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Difficulty: EasyNAT and PAT Implementation

A network administrator is inspecting a router's Network Address Translation (NAT) table to verify traffic flow. Which of the following terms specifically describes the private IPv4 address assigned to a host on the internal network before any address translation takes place?

  1. Inside LocalAnswer
  2. B
    Inside Global
  3. C
    Outside Local
  4. D
    Outside Global

Answer

Inside Local is the standard network address translation term for the un-translated private IPv4 address assigned to a device on the internal network.
Inside Local is the technical term used in networking to identify the private IP address assigned to an end device on an internal network before Network Address Translation is performed.

Step-by-Step Solution

1
Identify the location of the host and the point of observation.
The host is on the internal network ('Inside'), and the address is observed before translation occurs ('Local').
Standard NAT naming conventions combine location descriptors (Inside/Outside) with visibility scope (Local/Global).
2
Select the NAT term matching an untranslated internal host address.
Combining 'Inside' and 'Local' yields 'Inside Local'.
'Inside Local' specifically denotes the original private IP address configured on an internal endpoint.

Key Concept

NAT Terminology and Address Types
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Topics

NAT and PAT Implementation

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