220-801 Question #1155: Real Exam Question with Answer & Explanation

The correct answer is B: Android devices use open source operating systems.. Android is built on the Linux kernel and is open source (AOSP - Android Open Source Project), which allows manufacturers to modify and distribute it freely. This is the defining characteristic that distinguishes Android from iOS, which is a closed, proprietary system. Option A is

Question

Android smartphones are typically different from other smartphone devices in that:

Options

AAndroid devices use apps that are more secure than other devices.
BAndroid devices use open source operating systems.
CAndroid devices can only operate with a proprietary operating system.
DAndroid devices can receive apps from different sources.

Explanation

Android is built on the Linux kernel and is open source (AOSP - Android Open Source Project), which allows manufacturers to modify and distribute it freely. This is the defining characteristic that distinguishes Android from iOS, which is a closed, proprietary system. Option A is incorrect - Android's open nature can actually increase exposure to security risks compared to more tightly controlled ecosystems. Option C is the opposite of the truth; Android is not proprietary - it is open source. Option D describes sideloading apps from third-party sources, which is a feature enabled by Android's open architecture, but it is a consequence of open source, not the defining characteristic itself. The root answer is B.

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