CompTIA
220-1002 · Question #808
220-1002 Question #808: Real Exam Question with Answer & Explanation
The correct answer is B: Set the laptop configuration to DHCP to prevent conflicts.. The new laptop was likely assigned the same static IP as the desktop, causing an IP conflict; setting the laptop to DHCP removes the conflict and lets the desktop retain the required static address.
Question
A user turns on a new laptop and attempts to log in to specialized software, but receives a message stating that the address is already in use. The user logs on to the old desktop and receives the same message. A technician checks the account and sees a comment that the user requires a specifically allocated address before connecting to the software. Which of the following should the technician do to MOST likely resolve the issue?
Options
- ABridge the LAN connection between the laptop and the desktop.
- BSet the laptop configuration to DHCP to prevent conflicts.
- CRemove the static IP configuration from the desktop.
- DReplace the network card in the laptop, as it may be defective.
Explanation
The new laptop was likely assigned the same static IP as the desktop, causing an IP conflict; setting the laptop to DHCP removes the conflict and lets the desktop retain the required static address.
Common mistakes.
- A. Bridging LAN connections between the laptop and desktop would not resolve an IP address conflict and would create an unnecessary and potentially disruptive network configuration.
- C. Removing the static IP from the desktop would eliminate the specifically allocated address that the user's software requires, preventing the software from functioning on the correct device.
- D. A defective NIC would cause connectivity failure, not an 'address already in use' error, which is a Layer 3 IP conflict symptom.
Concept tested. Resolving static IP address conflicts with DHCP
Reference. https://learn.microsoft.com/en-us/troubleshoot/windows-client/networking/ip-address-conflict
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