220-1002 Question #178: Real Exam Question with Answer & Explanation

The correct answer is B: Multifactor authentication. Multifactor authentication (MFA) dramatically reduces unauthorized access by requiring users to verify identity through two or more independent factors (e.g., password + OTP), making stolen credentials alone insufficient. Trusted software sources prevent malware infections by ens

Question

Which of the following provide the MOST security for PCs and mobile devices? (Choose two.)

Options

AAccess control lists
BMultifactor authentication
COrganizational unit
DTrusted software sources
EData loss prevention
FPre-shared key

Explanation

Multifactor authentication (MFA) dramatically reduces unauthorized access by requiring users to verify identity through two or more independent factors (e.g., password + OTP), making stolen credentials alone insufficient. Trusted software sources prevent malware infections by ensuring applications come from verified, vetted publishers or app stores rather than unknown third parties. Together, these controls address both the authentication layer and the software supply chain - two of the most common attack vectors against endpoints. The other options, while useful security tools, operate at a network or organizational level and do not directly protect individual PC or mobile device security as broadly.

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