Examkin

Question

Difficulty: HardWindows Client Networking Configuration

A network administrator is setting up an Alternate IP Configuration on a Windows 11 laptop for a field technician who frequently alternates between a DHCP-enabled corporate network and an isolated static-only testing lab. After entering the static parameters for the lab under the Alternate Configuration tab in TCP/IPv4 properties, the laptop is connected to the lab network but receives an APIPA address (169.254.x.x169.254.x.x) instead of applying the 10.0.5.0/2410.0.5.0/24 alternate static configuration. Which of the following is the root cause of this issue?

  1. The General tab of the IPv4 properties is manually set to a static IP address rather than configured to obtain an IP address automatically.Answer
  2. B
    The laptop is running Windows 11 Home edition, which disables the Alternate IP Configuration feature on network adapters.
  3. C
    The technician configured IPv4 properties through the Network Connections control panel applet (ncpa.cpl) rather than Credential Manager.
  4. D
    The technician failed to run the ipconfig /registerdns command to bind the alternate static address to the physical network adapter.

Answer

The General tab of the IPv4 properties is manually set to a static IP address rather than configured to obtain an IP address automatically.
In Windows client networking, the Alternate IP Configuration tab allows a user to specify static IP settings (such as IP address, subnet mask, default gateway, and DNS servers) that are automatically applied only when a DHCP server fails to respond on the network. For this mechanism to function, the main General tab under TCP/IPv4 properties must be set to 'Obtain an IP address automatically'. If the General tab is configured with static IP properties, Windows will never initiate a DHCP request, and the Alternate Configuration tab is completely ignored.

Step-by-Step Solution

1
Analyze the problem symptoms and Windows Alternate IP Configuration requirements.
Recognize that Alternate IP Configuration is designed as a fallback mechanism when DHCP discovery fails on a network.
Windows only evaluates the Alternate Configuration tab when the main General tab is set to dynamic DHCP assignment ('Obtain an IP address automatically').
2
Evaluate the current configuration state.
Determine that if static IP settings are manually configured on the General tab, the system will not send DHCP requests or trigger Alternate Configuration settings.
Explicit static settings on the General tab override DHCP discovery and prevent fallback triggers.
3
Identify the corrective action.
Set the General tab of TCP/IPv4 properties to 'Obtain an IP address automatically' while leaving the static parameters under the Alternate Configuration tab.
This enables DHCP discovery on the corporate network and automatic fallback to the alternate static configuration when connected to the lab network.

Key Concept

Windows TCP/IPv4 Alternate IP Configuration Prerequisites
Rate this question

Topics

Windows Client Networking Configuration

More questions from this topic