220-1002 · Question #800
Which of the following is the BEST method to secure a smartphone?
The correct answer is B. Require fingerprint unlock with password backup. Biometric authentication with a password backup provides strong, layered security for a smartphone by combining something-you-are with something-you-know.
Question
Which of the following is the BEST method to secure a smartphone?
Options
- ADisallow access to any mobile operating systems or application accounts
- BRequire fingerprint unlock with password backup
- CDisable copy/paste and autofill functions across the entire device
- DDownload and install all programs manually
How the community answered
(23 responses)- A4% (1)
- B96% (22)
Why each option
Biometric authentication with a password backup provides strong, layered security for a smartphone by combining something-you-are with something-you-know.
Disallowing access to OS and application accounts would render the device non-functional for normal business use.
Requiring fingerprint unlock implements biometric authentication, which is resistant to guessing and shoulder-surfing. The password backup satisfies the 'something you know' factor and ensures access is not permanently lost if the biometric sensor fails, making this the strongest practical combination for device security.
Disabling copy/paste and autofill reduces usability but does not prevent unauthorized access to the device itself.
Manually installing programs does not improve authentication security and can increase risk if programs are sourced from untrusted locations.
Concept tested: Smartphone biometric authentication best practices
Source: https://learn.microsoft.com/en-us/mem/intune/protect/device-compliance-get-started
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