N10-005 · Question #472
A technician has spent most of the day replacing a server running DHCP. Some of the users have begun to call the help desk stating that Internet connection stopped working even after rebooting. Upon…
The correct answer is C. Wait five minutes until the PC resends a DHCP request. A 169.254.x.x address is an APIPA (Automatic Private IP Addressing) address, automatically assigned by Windows when a DHCP server cannot be reached. While a client holds an APIPA address, it continues to send DHCP Discover broadcasts approximately every five minutes to find a…
Question
A technician has spent most of the day replacing a server running DHCP. Some of the users have begun to call the help desk stating that Internet connection stopped working even after rebooting. Upon investigation, the users' PCs with issues all have IP addresses that start with 169.254.x.x. The technician completes the replacement and powers on the new DHCP server. Which of the following is the BEST way to provide the PCs with issues a new IP address?
Options
- AStatically assign a legitimate IP address, and then set the PCs' NICs to DHCP
- BInform each user to replace 169.254 with 192.168
- CWait five minutes until the PC resends a DHCP request
- DRun netstat on each PC and then reboot into safe mode
How the community answered
(25 responses)- A4% (1)
- B16% (4)
- C76% (19)
- D4% (1)
Explanation
A 169.254.x.x address is an APIPA (Automatic Private IP Addressing) address, automatically assigned by Windows when a DHCP server cannot be reached. While a client holds an APIPA address, it continues to send DHCP Discover broadcasts approximately every five minutes to find a DHCP server. Once the new DHCP server is online, the next automatic DHCP Discover from the client will receive a proper lease - no manual intervention is needed on each PC. Statically assigning and then reverting (A) is unnecessarily labor-intensive. Telling users to manually edit their IP (B) is incorrect and could cause errors. Running netstat and rebooting into safe mode (D) is completely unrelated to DHCP lease acquisition.
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