220-801 · Question #589
Which of the following settings, when enabled, is MOST likely to result in an IP address conflict on a local network?
The correct answer is D. Static IP address. Manually assigning a static IP address can cause an IP conflict if the same address is given to more than one device on the same network.
Question
Which of the following settings, when enabled, is MOST likely to result in an IP address conflict on a local network?
Options
- ACustom DNS address
- BQoS enabled
- CUPnP enabled
- DStatic IP address
How the community answered
(69 responses)- A3% (2)
- B6% (4)
- C1% (1)
- D90% (62)
Why each option
Manually assigning a static IP address can cause an IP conflict if the same address is given to more than one device on the same network.
A custom DNS address specifies which server resolves hostnames - it does not affect IP address assignment and cannot cause an IP conflict.
Quality of Service (QoS) prioritizes certain network traffic - it operates above the IP assignment layer and does not cause address conflicts.
UPnP (Universal Plug and Play) enables automatic device discovery and port mapping - it does not assign or modify IP addresses in a way that causes conflicts.
A static IP address is configured manually on a device, bypassing the DHCP server that normally ensures each address is unique. If two devices are both assigned the same static IP, the network stack on both hosts will report an IP address conflict, causing connectivity issues for one or both devices.
Concept tested: Static IP address configuration and IP conflict risk
Source: https://learn.microsoft.com/en-us/troubleshoot/windows-client/networking/ip-address-conflict
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