A User Has Created a VPC with Public and Private

Multiple Choice

A user has created a VPC with public and private subnets. The VPC has CIDR 20.0.0.0/16. The private subnet uses CIDR 20.0.1.0/24 and the public subnet uses CIDR 20.0.0.0/24. The user is planning to host a web server in the public subnet (port 80. and a DB server in the private subnet (port 3306) . The user is configuring a security group of the NAT instance. Which of the below mentioned entries is not required for the NAT security group?

A) For Inbound allow Source: 20.0.1.0/24 on port 80
B) For Outbound allow Destination: 0.0.0.0/0 on port 80
C) For Inbound allow Source: 20.0.0.0/24 on port 80
D) For Outbound allow Destination: 0.0.0.0/0 on port 443