PMSA October Networking Fest-Quiz 1

What is a NAT Gateway used for?

• Enable public subnet to connect to the internet

• Enable private subnet to connect to the internet

• Enable the Internet to connect to private subnet

• Enable the Internet to connect to public subnet

A security group acts as a stateful virtual firewall for your instance. True or False?

• True

• False

How many IP Addresses does AWS reserve within a Subnet?

• 1

• 2

• 5

• None

You have a web application running in an EC2 with an AWS assigned public address, an internet gateway, and domain resolved through Route53. It had been working fine. You had to stop it to apply a critical application fix. After restarting it, the web application is no longer reachable through https://www.mydomain.com. What could be the problem?

• The EC2 instance public address has changed

• The ECS instance private address has changed

• The EC2 Role was not re-attached to the EC2 instance

• The EC2 Security Group was not reattached to the EC2 instance

What is NOT a key component of Transit Gateway?

• TGW Route Table

• NACL

• Route Propagation

• Association

In Direct Connect, what is used to access AWS public services using public IP addresses?

• Private VIF

• Transit VIF

• Public VIF

Which is NOT an Amazon Route53 routing policy?

• Simple

• Parallel

• Failover

• Weighted

A VPC endpoint requires an IGW, NAT device, or VPN Connection. True or False.

• True

• False

You have 3 VPCs named A, B, and C. VPC A is peered with VPC B. VPC B is peered with VPC C. Which statement is true about this peering arrangement?

• Instances in VPC A can reach instances in VPC C by default

• Instances in VPC A can reach instances in VPC C if the correct routes are configured

• Instances in VPC A can reach instances in VPC C if they use a proxy instance in VPC B

• Instances in VPC A can reach instances in VPC C if they set their routes to an instance in VPC B

You can privately access services powered by AWS PrivateLink over AWS Direct Connect. True or False.

• True

• False