Lesson-09 : Quiz

You are working as a solutions architect and want to upload files to AWS S3 bucket through AWS VPC in a private way. In current VPC, you created a subnet, a VPC endpoint for S3 and one route table that routes traffic from the subnet to a NAT gateway and traffic to S3 through the internet via the NAT gateway. But you noticed that the request to S3 bucket from an n EC2 instance is not coming via the Internet through the NAT Gateway in access logs. What could be the reason?

Katie is working as a cloud engineer. The company is maintaining all the important data locally. Katie is doubtful on security issues and is suggesting to deploy the application in AWS. In the process of deployment, katie is suggesting about security group. What is the role of security group in security and redundancy issues?

An ABC company is planning to download patches into existing EC2 instance in private subnet of custom VPC. They created a NAT gateway and NAT instance updating route in route tables. But connection is getting time out, whenever they are trying to download patches from internet. What will be the reason?

Mike is a solutions architect in his organization. He has created three VPCs i.e. VPC A, VPC B and VPC C. He has decided to peer VPC A to VPC B and VPC B to VPC C. He then created a NAT g/w in VPC B and decided to use the same NAT g/w within VPC A and VPC C resources. But later he found out that the resources in VPC A and VPC C are not able to communicate to internet via NAT g/w, whereas VPC B can. What will be the probable reason?

A company bought a VPC with CIDR range 10.10.0.0/16 and a subnet with CIDR 10.10.1.0/24./24 CIDR contains 256 IP addresses. But the console shows only 251 addresses with no new resources launched. What is the main reason behind this?