OA Exams

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Question 01

Which operating system is the most current version of Microsoft?

A) Windows 10

B) Windows 11

C) Windows Server 2019

D) Linux

Correct Answer: B) Windows 11

Explanation: Windows 11 is the most current version of Microsoft’s operating system.

Question 02

Which operating system is supported until January 2029?

A) Windows Server 2022

B) Windows Server 2016

C) Windows Server 2019

D) Linux

Correct Answer: C) Windows Server 2019

Explanation: Windows Server 2019 is supported until January 2029.

Question 03

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

A) Windows 10

B) Linux

C) macOS

D) Chrome OS

Correct Answer: B) Linux

Explanation: Linux is an open-source operating system, allowing anyone to program and modify it.

Question 04

What file system is used by Windows 11 for its default configuration?

A) FAT32

B) ext4

C) NTFS

D) APFS

Correct Answer: C) NTFS

Explanation: NTFS is the default file system used by Windows 11.

Question 05

Which mobile operating system is based on Linux?

A) iOS

B) Windows Phone

C) Android

D) macOS

Correct Answer: C) Android

Explanation: Android is based on the Linux kernel and is widely used for smartphones and tablets.

Question 06

Which file system is used by macOS for SSDs?

A) FAT32

B) APFS

C) ext3

D) NTFS

Correct Answer: B) APFS

Explanation: macOS uses the Apple File System (APFS), optimized for SSD performance.

Question 07

Which Linux file system supports a maximum file size of 16 TB?

A) ext3

B) ext4

C) FAT32

D) APFS

Correct Answer: B) ext4

Explanation: ext4 supports a maximum file size of 16 TB and is an improved version of ext3.

Question 08

Which file system supports volumes up to 256 TB in size and is the default for modern Windows systems?

A) FAT32

B) NTFS

C) exFAT

D) APFS

Correct Answer: B) NTFS

Explanation: NTFS supports larger volumes and provides advanced features like encryption and compression.

Question 09

Which file system is primarily used on USB flash drives due to its cross-platform compatibility?

A) FAT32

B) NTFS

C) ext4

D) APFS

Correct Answer: A) FAT32

Explanation: FAT32 is widely used for USB drives due to its compatibility with various operating systems.

Question 10

Which encryption tool in Windows protects data by encrypting the entire drive?

A) EFS

B) FileVault

C) BitLocker

D) APFS

Correct Answer: C) BitLocker

Explanation: BitLocker encrypts entire drives, protecting data from unauthorized access in Windows.

Question 11

What is the file extension for a macOS disk image file?

A) .dmg

B) .exe

C) .msi

D) .pkg

Correct Answer: A) .dmg

Explanation: .dmg is a macOS disk image file format used for software distribution.

Question 12

Which command is used to change directories in Linux?

A) cp

B) mv

C) cd

D) ls

Correct Answer: C) PIN code, D) Badging

Explanation: PIN codes and badging provide secure access to print jobs.

Question 13

Users report that their shared laser printer is printing faint pages. The technician rules out software settings. What component needs replacing?

  • A) Imaging drum
  • B) Toner cartridge
  • C) Fuser
  • D) Paper feed

Correct Answer: C) cd

Explanation: The cd command is used to change directories in Linux.

Question 14

Which Linux command is used to display the current working directory?

A) pwd

B) ls

C) cd

D) mv

Correct Answer: A) pwd

Explanation: pwd prints the current working directory in Linux.

Question 15

Which command in Windows displays network configuration details?

A) ping

B) ipconfig

C) tracert

D) nslookup

Correct Answer: B) ipconfig

Explanation: ipconfig provides network configuration details in Windows.

Question 16

What type of software allows multiple users to access a centralized computer system?

A) Network Operating System

B) Personal Operating System

C) Virtual Machine

D) Mobile OS

Correct Answer: A) Network Operating System

Explanation: A Network Operating System (NOS) allows multiple users to access and use a centralized computer system.

Question 17

 Which port is commonly used for secure web traffic?

A) Port 80

B) Port 22

C) Port 443

D) Port 25

Correct Answer: C) Port 443

Explanation: Port 443 is used for HTTPS traffic, securing web communication through encryption.

Question 18

Which command is used to create a new directory in Linux?

A) ls

B) mkdir

C) mv

D) rm

Correct Answer: B) mkdir

Explanation: mkdir is used to create new directories in Linux.

Question 19

Which file system can handle partitions larger than 2 TB and is used by modern hard drives?

A) FAT32

B) NTFS

C) exFAT

D) GPT

Correct Answer: D) GPT

Explanation: GPT supports partitions larger than 2 TB and is commonly used with modern hard drives.

Question 20

 Which Linux command is used to list files and directories?

A) cd

B) rm

C) ls

D) mv

Correct Answer: C) ls

Explanation: The ls command lists files and directories in Linux.

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