User/Group Management and Bash in Cloud CLIs Quiz

What command adds a new user in Ubuntu 20.04 LTS?

• useradd

• adduser

• newuser

• mkuser

Which file lists all users on a Linux system?

• /etc/shadow

• /etc/passwd

• /etc/groups

• /etc/users

What does sudo usermod -aG devs dev1 do?

• Creates a new user named “dev1”

• Adds “dev1” to the “devs” group

• Deletes the “devs” group

• Changes “dev1”’s password

What command lets you switch to another user to test permissions?

• sudo

• su

• whoami

• id

What does the Bash script cat /etc/passwd > users.txt do?

• Lists groups in “users.txt”

• Saves the user list to “users.txt”

• Deletes “users.txt”

• Edits the /etc/passwd file

Which command installs the Azure CLI on Ubuntu?

• sudo apt install azure-cli

• curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash

• sudo yum install az

• pip install azure

What does az resource list > resources.txt do in a Bash script?

• Logs into Azure

• Lists Azure resources and saves them to “resources.txt”

• Deletes resources from Azure

• Checks disk space in Azure

What command logs you into the Azure CLI?

• az login

• azure connect

• sudo az auth

• az start

What does aws s3 ls > buckets.txt do in a Bash script?

• Creates an S3 bucket

• Lists S3 buckets and saves them to “buckets.txt”

• Deletes “buckets.txt”

• Checks S3 permissions

Why should you limit sudo access for a user like “dev1”?

• It slows down the system

• It’s a security risk

• It deletes user files

• It stops Bash scripts