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WorksheetsMobile Security Quiz
Total questions: 25
Worksheet time: 13mins
A user installs an app from a trusted app store. Shortly after, the device experiences sluggish response times, high data usage, and unexpected pop-up ads. What is the MOST likely cause?
The app was improperly coded, causing performance issues
The app is spoofed and contains hidden malicious code
The app has excessive permissions for legitimate functionality
The device's storage is full, causing system lag
Which of the following BEST describes a security concern with devices running in Developer Mode?
Automatically disables encryption
Requires sideloading of all applications
Forces factory resets at startup
Opens the system to debugging interfaces that can be exploited
A mobile device management (MDM) system detects an Android device with root access attempting to connect to the enterprise network. What is the FIRST action an administrator should take?
Send a notification to the user requesting they remove root access
Block the device from accessing any enterprise resources
Install an antivirus app remotely
Enable airplane mode on the device remotely
Which of the following symptoms would MOST likely indicate a mobile device has been compromised by a pirated app?
Decreased CPU usage
Limited/no internet connectivity
Constant high network traffic with no user activity
Extended battery life
After installing an enterprise app via APK sideloading, users report breach notifications and unauthorized account access. What is the MOST probable root cause?
The enterprise app used weak encryption
The APK file was modified and sideloaded from an untrusted source
The VPN on the device was disabled during installation
Users failed to update their passwords after installation
Which of the following BEST mitigates the risk of rogue developers distributing malicious apps in an enterprise environment?
Implementing strict MDM app store controls and whitelisting
Using bootleg app stores for wider app selection
Requiring users to manually verify app code
Installing antivirus on user devices only
An employee’s iOS device is found jailbroken during an MDM compliance check. Which risk is MOST associated with this scenario?
Loss of user data due to system instability
Inability to receive iOS updates
Increased exposure to unvetted applications and potential malware
Loss of network connectivity on the corporate Wi-Fi
What is the PRIMARY concern of allowing Android APK sideloading in a corporate environment?
Reduces device performance by 50%
Bypasses security controls and introduces unverified applications
Disables encryption by default
Causes immediate battery drain
A user installs a productivity app that appears legitimate, but shortly after, experiences high utilization and the leaking of personal data. What red flag did the user likely overlook?
The app had poor user interface design
Fake reviews and manipulated download figures were present
The app required a software license agreement
The app had a high purchase price
Which of the following are common symptoms of mobile malware infection?
Sluggish device performance
Decreased mobile data usage
Frequent breach notifications
Reduced number of push notifications
You are auditing enterprise mobile devices and notice several have Developer Mode enabled. What is the BEST immediate action?
Disable Developer Mode remotely via MDM
Instruct users to disable Developer Mode at their convenience
Allow Developer Mode if users request it
Ignore the setting if no issues have been reported
What mobile device risk increases when users install apps from bootleg app stores?
Lack of customer support
Exposure to pirated and potentially malicious applications
Inability to install future updates
Reduced Wi-Fi performance
A user reports their device now shows constant GPS activity and they’ve noticed strange login attempts on their accounts. Which mobile security symptom is MOST likely occurring?
Location tracking
Bluetooth pairing issues
OS update failure
Signal interference
What is the MOST effective way to detect unauthorized root access or jailbreaking on mobile devices?
Regular OS updates
MDM compliance checks and monitoring tools
VPN connection validation
User-reported symptoms
After sideloading an app from an enterprise source, employees report sluggish performance and fake security warnings. What should be investigated FIRST?
The app’s graphic design
Device battery levels
The legitimacy of the source and integrity of the APK file
Whether Bluetooth is enabled
What security symptom may indicate that a mobile device is participating in unauthorized data exfiltration?
Sudden drop in battery life
High utilization and abnormal network traffic
Reduced push notifications
Shortened screen timeout settings
A user sideloads an APK from an untrusted source and notices unauthorized access to personal and financial accounts. What control was most likely missing?
Data encryption on the device
Fingerprint authentication
Airplane mode activation
Use of a trusted app source
What is a critical enterprise response to detecting a jailbroken iOS device with access to company data?
Disconnect it from Wi-Fi immediately
Perform a remote enterprise wipe
Lock the device and request the user change the password
Advise the user to reboot the device
An organization wants to prevent fake apps with manipulated download figures from being installed on corporate devices. What is the BEST approach?
Use MDM to restrict app installations to verified sources
Require manual inspection of app reviews
Allow users to install any apps but require antivirus scanning
Block all app installations
Which of the following describes a major security issue with sideloading apps from bootleg app stores?
Inconsistent app interfaces
Increased likelihood of pirated or malicious software
Higher-than-expected licensing costs
Slower OS update notifications
An Android device shows limited or no internet connectivity, frequent fake security alerts, and a significant slowdown in performance. Which two issues are MOST likely?
Malware infection
VPN misconfiguration
Battery degradation
App spoofing
What is a potential risk of distributing enterprise apps without validating the source or code?
User experience issues
Malware distribution and data exfiltration
Delays in app downloads
Compatibility issues with screen rotation
A mobile device has high CPU usage, increased network activity, and unexpected app behavior. The device has Developer Mode enabled. What should be done to secure it?
Disable Developer Mode and perform a malware scan
Reboot the device and enable Bluetooth
Reset screen timeout settings
Update the wallpaper to prevent phishing attacks
Which of the following symptoms would MOST likely indicate a mobile device has unauthorized location tracking enabled?
Persistent GPS activity
Reduced app notifications
Faster OS update installation
Screen auto-rotation failure
A security team is tasked with preventing sideloading of unauthorized APKs across company Android devices. Which method is the BEST preventive measure?
Instruct users not to sideload apps
Configure MDM policies to block sideloading
Request users manually check app reviews
Perform weekly antivirus scans only
