1
Q
What is a Inside Local address?
A
Usually an RFC 1918 IP (Private IP address)
2
Q
What is a Inside Global address?
A
Public IP inside host is given as it exits NAT
3
Q
What is a Outside Global address?
A
Reachable IP of a host on the Internet
4
Q
What is a Outside Local address?
A
The local IP assigned to an outside
5
Q
What is Static NAT?
A
Static NAT uses a one-to-one mapping of local and global IPs
Configured by the admin and remain constant always in NAT table
6
Q
What is Dynamic NAT
A
Dynamic NAT uses a pool of public addresses and assigns them on a FIFO (First In First Out) basis
7
Q
What are four [4] Reasons that NAT is positive?
A
- Conservers IPv4 addresses
- Increases the flexibility of connections to public networks
- Provides consistency even if enterprise changes ISPs
- Provides some security
8
Q
What are five [5] Reasons that NAT is Negative?
A
- Performance – translation takes time
- Prevents some apps (e.g. digital signatures)
- End-to-end IP traceability is lost (i.e. auditing)
- Complicates tunnelling protocols, such as IPsec
- Some services can be disrupted
9
Q
What is IPv6 Unique Local Addresses prefix
A
FC00::/7 (FC00 to FDFF)
