| Exam Code | ANS-C00 |
| Exam Name | AWS Certified Advanced Networking Specialty Exam |
| Questions | 154 Questions Answers With Explanation |
| Update Date | November 08,2024 |
| Price |
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A company runs a large-scale application on a feel of Amazon EC2 instances that ate distributed across several VPCs A Network Load Balancer (NLB) in a separate VPC routes traffic to the EC2 instances The NLB's VPC is peered to all the application VPCs The application must process millions of requests each minute during times of peak utilization Users are reporting that the connections to the application are failing during peak times Monitoring shows an increase in port allocation errors on the NLB. Which action will solve this issue with the LEAST change to the architecture?
A. Increase the number of EC2 instances in the target group
B. Create an Application Load Balancer for the target group
C. Add a new target group to the same NLB listener
D. Change the target group type to 'instance"
A company is running services in a VPC with a CIDR block of 10.5.0.0/22 End users report that they no longer can provision new resources because some ot the subnets in theVPC have run out of IP addresses How should a network engineer resolve this issue?
A. Add 10 5.2.0/23 as a second CIDR block to the VPC Create a new subnet with a new CIDR block, and provision new resources in the new subnet
B. Add 10 5.4.0/21 as a second CIDR block to the VPC Assign a second network from this CIDR block to the existing subnets that have run out of IP addresses
C. Add 10.5.4.0/22 as a second CIDR block to the VPC. Assign a second network from this CIDR block to the existing subnets that have run out of IP addresses
D. Add 10.5.4.0/22 as a second CIDR block to the VPC. Create a new subnet with a new CIDR block, and provision new resources in the new subnet
A company has Iwo on-premises data center locations. There is a company-managed router at earn data center. Each data center has a dedicated AWS Direct Connect connection to a Direct Connect gateway through a private virtual interface The router for the first location is advertising 110 routes to the Direct Connect gateway by using BGP and the router tor the second location is advertising 60 routes to the Direct Connect gateway by using BGP The Direct Connect gateway is attached to a company VPC through a virtual private gateway A network engineer receives reports that resources In the VPC are not reachable from various locations in either data center. The network engineer checks the VPC route table and sees that the routes from the first data center. location are not being populated into the route table The network engineer must resolve this issue in the most operationally efficient manner What should the network engineer do to meet these requirements'
A. Remove the Direct Connect gateway, and create a new private virtual interface from each company router to the virtual private gateway of the VPC
B. Change the router configurations to summarize the advertised routes
C. Open a support ticket to increase the quota on advertised routes to the VPC route table
D. Create an AWS Transit Gateway Attach the transit gateway to the VPC and connect the Direct Connect gateway to the transit gateway.
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 tor 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''
A. Configure the NAT gateway timeout to allow connections for up to 600 seconds
B. Enable enhanced networking on the client EC2 instances
C. Enable TCP keepalive on the client EC2 instances with a value of less than 300 seconds
D. Close idle TCP connections though the NAT gateway
A. lambda. ListFunctions, lambda:GetPolicy, and ec2 Delete RouteTable
B. ec2:AssociateAddress, ec2 ModifylnstanceAttribute. and ec2 AssociateRouteTable
C. ec2:CreateNetworklntertace ec2 DeleteNetworklnterface, and ec2 ReplaceRoute
D. ec2:Describei.ifecydoHooks, ec2 DescribeScalingActivities, and ec2 DescribePolicies
A financial services company receives real-time stock quotes in its ingestion VPC. The company plans to perform customer-specific data analysis on the stock quotes in various VPCs. The stock quotes must be distributed simultaneously from Amazon EC2 instances in the ingestion VPC to EC2 instances in the data analysis VPCs Which set of configuration steps should the company lake to meet these requirements?
A. Configure EC2 instances m f he ingestion VPC as IP unicast senders Configure a transit gateway to serve as a unicast router for instances that send traffic destined for the EC2 instances in the data analysis VPCs.
B. Configure VPC peering between the ingestion VPC and the data analysis VPCs Configure an Application Load Balancer to distribute Virtual Extensible LAN (VXLAN)- encapsulated traffic from the sender EC2 instances to the receiver EC2 instances.
