A+ Core2 Day 5c methods for securing mobile and embedded devices

A user frequently loses their phone. Which feature helps locate the device if misplaced?

• Enable location services
• Set a strong screen lock
• Install a parental control app
• Use a mobile device management (MDM) tool

Answer explanation

Location services allow authorized users to track the device on a map, aiding in recovery.

You're setting up a new phone for a business user. Which security measure is MOST crucial?

• Download a free antivirus app
• Enable automatic app updates
• Set up a fingerprint or PIN unlock
• Allow installation from unknown sources

Answer explanation

A strong screen lock like fingerprint or PIN prevents unauthorized access to sensitive data and applications.

An employee uses their personal phone for work. What's the safest way to access sensitive company data?

• Download the company app directly
• Use a web browser on the phone
• Install a VPN app
• Share files through personal email

Answer explanation

A VPN encrypts data traffic, securing communication even on potentially unsecure public Wi-Fi networks.

A user wants to improve the security of their tablet. Disabling which feature would be MOST beneficial?

• Automatic brightness adjustment
• Bluetooth
• Email notifications
• Background app refresh

Answer explanation

Background app refresh can drain battery and potentially increase security risks by allowing unauthorized actions.

You're troubleshooting a smartwatch that won't connect to a phone. What's the FIRST step?

• Restart both devices
• Check for software updates
• Reset the smartwatch to factory settings
• Contact the manufacturer's support team

Answer explanation

Restarting devices often resolves temporary connection issues before proceeding with more complex troubleshooting.

A user reports their smart TV keeps displaying unwanted pop-up ads. Which action could resolve the issue?

• Scan the TV for malware
• Update the TV's firmware
• Change the TV's internet connection
• Disable location services on the TV

Answer explanation

Updating the firmware ensures the TV has the latest security patches and bug fixes that address potential vulnerabilities.

A user wants to sell their old laptop but is concerned about leaving personal data behin What's the BEST way to ensure data security?

• Delete all files and folders manually
• Use a data wiping software
• Reformat the hard drive
• Reset the laptop to factory settings

Answer explanation

Data wiping software securely overwrites data on the drive, making it virtually impossible to recover deleted files.

You're configuring security settings for a work tablet used by multiple employees. Which feature helps manage and enforce security policies?

• Enable two-factor authentication (2FA)
• Set individual PINs for each user
• Install a password manager
• Implement a mobile device management (MDM) tool

Answer explanation

MDM tools allow centralized configuration and enforcement of security policies for all managed devices.

A user notices their car's entertainment system is slow and unresponsive. What could be the cause?

• Outdated software
• Faulty hardware
• Insufficient storage space
• Malware infection

Answer explanation

Malware can slow down devices and disrupt normal functioning, potentially requiring specialized removal tools.

A smart home speaker is constantly listening for voice commands. How can you minimize privacy risks?

• Disable the "always listening" feature
• Change the wake word
• Update the speaker's firmware
• Set up a separate network for smart devices

Answer explanation

Disabling the "always listening" feature limits the speaker's ability to record audio until the wake word is spoken.