Who has Permission?
What account has permissions to everything?
Root
What is layer 1 of the OSI model?
Physical
What is a subnet?
Anything related to a "broken down" or "separated network"
What command shows IP information on linux?
ifconfig
What does the acronym "UFW" mean?
Uncomplicated FireWall
Who has permissions to a file with the following permissions: -rwx------
Owner/User
What is layer 3 of the OSI model?
Network
How many addresses (including router and broadcast) are in this network: 192.168.0.0/24?
256 Addresses
What command shows hostname information on linux?
hostname
What do you have to prepend to commands to run them with elevated credentials?
sudo
What command uses numbers or letters to change file permissions?
chmod
What is layer 7 of the OSI model?
Application
What is the subnet mast (/#) of a class A network?
/8
What command shows processes on linux?
ps
If I wanted to deny port 22 or SSH traffic using UFW, what would the command be?
(sudo) ufw deny port 22 or (sudo) ufw deny ssh
Who has permissions to the follow file: -rwxrw-r--
Owner, Group (read + write), Everyone (read)
What address does layer 2 use to communicate with?
MAC Address
How many addresses (including router and broadcast) are in this network: 192.168.0.0/25?
128 Addresses
What command lists all files in the current or specified directory (including hidden files)?
ls -all or ls -la
What flag would I use if I was trying to connect using SSH to a server listening on port 22200?
ssh -p 22200
What command can give ownership to other users or groups?
chown
What do we call data at layer 3?
Packets
What is this addresses name/purpose: 127.0.0.1?
Loopback Address
What command prints additional details about the kernel?
uname -a
What command shows current connections on a system?
netstat