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200-301 · Question #125

Refer to the exhibit. Which feature is enabled by this configuration?

The correct answer is C. a dynamic NAT address pool. The provided configuration, defining an ip nat pool and linking it to an access-list with ip nat inside source list <acl> pool <pool_name>, enables dynamic Network Address Translation (NAT).

Submitted by kim_seoul· Mar 5, 2026IP Services

Question

Refer to the exhibit. Which feature is enabled by this configuration?

Options

  • Astatic NAT translation
  • Ba DHCP pool
  • Ca dynamic NAT address pool
  • DPAT

How the community answered

(50 responses)
  • A
    8% (4)
  • B
    2% (1)
  • C
    86% (43)
  • D
    4% (2)

Why each option

The provided configuration, defining an `ip nat pool` and linking it to an access-list with `ip nat inside source list <acl> pool <pool_name>`, enables dynamic Network Address Translation (NAT).

Astatic NAT translation

Static NAT involves a one-to-one, permanent mapping between specific private and public IP addresses, typically configured with `ip nat inside source static` commands, which are not present here.

Ba DHCP pool

A DHCP pool is used to assign IP addresses to client devices within a network and is configured with `ip dhcp pool` commands, unrelated to NAT functionality.

Ca dynamic NAT address poolCorrect

The command `ip nat pool MY_POOL 209.165.201.10 209.165.201.20 netmask 255.255.255.224` defines a pool of global (public) IP addresses. The subsequent command `ip nat inside source list 1 pool MY_POOL` instructs the router to dynamically translate private IP addresses matching access-list 1 to an available public IP address from this defined pool, thus enabling dynamic NAT.

DPAT

PAT (Port Address Translation) or NAT Overload, allows multiple private IP addresses to share a single public IP address using different port numbers. This is typically indicated by the `overload` keyword or a pool with a single IP, not explicitly by the range-based `ip nat pool` command shown.

Concept tested: Dynamic NAT pool configuration

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_nat/configuration/xe-3s/nat-xe-3s-book/iadnat-basic-nat.html#d500696e106

Topics

#NAT#Dynamic NAT#NAT Pool#Cisco IOS NAT

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