ANS-C01 Exam Dumps - Amazon AWS Certified Advanced Networking - Specialty

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Question # 49

A company has started using AWS Cloud WAN with one edge location in the us-east-1 Region. The company has a production segment and a security segment in AWS Cloud WAN. The company also has a default core network policy.

The company has created a production VPC for the production workload. The company has created an outbound inspection VPC to inspect internet-bound traffic from the production VPC. The company has attached the production VPC to the production segment and has attached the outbound inspection VPC to the security segment. The company has also created an AWS Network Firewall firewall in the outbound inspection VPC to inspect internet-based traffic.

The company has updated a route table for the production VPC to send all internet-bound traffic to the AWS Cloud WAN core network. The company has updated a route table for the outbound inspection VPC to ensure that Network Firewall inspects any outgoing traffic and incoming traffic.

During testing, an Amazon EC2 instance in the production VPC cannot reach the internet. The company checks the Network Firewall rules and confirms that the rules are not blocking the traffic.

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

Update the core network policy to configure segment sharing. Share the production segment with the security segment.

Update the core network policy to create a static route for the security segment. Specify 0.0.0.0/0 as the destination CIDR block. Specify the outbound inspection VPC as an attachment.

Update the core network policy to create a static route for the production segment. Specify 0.0.0.0/0 as the destination CIDR block. Specify the outbound inspection VPC as an attachment.

Update the core network policy to create a static route for the production segment.Specify 10.2.0.0/16 as the destination CIDR block. Specify the outbound inspection VPC as an attachment.

Create an attachment to attach the outbound inspection VPC to the production segment. Update the core network policy to turn on isolated attachment for the production segment.

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Question # 50

A company is deploying a new application in the AWS Cloud. The company wants a highly available web server that will sit behind an Elastic Load Balancer. The load balancer will route requests to multiple target groups based on the URL in the request. All traffic must use HTTPS. TLS processing must be offloaded to the load balancer. The web server must know the userâ€™s IP address so that the company can keep accurate logs for security purposes.

Which solution will meet these requirements?

Deploy an Application Load Balancer with an HTTPS listener. Use path-based routing rules to forward the traffic to the correct target group. Include the X-Forwarded-For request header with traffic to the targets.

Deploy an Application Load Balancer with an HTTPS listener for each domain. Use host-based routing rules to forward the traffic to the correct target group for each domain. Include the X-Forwarded-For request header with traffic to the targets.

Deploy a Network Load Balancer with a TLS listener. Use path-based routing rules to forward the traffic to the correct target group. Configure client IP address preservation for traffic to the targets.

Deploy a Network Load Balancer with a TLS listener for each domain. Use host-based routing rules to forward the traffic to the correct target group for each domain. Configure client IP address preservation for traffic to the targets.

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Question # 51

A company recently migrated its Amazon EC2 instances to VPC private subnets to satisfy a security compliance requirement. The EC2 instances now use a NAT gateway for internet access. After the migration, some long-running database queries from private EC2 instances to a publicly accessible third-party database no longer receive responses. The database query logs reveal that the queries successfully completed after 7 minutes but that the client EC2 instances never received the response.

Which configuration change should a network engineer implement to resolve this issue?

Configure the NAT gateway timeout to allow connections for up to 600 seconds.

Enable enhanced networking on the client EC2 instances.

Enable TCP keepalive on the client EC2 instances with a value of less than 300 seconds.

Close idle TCP connections through the NAT gateway.

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Question # 52

A company has created three VPCs: a production VPC, a nonproduction VPC, and a shared services VPC. The production VPC and the nonproduction VPC must each have communication with the shared services VPC. There must be no communication between the production VPC and the nonproduction VPC. A transit gateway is deployed to facilitate communication between VPCs.

Which route table configurations on the transit gateway will meet these requirements?

Configure a route table with the production and nonproduction VPC attachments associated with propagated routes for only the shared services VPC. Create an additional route table with only the shared services VPC attachment associated with propagated routes from the production and nonproduction VPCs.

Configure a route table with the production and nonproduction VPC attachments associated with propagated routes for each VPC. Create an additional route table with only the shared services VPC attachment associated with propagated routes from each VPC.

Configure a route table with all the VPC attachments associated with propagated routes for only the shared services VPCreate an additional route table with only the shared services VPC attachment associated with propagated routes from the production and nonproduction VPCs.

Configure a route table with the production and nonproduction VPC attachments associated with propagated routes disabled. Create an additional route table with only the shared services VPC attachment associated with propagated routes from the production and nonproduction VPCs.

