IKM System Administration Fundamentals 2

Question 1

What is the purpose of a cron job?

Accepted Answer

Schedule commands to run automatically at specified times

Answer

Cron is a time-based scheduler executing commands at specified times or intervals.

Question 2

What does /etc/passwd contain?

Accepted Answer

User account info: username, UID, GID, home directory, shell

Answer

/etc/passwd contains user account information, not actual passwords.

Question 3

What is the difference between hard and symbolic links?

Accepted Answer

Hard links point to the inode; symbolic links point to the file path

Answer

Hard links share the same inode; symbolic links contain the target path.

Question 4

What does chmod do?

Accepted Answer

Change file access permissions

Answer

chmod modifies read, write, and execute permissions for owner, group, and others.

Question 5

What is LVM used for?

Accepted Answer

Flexible disk storage by abstracting physical disks into logical volumes

Answer

LVM provides flexible creation, resizing, and management of logical volumes.

IKM - International Knowledge Measurement Practice Test