AWS Certified Advanced Networking - Sample Exam Questions
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Contents
1)
A gaming company is planning to launch a globally available game that is hosted in one AWS Region. The game backend is hosted on Amazon EC2 instances that are part of an Auto Scaling group. The game uses the gRPC protocol for bidirectional streaming between game clients and the backend. The company needs to filter incoming traffic based on the source IP address to protect the game. Which solution will meet these requirements?
A) Configure an AWS Global Accelerator accelerator with an Application Load Balancer (ALB) endpoint. Attach the ALB to the Auto Scaling group. Configure an AWS WAF web ACL for the ALB to filter traffic based on the source IP address.
B) Configure an AWS Global Accelerator accelerator with a Network Load Balancer (NLB) endpoint. Attach the NLB to the Auto Scaling group. Configure security groups for the EC2 instances to filter traffic-based on the source IP address. C) Configure an Amazon CloudFront distribution with an Application Load Balancer (ALB) endpoint. Attach the ALB to the Auto Scaling group. Configure an AWS WAF web ACL for the ALB to filter traffic based on the source IP address.
D) Configure an Amazon CloudFront distribution with a Network Load Balancer (NLB) endpoint. Attach the NLB to the Auto Scaling group. Configure security groups for the EC2 instances to filter traffic based on the source IP address.
2)
A company has multiple VPCs in the us-east-1 Region. The company has deployed a website in one of the VPCs. The company wants to implement split-view DNS so that the website is accessible internally from the VPCs and externally over the internet with the same domain name, example.com. Which solution will meet these requirements?
A) Change the DHCP options for each VPC to use the IP address of an on-premises DNS server. Create a private hosted zone and a public hosted zone for example.com. Map the private hosted zone to the website's internal IP address. Map the public hosted zone to the website's external IP address.
B) Create Amazon Route 53 private hosted zones and public hosted zones that have the same name, example.com. Associate the VPCs with the private hosted zone. Create records in each hosted zone that determine how traffic is routed.
C) Create an Amazon Route 53 Resolver inbound endpoint for resolving example.com internally. Create a Route 53 public hosted zone for routing external DNS queries. D) Create an Amazon Route 53 Resolver outbound endpoint for resolving example.com externally. Create a Route 53 private hosted zone for routing internal DNS queries.
3)
A company has developed a new web application that processes confidential data that is hosted on Amazon EC2 instances. The application needs to scale and must use certificates to authenticate clients. The application is configured to request a client's certificate and will validate the certificate as part of the initial handshake. Which Elastic Load Balancing (ELB) solution will meet these requirements?
A) Configure an Application Load Balancer (ALB) that includes an HTTPS listener on port 443. Create an Auto Scaling group for the EC2 instances. Configure the Auto Scaling group as the target group of the ALB. Configure HTTPS as the protocol for the target group.
B) Configure a Network Load Balancer (NLB) that includes a TLS listener on port 443. Create an Auto Scaling group for the EC2 instances. Configure the Auto Scaling group as the target group of the NLB. Configure the NLB to terminate TLS. Configure TLS as the protocol for the target group.
C) Configure a Network Load Balancer (NLB) that includes a TCP listener on port 443. Create an Auto Scaling group for the EC2 instances. Configure the Auto Scaling group as the target group of the NLB. Configure TCP as the protocol for the target group.
D) Configure an Application Load Balancer (ALB) that includes a TLS listener on port 443. Create an Auto Scaling group for the EC2 instances. Configure the Auto Scaling group as the target group of the ALB. Configure TLS as the protocol for the target group.
4)
A company collects a high volume of shipping data and stores the data in an on-premises data center. A network engineer wants to use Amazon S3 to store the data during the first phase of a migration to AWS. During this phase, an application that resides in the data center will need to access the data privately in an S3 bucket that the company created. The company has set up an AWS Direct Connect connection with a private VIF to connect the on-premises data center to a VPC. The network engineer plans to use this Direct Connect connection for the hybrid cloud setup. The solution must be highly available. What should the network engineer do next to implement this architecture?
A) Configure an S3 gateway endpoint in the VPC. Update VPC route tables to route traffic to the S3 gateway endpoint. Configure the S3 gateway endpoint DNS name in the on-premises application.
B) Configure an S3 interface endpoint in the VPC. Configure the S3 interface endpoint DNS name in the on-premises application.
C) Configure an S3 gateway endpoint in the VPC. Update VPC route tables to route traffic to the S3 gateway endpoint. Configure an HTTP proxy on an Amazon EC2 instance in the VPC to route traffic to the S3 gateway endpoint. Configure the HTTP proxy DNS name in the on-premises application.
D) Configure an S3 interface endpoint in the VPC. Update VPC route tables to route traffic to the S3 interface endpoint. Configure an HTTP proxy on an Amazon EC2 instance in the VPC to route traffic to the S3 interface endpoint. Configure the HTTP proxy DNS name in the on-premises application.
See also
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