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Question

Difficulty: MediumMobile Application Support and Security Settings

An employee using a personal Android smartphone under an enterprise Bring Your Own Device (BYOD) program attempts to install a custom network utility by opening an independently downloaded installation package (.apk file). The operating system immediately blocks the installation and displays a policy restriction warning. The employee opens a ticket asking why the application cannot be installed. Which of the following features or policies is directly preventing the installation of this application?

  1. An enterprise Mobile Application Management (MAM) policy that disables app sideloading from untrusted or unknown sources.Answer
  2. B
    A device wipe command triggered by Mobile Device Management (MDM) because the operating system detected unauthorized hardware modification.
  3. C
    A carrier profile conflict caused by a mismatch between the device International Mobile Equipment Identity (IMEI) and the subscriber SIM identity.
  4. D
    An active account synchronization policy that forces all background data transfers to use unencrypted POP3 port 110.

Answer

The restriction preventing the installation is an enterprise Mobile Application Management (MAM) policy that disables app sideloading from untrusted or unknown sources.
Sideloading refers to installing applications on mobile devices using source files (such as .apk packages on Android) obtained outside official app distribution channels. Disabling installation from unknown or untrusted sources via Mobile Application Management (MAM) protects enterprise environments from unverified third-party software and malware while enforcing app security settings.

Step-by-Step Solution

1
Analyze the user symptom and installation attempt.
The user is attempting to install an Android software package (.apk file) directly from a browser download rather than an approved store.
Installing software outside official or corporate repositories is known as sideloading.
2
Evaluate the administrative scope applicable to BYOD environments.
Mobile Application Management (MAM) is designed to enforce security controls on specific application containers and installer policies without requiring full control over personal user data.
Blocking untrusted app sources (sideloading) via MAM prevents malware intrusion while respecting personal device usage.

Key Concept

Sideloading Restrictions and Mobile Application Management (MAM)
Estimated Time:1m 0s
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Topics

Mobile Application Support and Security Settings

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