101-500 Reviews Questions

LPIC-1 Exam 101, Part 1 of 2, version 5.0 Questions and Answers

Question 29

Which file contains the date of the last change of a user's password?

/etc/gshadow

/etc/passwd

/etc/pwdlog

/var/log/shadow

/etc/shadow

Question 30

What command is used to add OpenSSH private keys to a running ssh-agent instance? (Specify the command name only without any path.)

Question 31

What is true regarding public and pnvate SSH keys? (Choose TWO correct answers.)

For each user account, there is exactly one key pair that can be used to log into that account

The private key must never be revealed to anyone

Several different public keys may be generated for the same private key

To maintain the private key's confidentiality, the SSH key pair must be created by its owner

To allow remote logins, the user's private key must be copied to the remote server

Question 32

When considering the use of hard links, what are valid reasons not to use hard links?

Hard links are not available on all Linux systems because traditional filesystems, such as ext4, do not support them

Each hard link has individual ownership, permissions and ACLs which can lead to unintended disclosure of file content

Hard links are specific to one filesystem and cannot point to files on another filesystem

If users other than root should be able to create hard links, suln has to be installed and configured

When a hard linked file is changed, a copy of the file is created and consumes additional space