Networking Flashcards
1
Q
What are the VPC size limits for IPv4?
A
Largest is a /16 network yielding 65,535 IPv4 addresses. Smallest is a /28 network yielding 16 IPv4 addresses.
2
Q
What is the CIDR of the AWS default VP?
A
The default CIDR is 172.31.0.0/16.
3
Q
What is a CGW?
A
Customer Gateway - A logical configuration representation of an external network router, useful in hybrid cloud scenarios.
4
Q
How many IPv4 addresses are reserved (unavailable) per subnet?
A
Five.