220-1102 Practice Question: APIPA addresses are in the 169.254.0.0/16 range.

Answer choices

Why each option matters

Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.

Answer analysis

Why the other options are wrong

Understanding why incorrect options are tempting is as important as knowing the correct answer.

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  System Restore

  System Restore is useful for reversing certain Windows changes but is not the best fit for this specific goal.

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  Event Viewer

  Event Viewer is useful for logs, but this scenario requires a different primary tool or control.

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  Local Users and Groups

  Local user management does not directly address the stated issue.

Technical deep dive

How to think about this question

The core concept being tested here revolves around network connectivity and IP address assignment, specifically how to intentionally trigger an Automatic Private IP Addressing (APIPA) address. APIPA addresses (169.254.0.0/16) are self-assigned by a Windows client when it is configured to obtain an IP address automatically (via DHCP) but cannot reach a DHCP server. To achieve the immediate goal of receiving an APIPA address, the most direct approach is to ensure the workstation is attempting to get a DHCP address but is prevented from doing so successfully. This involves first ensuring the network adapter is set to obtain an IP address automatically, then simulating a failure to reach a DHCP server. A DHCP lease renewal attempt will confirm the client is trying to get an address, and if it fails, it will fall back to APIPA. Simultaneously, checking or manipulating the switch-port/VLAN configuration is crucial because it directly controls network access and whether the workstation can communicate with a DHCP server. Forcing a port into an isolated VLAN or disabling it would prevent DHCP communication, leading to an APIPA address. This combination directly addresses the 'receives an APIPA address' goal by manipulating the conditions under which APIPA occurs. In contrast, Event Viewer (B) is for logging and post-mortem analysis; it wouldn't actively cause an APIPA address to be assigned. Local Users and Groups (C) manages local user accounts and permissions, which is entirely unrelated to network IP addressing. System Restore (D) reverts system files and registry settings to a previous state, useful for recovering from software issues, but it has no direct mechanism to force an APIPA address or troubleshoot network connectivity in this manner. The correct option directly manipulates the network environment and the client's IP acquisition process to achieve the desired outcome.

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