Requirement: Create 3 EC2 instances (Machine A, Machine B and Machine C)in 3 different VPCs(VPC A, VPC B, VPC C). We should be able to do SSH from Machine A to Machine B and from Machine B to Machine C. However, we should NOT be allowed to Machine B to Machine A as well as Machine C to Machine B Solution: 1. Create two VPC with CIDR Range 10.0.1.0/24, 10.0.2.0/24 & 10.0.3.0/24 2. Create Subnet in respective VPC with range same as VPC CIDR 3. Create two Internet Gateway and attach to respective VPC. 4. In default Route Table add the default Rule (0.0.0.0/0) and target to Internet Gateway. 5. Create Peering connections (for VPC Peering) a. Select the Source as VPC A and destination as VPC B b. Accept the...