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ANS-C01 Exam Questions Tutorials

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Total 288 questions
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Amazon AWS Certified Advanced Networking - Specialty Questions and Answers

Question 49

A company has deployed an AWS Network Firewall firewall into a VPC. A network engineer needs to implement a solution to deliver Network Firewall flow logs to the company’s Amazon OpenSearch Service (Amazon Elasticsearch Service) cluster in the shortest possible time.

Which solution will meet these requirements?

Options:

A.

Create an Amazon S3 bucket. Create an AWS Lambda function to load logs into the Amazon OpenSearch Service (Amazon Elasticsearch Service) cluster. Enable Amazon Simple Notification Service (Amazon SNS) notifications on the S3 bucket to invoke the Lambda function. Configure flow logs for the firewall. Set the S3 bucket as the destination.

B.

Create an Amazon Kinesis Data Firehose delivery stream that includes the Amazon OpenSearch Service (Amazon Elasticsearch Service) cluster as the destination. Configure flow logs for the firewall Set the Kinesis Data Firehose delivery stream as the destination for the Network Firewall flow logs.

C.

Configure flow logs for the firewall. Set the Amazon OpenSearch Service (Amazon Elasticsearch Service) cluster as the destination for the Network Firewall flow logs.

D.

Create an Amazon Kinesis data stream that includes the Amazon OpenSearch Service (Amazon Elasticsearch Service) cluster as the destination. Configure flow logs for the firewall. Set the Kinesis data stream as the destination for the Network Firewall flow logs.

Question 50

A company has configured an AWS Cloud WAN core network with edge locations in the us-east-1 Region and the us-west-1 Region. Each edge location has two segments: development and staging. The segments use the default core network policy.

The company has attached VPCs to the core network. A development VPC is attached to the development segment in us-east-1 and is configured to use the 10.0.0.0/16 CIDR block. A staging VPC is attached to the staging segment in us-west-1 and is configured to use the 10.5.0.0/16 CIDR block. The company has updated the route tables for both VPCs with a route that directs any traffic for 0.0.0.0/0 to the core network.

The company’s network team needs to establish communication between the two VPCs by using the AWS Cloud WAN core network. The network team is not receiving a response during tests of communication between the VPCs. The network team has verified that security groups and network ACLs are not blocking the traffic.

What should the network team do to establish this communication?

Options:

A.

Update both VPC route tables to have a new static route. Configure a route on the development VPC to direct the traffic for 10.0.0.0/16 to the development VPC attachment. Configure a route on the staging VPC to direct the traffic for 10.5.0.0/16 to the staging VPC attachment.

B.

Update the segment filter to allow traffic on the development and staging segments.

C.

Set the isolate-attachments parameter to False for the development and staging segments.

D.

Update the core network policy to add a static route for each segment. Configure a route to direct the traffic for 10.0.0.0/16 to the development VPC attachment. Configure a route to direct the traffic for 10.5.0.0/16 to the staging VPC attachment.

Question 51

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?

Options:

A.

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.

B.

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.

C.

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.

D.

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 52

A company has a transit gateway in a single AWS account. The company sends flow logs for the transit gateway to an Amazon CloudWatch Logs log group.

The company created an AWS Lambda function to analyze the logs. The Lambda function sends a notification to an Amazon Simple Notification Service (Amazon SNS) topic when a VPC generates traffic that is dropped by the transit gateway. Each notification contains the account ID. VPC ID, and total amount of dropped packets.

The company wants to subscribe a new Lambda function to the SNS topic. The new Lambda function must automatically prevent the traffic that is identified in each notification from leaving a VPC by applying a network ACL to the transit gateway attachment subnets in the VPC that generates the traffic.

Which solution will meet these requirements?

Options:

A.

Configure the existing Lambda function to add the destination IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an outbound rule by using the destination IP addresses in the network ACL.

B.

Configure the existing Lambda function to add the source IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an inbound rule by using the source IP addresses in the network ACL.

C.

Configure the existing Lambda function to add the source IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an outbound rule by using the source IP addresses in the network ACL.

D.

Configure the existing Lambda function to add the destination IP addresses of the dropped traffic to each SNS notification. Configure the new Lambda function to create an inbound rule by using the destination IP addresses in the network ACL.

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Total 288 questions
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