Linux Security Hardening & Auditing — 15-Question Skill Check (Set II)

1. Which of the following is a recommended practice for system hardening?

  • A Enable all services by default
  • B Use strong, unique passwords
  • C Disable SELinux
  • D Share root credentials with all users

2. What does the auditd daemon do in Linux?

  • A Manages user accounts
  • B Monitors and logs security-relevant events
  • C Encrypts file systems
  • D Controls network traffic

3. Disabling unused services reduces the attack surface of a Linux system.

  • A True
  • B False

4. Which configuration file is used to define audit rules for auditd?

  • A /etc/audit/auditd.conf
  • B /etc/audit/rules.d/audit.rules
  • C /etc/sysctl.conf
  • D /etc/security/audit.conf

5. What is the purpose of the chkrootkit tool?

  • A To scan for open ports
  • B To detect signs of rootkits
  • C To manage firewall rules
  • D To audit user permissions

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