Network Address Translation Questions and Answers

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Showing 10 of 43 questions
Q11
Which command will allow you to see real-time translations on your router?
  • A show ip nat translations
  • B show ip nat statistics
  • C debug ip nat
  • D clear ip nat translations *
Answer: Option C
Q12
Which of the following would be good reasons to run NAT?     You need to connect to the Internet and your hosts don't have globally unique IP addresses.     You change to a new ISP that requires you to renumber your network.     You don't want any hosts connecting to the Internet.     You require two intranets with duplicate addresses to merge.
  • A 1, 2 and 4
  • B 2 and 4
  • C 3 only
  • D All of the above
Answer: Option A
Q13
Which of the following are advantages of using NAT?     Translation introduces switching path delays.     Conserves legally registered addresses.     Causes loss of end-to-end IP traceability.     Increases flexibility when connecting to the Internet.     Certain applications will not function with NAT enabled.     Reduces address overlap occurrence.
  • A 1, 3 and 4
  • B 3, 5 and 6
  • C 5 and 6
  • D 2, 4 and 6
Answer: Option D
Q14
Which of the following is considered to be the address before translation?
  • A Inside local
  • B Outside local
  • C Inside global
  • D Outside global
Answer: Option A
Q15
Which of the following are disadvantages of using NAT?     Translation introduces switching path delays.     Conserves legally registered addresses.     Causes loss of end-to-end IP traceability.     Increases flexibility when connecting to the Internet.     Certain applications will not function with NAT enabled.     Reduces address overlap occurrence.
  • A 1, 3 and 5
  • B 3 and 4
  • C 2, 4 and 5
  • D 1 and 3
Answer: Option A
Q16
Which of the following is considered to be the destination host after translation?
  • A Inside local
  • B Outside local
  • C Inside global
  • D Outside global
Answer: Option D
Q17
 Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?
  • A ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.240
  • B ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224
  • C ip nat pool todd 171.16.10.65 171.16.10.94 net 255.255.255.224
  • D ip nat pool Todd 171.16.10.1 171.16.10.254 net 255.255.255.0
Answer: Option B
Q18
Which command will clear all the translations active on your router?
  • A show ip nat translations
  • B show ip nat statistics
  • C debug ip nat
  • D clear ip nat translations *
Answer: Option D
Q19
Which type of NAT maps multiple private IPs to a single public IP using different port numbers?
  • A Static NAT
  • B Dynamic NAT
  • C PAT
  • D DNAT
Answer: Option C
Explanation: PAT uses port numbers to allow many private hosts to share one public IP.
Q20
Which NAT type provides a one-to-one mapping between private and public IPs?
  • A Static NAT
  • B PAT
  • C Dynamic NAT
  • D Overloaded NAT
Answer: Option A
Explanation: Static NAT creates fixed one-to-one mapping.

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