OA Exams
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.
Which operating system is supported until January 2029?
A) Windows Server 2022
B) Windows Server 2016
Correct Answer: C) Windows Server 2019
Explanation: Windows Server 2019 is supported until January 2029.
Which of the following is an open-source operating system?
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.
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.
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.
Which file system is used by macOS for SSDs?
B) APFS
C) ext3
D) NTFS
Correct Answer: B) APFS
Explanation: macOS uses the Apple File System (APFS), optimized for SSD performance.
Which Linux file system supports a maximum file size of 16 TB?
A) ext3
C) FAT32
Correct Answer: B) ext4
Explanation: ext4 supports a maximum file size of 16 TB and is an improved version of ext3.
Which file system supports volumes up to 256 TB in size and is the default for modern Windows systems?
B) NTFS
C) exFAT
Correct Answer: B) NTFS
Explanation: NTFS supports larger volumes and provides advanced features like encryption and compression.
Which file system is primarily used on USB flash drives due to its cross-platform compatibility?
C) ext4
Correct Answer: A) FAT32
Explanation: FAT32 is widely used for USB drives due to its compatibility with various operating systems.
Which encryption tool in Windows protects data by encrypting the entire drive?
A) EFS
B) FileVault
C) BitLocker
Correct Answer: C) BitLocker
Explanation: BitLocker encrypts entire drives, protecting data from unauthorized access in Windows.
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.
Which command is used to change directories in Linux?
A) cp
B) mv
C) cd
D) ls
Correct Answer: C) PIN code, D) BadgingExplanation: PIN codes and badging provide secure access to print jobs.
Users report that their shared laser printer is printing faint pages. The technician rules out software settings. What component needs replacing?
Correct Answer: C) cd
Explanation: The cd command is used to change directories in Linux.
Which Linux command is used to display the current working directory?
A) pwd
B) ls
D) mv
Correct Answer: A) pwd
Explanation: pwd prints the current working directory in Linux.
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.
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.
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.
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.
Which file system can handle partitions larger than 2 TB and is used by modern hard drives?
D) GPT
Correct Answer: D) GPT
Explanation: GPT supports partitions larger than 2 TB and is commonly used with modern hard drives.
Which Linux command is used to list files and directories?
A) cd
B) rm
C) ls
Correct Answer: C) ls
Explanation: The ls command lists files and directories in Linux.