Mobile Device Security Quiz

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Explain the role of antivirus apps in protecting mobile devices from malicious software.

Antivirus apps protect mobile devices by scanning for and removing malicious software, providing locator services, remote lock, or remote wipe, and running in a sandbox to isolate code from other resources.

What is a sandbox and how does it contribute to the security of mobile devices?

A sandbox is a location in the OS that isolates code from other resources and code, making it difficult for malicious programs to infect a mobile device.

Why are automatic or scheduled scans not allowed on iOS devices?

iOS does not allow automatic or scheduled scans to prevent malicious programs from using unauthorized resources or contaminating other apps or the OS.

Why is it important to download apps only from trusted sources?

Downloading apps only from trusted sources is important to prevent malicious apps from gaining access to resources allowed during installation, as trusted sources are authenticated and authorized by a service provider. Signup and view all the answers

Explain the purpose of a firewall for mobile devices and how it can prevent the spread of malicious programs to other devices.

A firewall for mobile devices can monitor app activity and prevent connections to specific ports or IP addresses. It works at a higher (root) permission level and can prevent a malicious program from infecting additional devices by controlling app access to a virtual private network (VPN). Signup and view all the answers

What is rooting and jailbreaking, and how do they affect mobile operating systems?

Rooting and jailbreaking are methods for removing restrictions and protections added to mobile operating systems. Rooting is used on Android devices to gain privileged access, while jailbreaking is used on iOS devices to remove manufacturer restrictions. They both allow users to run unauthorized code, access the file system, and grant full access to kernel modules. Signup and view all the answers

Why is it not recommended to modify a customer's mobile device by rooting or jailbreaking?

Rooting or jailbreaking a mobile device usually voids the manufacturer's warranty and can expose the device to security risks. It is not recommended to modify a customer's mobile device in this way. Signup and view all the answers

Describe the impact of jailbreaking on iOS and Apple's stance on it.

Jailbreaking exploits vulnerabilities in iOS to remove manufacturer restrictions. Apple discourages jailbreaking and actively works towards eliminating vulnerabilities that make jailbreaking possible. iOS updates usually include patches to eliminate known vulnerabilities that allow jailbreaking. Signup and view all the answers

How are updates and patches delivered to Android mobile devices?

Android updates and patches use an automated process for delivery. When a carrier or manufacturer has an update for a device, a notification on the device indicates that an update is ready. Users can then begin the download and installation process. Signup and view all the answers

Explain the factors that determine whether a new version of Android can be installed on older devices.

Sometimes a new version of Android cannot install on older devices where the hardware does not meet the minimum specifications. These devices might receive patches to fix known issues, but not receive OS upgrades. Signup and view all the answers

What are baseband updates for mobile devices and why are they important?

Baseband updates consist of the Preferred Roaming List (PRL) and the Primary Rate ISDN (PRI). The PRL is configuration information that a cellular phone needs to communicate on networks other than its own, and the PRI configures the data rates between the device and the cell tower. Signup and view all the answers

How does Apple respond to the fixing of iOS vulnerabilities that allow jailbreaking?

When iOS vulnerabilities are fixed by updates, it forces hackers to start over. Apple actively works towards eliminating vulnerabilities that make jailbreaking possible and discourages jailbreaking. Signup and view all the answers

What is the impact of rooting or jailbreaking a mobile device on the graphical user interface (GUI)?

Rooting or jailbreaking a mobile device allows the GUI to be heavily customized, and modifications can be made to the OS to improve the speed and responsiveness of the device. Users can also install apps from secondary or unsupported sources. Signup and view all the answers

What are the two types of updates for mobile device radio firmware and their significance?

The two types of updates are the Preferred Roaming List (PRL) and the Primary Rate ISDN (PRI). PRL is configuration information for a cellular phone to communicate on networks other than its own, and PRI configures data rates between the device and the cell tower, ensuring proper communication. Signup and view all the answers

Mobile Device Security Quiz

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