CSCU Mobile and IoT Device Security 2

Question 1

What is the primary security risk of sideloading apps on a mobile device?

Accepted Answer

Sideloaded apps bypass official app store security reviews and may contain malware

Answer

Sideloaded apps use more battery power

Answer

Sideloaded apps cannot access the internet

Answer

Sideloaded apps are always larger in file size

Question 2

What security vulnerability is associated with default credentials on IoT devices?

Accepted Answer

Attackers can easily access devices using widely known factory-default usernames and passwords

Answer

Default credentials make devices run slower

Answer

Default credentials use too much storage space

Answer

Default credentials prevent firmware updates

Question 3

Why is remote wipe capability important for mobile device security?

Accepted Answer

It allows all data on a lost or stolen device to be erased remotely to prevent unauthorized access

Answer

It cleans the screen of the device remotely

Answer

It restarts the device to clear temporary files

Answer

It updates the device's operating system wirelessly

Question 4

What is a man-in-the-middle attack on a mobile device?

Accepted Answer

An attacker intercepting communications between the mobile device and a server by positioning themselves in the network path

Answer

Physically stealing a phone from someone's hand

Answer

A person reading someone's screen over their shoulder

Answer

Blocking cellular signal to prevent phone calls

Question 5

What security risk does Bluetooth pose when left enabled and discoverable on a mobile device?

Accepted Answer

Attackers can exploit Bluetooth vulnerabilities to access data, eavesdrop on communications, or gain control of the device

Answer

It drains battery faster

Answer

Bluetooth interferes with Wi-Fi signal quality

Answer

It reduces cellular reception strength

Question 6

What is the security concern with granting excessive permissions to mobile apps?

Accepted Answer

Apps may access sensitive data like contacts, location, camera, and microphone beyond what is needed for their functionality

Answer

Apps with more permissions use more storage

Answer

Permissions make apps load more slowly

Answer

Apps with permissions cannot be uninstalled