C. Configure EC2 instances m the ingestion VPC as IP multicast senders Configure a transit gateway to serve as a multicast router for instances that send traffic destined for the EC2 instances m the data analysis VPCs
D. Configure Amazon Kinesis Data Forehose to capture streaming data from the ingestion VPC and load the data into Amazon S3 Configure the instances in the data analysis VPCs to download the data from Amazon S3 for processing
A company with several VPCs in the us-east-1 Region wants to reduce the cost of its workloads A network engineer has identified that all traffic bound to Amazon services is flowing through a NAT gateway. Additionally, all the VPCs are peered to a hub VPC for access to common services.
A. Disable the private DNS name for the SQS endpoint. Create an Amazon Route 53 private hosted zone for the domain us-east-1.sqs.amazonaws.com. Create a CNAME record to the DNS name of the SQS endpoint Share the private hosted zone with ail other VPCs
B. Disable the private DNS name for the SOS endpoint. Create an Amazon Route 53 private hosted zone for the domain sqs.us-east-1 .amazonaws.com. Create an alias record to the DNS name of the SOS endpoint. Share the private hosted zone with all other VPCs
C. Enable the private DNS name for the SOS endpoint Create an Amazon Route 53 private hosted zone for the domain SQS.us-east-t.amazonaws.com. Create a CNAME record to the DNS name of the SQS endpoint. Share the private hosted zone with all other VPCs.
D. Enable the private DNS name for the SQS endpoint. Create an Amazon Route 53 private hosted zone for the domain us-east-1 .sqs.amazonaws.com. Create an alias record to the DNS name of the SQS endpoint. Share the private hosted zone with all other VPCs.
A. The security group cannot filter outbound traffic to the Amazon DNS servers
B. The security group must have inbound rules to prevent DNS requests from coming back to EC2 instances.
C. The EC2 instances are using the HTTPS port to send DNS queries to Amazon DNS servers
D. The security group cannot filter outbound traffic to destinations within the same VPC
A company has established an AWS Direct Connect connection between its customer gateway at its on-premises data center and a virtual private gateway m the AWS Cloud The BGP routing protocol configuration includes the Autonomous System Number {ASN) of 7224 on the AWS end of the connection and the BGP ASN of 65004 on the company end of the connection The company's IT administrators report that servers that run at the on-premises data center are not able to communicate with the company's web application that runs on a fleet of Amazon EC2 Instances A network engineer performs initial troubleshooting The network engineer finds that the private VIF is operational and that there is a fully established BGP peering session However, the company still cannot route traffic over the private VIF Which of the following is a possible cause of this connectivity issue?
A. Firewall or ACL rules are blocking TCP pod 179 or are blocking high-numbered ephemeral TCP pons
B. The provider is advertising 50 prefixes for private VIFs
C. VPC route tables am lacking prefixes that point to the virtual private gateway to which the private VIF is connected
D. Peer IP addresses for both sides of the BGP peering session are not configured correctly.
A logistics company has deployed a hybrid environment that has multiple VPCs in both the us-east-1 Region and the af-south-1 Region The on-premises data center is connected to us-east-1 through an AWS Direct Connect connection The Direct Connect connection is connected to a Direct Connect gateway that is associated with a transit gateway The transit gateway is attached to all the VPCs in us-east-1 An application that is deployed in af-south-1 requires access to a database in the data center The application also requires access to file storage in a VPC in us-east-1 Which solution will meet these requirements with the LOWEST latency?
A. Create a transit gateway in af-south-1, and attach the VPCs Create a transit gateway peering connection between the transit gateways
B. Create a Direct Connect connection in af-south-1, and attach the VPCs with a Direct Connect gateway and a transit gateway Create an AWS Site-to-Site VPN connection over the internet between the Direct Connect connections.
C. Create a transit gateway in af-south-1 and attach the VPCs Associate the transit gateway in af-south-1 with the Direct Connect gateway tn us-east-1
D. Create inter-Region VPC peering connections between the VPCs in each Region Use the transit gateway attachments in us-east-1 to access the database in the data center
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