway API by using a VPC link. Associate the VPC link with the ALB. Connect all the VPCs to each other by using a central transit gateway. Add the IP addresses of the NLB as IP-based targets in the ALB target group.

Configure the integration to the API Gateway API by using HTTP-based integration. Connect all the VPCs to each other by using a central transit gateway. Create a separate HTTP integration to each NLB for each microservice. Add the HTTP endpoint of the NLB as the endpoint URL in the HTTP integration.

Configure the integration to the API Gateway API by using VPC link integration. Connect all the VPCs to each other by using a central transit gateway. Create a separate VPC link to each NLB for each microservice. Add the HTTP endpoint of the NLB as the endpoint URL in the VPC link integration.