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What should you do to fix this problem?

The router interfaces for a network are configured as shown in the following exhibit. (Click the Exhibit(s) button.)

Warehouse 1 is having trouble connecting to the Internet. After troubleshooting the issue, several other connectivity issues are discovered.
What should you do to fix this problem?

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A.
Change the IP address of the Warehouse 1 LAN interface.

B.
Change the IP address of the Warehouse 1 WAN interface.

C.
Change the IP address of the Main Office LAN Interface.

D.
Change the IP address of the Main Office WAN interface.

E.
Change the IP address of the Main Office Internet interface.

Explanation:
You should change the IP address of the Main Office WAN interface.
With a 29-bit mask and the chosen class B address,the following network IDs are created:
172.16.0.0
172.16.0.8
172.16.0.16
172.16.0.24
172.16.0.32
172.16.0.40
172.16.0.48
172.16.0.56
172.16.0.64
and so on, incrementing each time by 8 in the last octet. At the end of this series of increments, the network IDs will be:
172.16.1.240
172.16.1.248
172.16.2.0
172.16.1.248/29 is the subnet number for the WAN. This address cannot be used as a host address on the network. The legitimate addresses in this range are
172.16.0.249 through 172.16.0.254. This misconfiguration would cause both the Warehouse 1 and Warehouse 2 segment to have trouble connecting to the
Internet.
All of the other addresses in the diagram are correct. The correct configuration of the network is shown in the following diagram:

Objective:
Network Fundamentals
Sub-Objective:
Configure, verify, and troubleshoot IPv4 addressing and subnetting

https://www.cisco.com/c/en/us/support/docs/ip/routing-information-protocol-rip/13788-3.html

One Comment on “What should you do to fix this problem?”

  1. lookatthatcert says:

    I am confused by this answer.
    Changing the WAN IP address on the Main Office router to match Warehouse 1’s WAN IP (172.16.1.249/29 – aka 172.16.1.247/29 network) would result in an IP conflict with the Main Office WAN interface for Warehouse 2 (which is also incorrectly configured and is shown to also be on the 172.16.1.247/29 network.).
    If we are only fixing Warehouse 1 connections (and not changing the configurations for Warehouse 2), we would need to change the IP address on Warehouse 1’s WAN interface.

    Perhaps Answer D should specify Interfaces, in order to make it plural?




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