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Question # 53

A company has a hybrid cloud environment. The companyâ€™s data center is connected to the AWS Cloud by an AWS Direct Connect connection. The AWS environment includes VPCs that are connected together in a hub-and-spoke model by a transit gateway. The AWS environment has a transit VIF with a Direct Connect gateway for on-premises connectivity.

The company has a hybrid DNS model. The company has configured Amazon Route 53 Resolver endpoints in the hub VPC to allow bidirectional DNS traffic flow. The company is running a backend application in one of the VPCs.

The company uses a message-oriented architecture and employs Amazon Simple Queue Service (Amazon SQS) to receive messages from other applications over a private network. A network engineer wants to use an interface VPC endpoint for Amazon SQS for this architecture. Client services must be able to access the endpoint service from on premises and from multiple VPCs within the company's AWS infrastructure.

Which combination of steps should the network engineer take to ensure that the client applications can resolve DNS for the interface endpoint? (Choose three.)

Create the interface endpoint for Amazon SQS with the option for private DNS names turned on.

Create the interface endpoint for Amazon SQS with the option for private DNS names turned off.

Manually create a private hosted zone for sqs.us-east-1.amazonaws.com. Add necessary records that point to the interface endpoint. Associate the private hosted zones with other VPCs.

Use the automatically created private hosted zone for sqs.us-east-1.amazonaws.com with previously created necessary records that point to the interface endpoint. Associate the private hosted zones with other VPCs.

Access the SQS endpoint by using the public DNS name sqs.us-east-1 amazonaws.com in VPCs and on premises.

Access the SQS endpoint by using the private DNS name of the interface endpoint .sqs.us-east-1.vpce.amazonaws.com in VPCs and on premises.

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Question # 54

Your organization has a newly installed 1-Gbps AWS Direct Connect connection. You order the cross-connect from the Direct Connect location provider to the port on your router in the same facility. To enable the use of your first virtual interface, your router must be configured appropriately.

What are the minimum requirements for your router?

1-Gbps Multi Mode Fiber Interface, 802.1Q VLAN, Peer IP Address, BGP Session with MD5.

1-Gbps Single Mode Fiber Interface, 802.1Q VLAN, Peer IP Address, BGP Session with MD5.

IPsec Parameters, Pre-Shared key, Peer IP Address, BGP Session with MD5

BGP Session with MD5, 802.1Q VLAN, Route-Map, Prefix List, IPsec encrypted GRE Tunnel

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Question # 55

A company uses an AWS Direct Connect private VIF with a link aggregation group (LAG) that consists of two 10 Gbps connections. The company's security team has implemented a new requirement for external network connections to provide layer 2 encryption. The company's network team plans to use MACsec support for Direct Connect to meet the new requirement.

Which combination of steps should the network team take to implement this functionality? (Choose three.)

Create a new Direct Connect LAG with new circuits and ports that support MACsec.

Associate the MACsec Connectivity Association Key (CAK) and the Connection Key Name (CKN) with the new LAG.

Associate the Internet Key Exchange (IKE) with the existing LAG.

Configure the MACsec encryption mode on the existing LAG.

Configure the MACsec encryption mode on the new LAG.

Configure the MACsec encryption mode on each Direct Connect connection that makes up the existing LAG.

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Question # 56

A company is using a NAT gateway to allow internet connectivity for private subnets in a VPC in the us-west-2 Region. After a security audit, the company needs to remove the NAT gateway.

In the private subnets, the company has resources that use the unified Amazon CloudWatch agent. A network engineer must create a solution to ensure that the unified CloudWatch agent continues to work after the removal of the NAT gateway.

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

Validate that private DNS is enabled on the VPC by setting the enableDnsHostnames VPC attribute and the enableDnsSupport VPC attribute to true.

Create a new security group with an entry to allow outbound traffic that uses the TCP protocol on port 443 to destination 0.0.0.0/0

Create a new security group with entries to allow inbound traffic that uses the TCP protocol on port 443 from the IP prefixes of the private subnets.

Create the following interface VPC endpoints in the VPC: com.amazonaws.us-west-2.logs and com.amazonaws.us-west-2.monitoring. Associate the new security group with the endpoint network interfaces.

Create the following interface VPC endpoint in the VPC: com.amazonaws.us-west-2.cloudwatch. Associate the new security group with the endpoint network interfaces.

Associate the VPC endpoint or endpoints with route tables that the private subnets use.

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