220-1202 Practice Question: That their Android phone will not connect to…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

• ✗

  Check if the router is using MAC address filtering.

  Why it's wrong here

  MAC address filtering is a network security feature configured on the wireless access point or router, designed to permit or deny network access based on a device's unique hardware address. While it could prevent a phone from connecting, it's a less common configuration for general Wi-Fi networks and would typically affect *all* new devices unless specifically added. If other devices are connecting successfully, it's highly improbable that MAC filtering is the sole reason *this specific* Android phone cannot connect, making it a lower-priority troubleshooting step compared to client-side authentication issues.

• ✓

  Verify the Wi-Fi password is being entered correctly.

  Why this is correct

  Incorrectly entering the Wi-Fi password is the most frequent cause of connection failures for wireless devices. Wireless networks, especially those secured with WPA2/WPA3-Personal, rely on a pre-shared key (PSK) for authentication. A single typo, incorrect capitalization, or an extra space will result in an authentication failure, preventing the Android phone from associating with the access point and obtaining an IP address. This simple verification should always be the initial troubleshooting step before investigating more complex network or device-specific issues.

• ✗

  Reset the phone's network settings to default.

  Why it's wrong here

  Resetting the phone’s network settings clears saved Wi-Fi profiles, Bluetooth pairings, and VPN configurations, but it does not address authentication failures caused by mismatched corporate credentials, certificate trust issues, or an incorrect Extensible Authentication Protocol (EAP) method on the device. This step is tempting because it resolves many connectivity problems stemming from corrupted or conflicting network configurations, and would be correct if the phone had previously connected to a different network with incompatible settings that now interfere with the corporate SSID.

• ✗

  Update the phone's operating system to the latest version.

  Why it's wrong here

  Updating the phone's operating system (OS) to the latest version, while beneficial for security patches and new features, is generally not the immediate first step for a basic Wi-Fi connection failure. While an extremely outdated OS *could* theoretically have compatibility issues with newer Wi-Fi standards or security protocols, it's a far less common cause than an incorrect password. Furthermore, an OS update can be time-consuming and may introduce new variables, making it an inappropriate initial diagnostic action for a simple authentication problem.

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