RHCSA RHCSA User and Group Management 2

Question 1

Which file contains the encrypted password hashes for local user accounts on RHEL?

Accepted Answer

/etc/shadow

Answer

/etc/passwd

Answer

/etc/group

Answer

/etc/gshadow

Question 2

A user needs to be added to the 'wheel' group without removing them from their existing groups. Which command accomplishes this?

Accepted Answer

usermod -aG wheel alice

Answer

usermod -g wheel alice

Answer

groupmod -a alice wheel

Answer

gpasswd -r wheel alice

Question 3

What is the default password aging maximum number of days set for a new user created with useradd on RHEL?

Accepted Answer

99999

Answer

30

Answer

60

Answer

90

Question 4

Which command forces a user named 'bob' to change their password on next login?

Accepted Answer

Both A and B

Answer

passwd -e bob

Answer

chage -d 0 bob

Answer

passwd --expire bob

Question 5

What does the 'nologin' shell (e.g., /sbin/nologin) do when a user tries to log in interactively?

Accepted Answer

Displays a message and refuses the interactive login

Answer

Locks the account permanently

Answer

Deletes the user session

Answer

Redirects to /bin/sh

Question 6

Which command displays all groups a user named 'carol' belongs to?

Accepted Answer

Both A and B

Answer

groups carol

Answer

id carol

Answer

getent group carol

Question 7

A newly created user account is locked immediately after creation. Which useradd option causes this behavior?

Accepted Answer

Accounts are always locked until a password is set

Answer

-L

Answer

-s /sbin/nologin

Answer

-e 1970-01-01