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CompTIA DHTI+ Practice Questions

Category - DHTI

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You are trying to connect to the Internet using a Windows Vista laptop. The laptop is not able to obtain an IP address from the DHCP server. The DHCP server is working fine, since all other computers running on Windows XP are able to connect to the Internet. Which of the following should you do to fix the issue?
  1. Reinstall Windows Vista on the laptop.
  2. Install Windows XP on the laptop.
  3. Disable the DHCP broadcast flag in the system registry.
  4. Run the ipconfig/renew command in the command prompt.
Explanation
Answer - C - You should disable the DHCP broadcast flag in the system registry.

Key Takeaway: To disable the DHCP broadcast flag on a Windows Vista PC, click the Start menu and enter regedit in the Start Search box. From the Programs list that results, click regedit. You may be prompted for an administrator password to continue this action.

Expand the HKEY_LOCAL_MACHINE tree and locate the SYSTEMCurrentControlSet ServicesTcpipParameters Interfaces{GUID} subkey. Find the GUID subkey for the network adapter on which you are having a problem.

From the Edit menu, select New and then click DWORD (32-bit) Value to open a New Value #1 dialog box. Enter DhcpConnDisableBcastFlagToggle and press ENTER. Right-click DhcpConnDisableBcastFlagToggle and choose Modify from the pop-up menu. In the Modify Value dialog box, enter a 1. Click OK to save the setting. Exit the regedit utility and restart the system.
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