Network Address Translation Questions and Answers
Network Address Translation (NAT) is a critical networking concept widely used in routers and firewalls to manage IP address mapping between private and public networks. This section features networking interview questions and answers that focus on NAT configuration, benefits, and real-world scenarios. Whether preparing for Cisco CCNA, Infosys, HCL, or other IT placements, understanding NAT concepts is key to clearing both technical and HR rounds. The questions cover static, dynamic, and PAT mechanisms with practical examples. Strengthen your networking knowledge with detailed placement papers with answers, ideal for students and professionals aiming to excel in networking roles.
Network Address Translation
Showing 10 of
43 questions
1. Which command would you place on interface connected to the Internet?
- ip nat inside
- ip nat outside
- ip outside global
- ip inside local
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 *
3. Which command would you place on interface on a private network?
- ip nat inside
- ip nat outside
- ip outside global
- ip inside local
4. Pat Address Translation is also termed what?
- NAT Fast
- NAT Static
- NAT Overload
- Overloading Static
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
6. Which of the following would be a good starting point for troubleshooting if your router is not translating?
- Reboot.
- Call Cisco.
- Check your interfaces for the correct configuration.
- Run the debug all command.
7. Which command will show you the summary of the NAT configuration?
- show ip nat translations
- show ip nat statistics
- debug ip nat
- clear ip nat translations *
8. Which of the following is considered to be the destination host before translation?
- Inside local
- Outside local
- Inside global
- Outside global
9. Which of the following is considered to be the address after translation?
- Inside local
- Outside local
- Inside global
- Outside global
10. Which are considered the methods of NAT? Static IP NAT pool Dynamic NAT double-translation Overload
- 1 and 6
- 3 only
- 1, 3 and 5
- All of the above