Networking - Network Address Translation

Exercise : Network Address Translation - Network Address Translation
  • Network Address Translation - Network Address Translation
1.
Which command would you place on interface connected to the Internet?
ip nat inside
ip nat outside
ip outside global
ip inside local
Answer: Option
Explanation:
As in access-lists, you must configure your interfaces before NAT will provide any translations. On the inside networks you would use the command ip nat inside. On the outside interface, you will use the command ip nat outside.

2.
Which command will show you all the translations active on your router?
show ip nat translations
show ip nat statistics
debug ip nat
clear ip nat translations *
Answer: Option
Explanation:
The command show ip nat translations will show you the translation table containing all the active NAT entries.

3.
Which command would you place on interface on a private network?
ip nat inside
ip nat outside
ip outside global
ip inside local
Answer: Option
Explanation:
As in access-lists, you must configure your interfaces before NAT will provide any translations. On the inside networks you would use the command ip nat inside. On the outside interface, you will use the command ip nat outside.

4.
Port Address Translation is also termed what?
NAT Fast
NAT Static
NAT Overload
Overloading Static
Answer: Option
Explanation:
Another term for port address translation is NAT Overload because that is the command used to enable port address translation.

5.
When creating a pool of global addresses, which of the following can be used instead of the netmask command?
/ (slash notation)
prefix-length
no mask
block-size
Answer: Option
Explanation:
Instead of the netmask command, you can use the prefix-length <length> statement.