CSIT Quiz: Security and File Permissions (Topic 5)

In which file is a user password stored?

• /etc/passwd

• /etc/shadow

• /etc/group

• /etc/gshadow

In which file is a UID stored?

• /etc/passwd

• /etc/shadow

• /etc/group

• /etc/gshadow

Which of the following types of cryptography is used by default to store passwords locally on a Linux system?

• Asymmetric

• One-way Hash

• Symmetric

• ROT13

Which of the following commands provides a list of active users and extra information such as how many users are connected?

• who

• w

• userlist

• list -u

• users

For the following entry given below, choose the correct file to which it refers:

root:x:0:0:root:/root:/bin/bash

• /etc/passwd

• /etc/shadow

• /etc/group

• /etc/gshadow

For the following entry given below, choose the correct file to which it refers:

henry:$1$.AbCdEfGh123456789A1b2C3d4.:18015:20:90:5:30::

• /etc/passwd

• /etc/shadow

• /etc/group

• /etc/gshadow

For the following entry given below, choose the correct file to which it refers:

web_admin:x:1005:frank,emma

• /etc/passwd

• /etc/shadow

• /etc/group

• /etc/gshadow

Given the following entry, which shell is being used?

dave:x:1050:1050:User Dave:/home/dave:/bin/bash

Using the command ls with which option will provide you with information such as file type, permissions, and ownership?

• -a

• -l

• -u

• -p

• -n

If provided with the following information, which of the following is incorrect in regards to file1?

drwxrwxr-x 2 carol carol 4096 Dec 10 15:57 file1

• file1 is a directory

• carol is the owner of file1

• Dec 10 is when the file was first created

• 4096 is the size of the file