You have become the lead security professional for a mid-sized organization. You are currently
studying DNS issues, and configuration options. You come across the concepts of DNS Spoofing,
and investigate more. What is DNS Spoofing?

What is a problem with symmetric key cryptography?

What is the name of the informational page that is relevant to a particular command in Linux?

You have just downloaded a new file, called scnpfile.tar.gz. You are going to verify the file prior to
un-archiving the file. Which command do you need to type to un-compress the file, prior to unarchiving?

You are configuring the lines that control access to exported objects on your server running NFS.
If you have a directory called /Tech and you wish to export this directory to network
192.168.20.0/24, allowing root access, and the permissions of read and write, which of the
following lines will accomplish this?