An administrator wants to create a backup of a configuration file that remains valid even if the original file is moved or renamed. The backup must reference the same inode as the original. Which command should be used?

ln /etc/nginx/nginx.conf /root/nginx.conf.bak

mv /etc/nginx/nginx.conf /root/nginx.conf.bak

ln -s /etc/nginx/nginx.conf /root/nginx.conf.bak

cp -p /etc/nginx/nginx.conf /root/nginx.conf.bak

GIAC Linux Incident Responder

Domain 1Objective 1

Linux OS Fundamentals GLIR Practice Questions (Page 5)

Part of the Linux Fundamentals and File System Analysis domain, which makes up ~35% of our current practice bank. GIAC (SANS) does not publish an official question count, but from its 180-minute exam (~70–120 total, ~25–42 in this domain), expect 6–11 from this objective — we provide 62 practice questions to prepare you well beyond it. (estimate)

62questions here

13free pages

18concepts

18 Concepts in This Objective

Linux Boot Process
Runlevels and Targets
Systemd Essentials
File System Hierarchy Standard (FHS)
File Types and Permissions
Special Permissions and Attributes
Hard Links and Symbolic Links
Mounting and Unmounting File Systems
Disk Usage and Inodes
Process Management
Environment Variables and Shell Configuration
Package Management
Logging and Journaling
System Monitoring and Performance
User and Group Management
Networking Fundamentals
Service and Socket Activation
System Initialization and Configuration Files

Questions 21–25

21application · medium
An administrator wants to create a backup of a configuration file that remains valid even if the original file is moved or renamed. The backup must reference the same inode as the original. Which command should be used?
Select an answer first
22application · medium
An incident responder needs to determine which network connections are currently established to a compromised server. The responder wants to see both listening ports and active connections, along with the associated process IDs. Which command provides this information?
Select an answer first
23foundation · easy
Which command displays memory usage statistics, including used and free memory?
Select an answer first
24foundation · easy
Which command is used to display and configure network interfaces on modern Linux systems?
Select an answer first
25foundation · easy
Which command provides a snapshot of system performance, including CPU, memory, and I/O statistics?
Select an answer first

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Linux OS Fundamentals GLIR Practice Questions (Page 5)

Questions 21–25

An administrator wants to create a backup of a configuration file that remains valid even if the original file is moved or renamed. The backup must reference the same inode as the original. Which command should be used?

An incident responder needs to determine which network connections are currently established to a compromised server. The responder wants to see both listening ports and active connections, along with the associated process IDs. Which command provides this information?

Which command displays memory usage statistics, including used and free memory?

Which command is used to display and configure network interfaces on modern Linux systems?

Which command provides a snapshot of system performance, including CPU, memory, and I/O statistics?

Keep studying — Linux Fundamentals and File System Analysis