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web.groovymark@gmail.com
- November 26, 2024
Question 21
Which Linux command is used to create a new file or update the timestamp of an existing file?
- A) touch
- B) ls
- C) cp
- D) chmod
Correct Answer: A) touch
Explanation: The touch command is used to create a new file or update the timestamp of an existing file in Linux.
Question 22
Which port is used by HTTPS for secure web traffic?
- A) Port 80
- B) Port 443
- C) Port 22
- D) Port 25
Correct Answer: B) Port 443
Explanation: Port 443 is used by HTTPS for secure web traffic.
Question 23
Which Windows command is used to view active network connections?
- A) ipconfig
- B) ping
- C) netstat
- D) tracert
Correct Answer: C) netstat
Explanation: The netstat command displays active network connections in Windows.
Question 24
Which Linux command is used to copy files from one location to another?
- A) cp
- B) mv
- C) rm
- D) ls
Correct Answer: A) cp
Explanation: The cp command copies files from one location to another in Linux.
Question 25
Which file system is used by macOS to provide optimized performance on SSDs?
- A) ext4
- B) FAT32
- C) NTFS
- D) APFS
Correct Answer: D) APFS
Explanation: APFS (Apple File System) provides optimized performance on SSDs in macOS.
Question 26
Which Linux command is used to display the current working directory?
- A) pwd
- B) ls
- C) cd
- D) mkdir
Correct Answer: A) pwd
Explanation: The pwd command displays the current working directory in Linux.
Question 27
Which port is used by SSH for secure remote login?
- A) Port 80
- B) Port 22
- C) Port 443
- D) Port 3389
Correct Answer: B) Port 22
Explanation: Port 22 is used by SSH (Secure Shell) for secure remote login.
Question 28
Which Windows command is used to check the version of the operating system?
- A) winver
- B) ipconfig
- C) netstat
- D) ping
Correct Answer: A) winver
Explanation: The winver command displays the version of the Windows operating system.
Question 29
Which Linux command is used to delete files?
- A) rm
- B) cp
- C) mv
- D) chmod
Correct Answer: A) rm
Explanation: The rm command deletes files in Linux.
Question 30
Which Windows tool allows you to create a backup of your files and restore them later?
- A) File History
- B) Disk Management
- C) Task Scheduler
- D) Event Viewer
Correct Answer: A) File History
Explanation: File History allows you to create a backup of your files and restore them later in Windows.
Question 31
Which Linux command is used to display detailed information about running processes?
- A) ps
- B) top
- C) free
- D) df
Correct Answer: A) ps
Explanation: The ps command displays detailed information about running processes in Linux.
Question 32
Which port is commonly used for FTP traffic?
- A) Port 21
- B) Port 22
- C) Port 25
- D) Port 80
Correct Answer: A) Port 21
Explanation: Port 21 is commonly used for FTP (File Transfer Protocol) traffic.
Question 33
Which Windows command is used to trace the route taken by packets to a destination?
- A) ping
- B) ipconfig
- C) tracert
- D) netstat
Correct Answer: C) tracert
Explanation: The tracert command traces the route taken by packets to a destination in Windows.
Question 34
Which Linux command is used to search for files by name?
- A) find
- B) grep
- C) ls
- D) chmod
Correct Answer: A) find
Explanation: The find command searches for files by name in Linux.
Question 35
Which Windows tool is used to encrypt an entire drive?
- A) BitLocker
- B) EFS
- C) Task Scheduler
- D) System Restore
Correct Answer: A) BitLocker
Explanation: BitLocker is used to encrypt an entire drive in Windows.
Question 36
Which Linux command is used to change the ownership of a file?
- A) chown
- B) chmod
- C) cp
- D) mv
Correct Answer: A) chown
Explanation: The chown command changes the ownership of a file in Linux.
Question 37
Which Windows feature allows you to restore the system to a previous state?
- A) System Restore
- B) Disk Cleanup
- C) File History
- D) Task Scheduler
Correct Answer: A) System Restore
Explanation: System Restore allows you to restore the system to a previous state in Windows.
Question 38
Which Linux command is used to display the contents of a file?
- A) cat
- B) ls
- C) cp
- D) chmod
Correct Answer: A) cat
Explanation: The cat command displays the contents of a file in Linux.
Question 39
Which Windows command is used to copy files and directories with long names?
- A) xcopy
- B) robocopy
- C) copy
- D) cp
Correct Answer: B) robocopy
Explanation: The robocopy command is used to copy files and directories with long names in Windows.
Question 40
Which Linux command is used to estimate file space usage?
- A) du
- B) df
- C) ls
- D) pwd
Correct Answer: A) du
Explanation: The du command estimates file space usage in Linux.
