Which of the following is NOT a type of mobile device mentioned in the document?

• A) Smartphones

• B) Tablets

• C) Desktops

• D) E-readers

Answer explanation

The correct choice is C) Desktops because desktops are not a type of mobile device mentioned in the document.

What is the purpose of mobile device synchronization?

• A) To charge the device

• B) To ensure data consistency between multiple devices

• C) To update the operating system

• D) To install new applications

Answer explanation

The purpose of mobile device synchronization is to ensure data consistency between multiple devices, allowing users to access the same information across all their devices.

Which of the following is a common security feature for mobile devices?

• A) Screen locks

• B) Antivirus software

• C) Firewall

• D) Password managers

Answer explanation

Screen locks are a common security feature for mobile devices as they prevent unauthorized access to the device by requiring a password, PIN, or biometric authentication to unlock the screen.

What does WAN stand for?

• Wide Area Network

• Wireless Area Network

• Wide Access Network

• Wireless Access Network

Answer explanation

WAN stands for Wide Area Network, making it the correct choice among the options provided.

What does CPU stand for?

• Central Processing Unit

• Central Performance Unit

• Computer Processing Unit

• Computer Performance Unit

Answer explanation

CPU stands for Central Processing Unit, which is responsible for executing instructions and performing calculations in a computer system.

What does IaaS stand for?

Answer explanation

IaaS stands for Infrastructure as a Service, making option B the correct choice.

What is a common issue that can occur during hardware troubleshooting?

Answer explanation

A common issue that can occur during hardware troubleshooting is 'No power', which can prevent the device from functioning properly.

Which of the following is an open-source operating system based on Unix?

• Windows OS

• Mac OS

• Linux

• Mobile OS

Answer explanation

The correct choice is Linux because it is an open-source operating system based on Unix, unlike Windows OS, Mac OS, or Mobile OS.

What type of software is designed to harm or exploit systems?

• Firewall

• Encryption

• Malware

• Antivirus

Answer explanation

Malware is the type of software designed to harm or exploit systems, making it the correct choice in this case.

What is the purpose of physical security in IT?

• To manage application crashes

• To provide multi-factor authentication

• To protect systems with locks, badges, and surveillance

• To convert data into a code

Answer explanation

Physical security in IT is implemented to protect systems with locks, badges, and surveillance, ensuring the safety and integrity of the infrastructure.