Unlocking and Rooting Mobile Devices GMOB Practice Questions (Page 6)

Questions 26–30

1. 26foundation · easy

   Which of the following is a consequence of unlocking a device's bootloader?

   • AThe device loses all ability to connect to Wi-Fi networks.
   • BThe device's battery life is automatically reduced by 50%.
   • CThe device becomes permanently unable to receive any software updates.
   • DThe device's warranty is often voided by the manufacturer.
   Reveal Solution Discussion Select an answer first
2. 27application · medium

   An organization has a policy that rooted devices are not allowed to access corporate email. An employee's device is rooted, and the MDM detects it. What is the most appropriate immediate action?

   • ASend a warning and allow access for 30 days to give the user time to unroot.
   • BBlock the device from accessing corporate email and notify the user of the policy violation.
   • CIgnore the detection because the user is a senior executive.
   • DRemotely wipe the entire device.
   Reveal Solution Discussion Select an answer first
4. 28application · medium

   A security analyst is investigating a compromised Android device. The device's bootloader is unlocked, and the analyst finds a custom recovery image installed. Which statement accurately describes the relationship between these conditions and the device's security posture?

   • AA custom recovery is a type of malware that can only be removed by re-locking the bootloader.
   • BUnlocking the bootloader automatically voids the device's warranty but does not affect the ability to receive OTA updates.
   • CAn unlocked bootloader allows the installation of a custom recovery, which can be used to flash modified system images and maintain root access.
   • DAn unlocked bootloader is required for installing any third-party app from outside the Play Store.
   Reveal Solution Discussion Select an answer first
5. 29expert · hard

   A security team is investigating a device that is rooted but has a locked bootloader. The device is running a recent version of Android with all security patches applied. Which rooting method is most plausible in this scenario?

   • AThe manufacturer's official bootloader unlock process.
   • BUsing a third-party one-click root tool that relies on a known vulnerability.
   • CA zero-day exploit targeting a kernel vulnerability that allows privilege escalation.
   • DFlashing a custom recovery via fastboot.
   Reveal Solution Discussion Select an answer first
6. 30application · medium

   An organization's MDM policy blocks rooted devices from accessing corporate resources. A user's device passes the MDM compliance check, but the security team suspects the device is rooted because the user has been discussing custom ROMs. Which detection method is most likely to catch a rooted device that passes basic checks?

   • ACheck the device's build.prop file for modified properties.
   • BUse SafetyNet attestation to verify the device's integrity.
   • CCheck for the presence of the 'su' binary in the device's file system.
   • DReview the device's installed apps for root-management apps like Magisk.
   Reveal Solution Discussion Select an answer first