Questions
Here's a quick quiz to outline and attest some of the essential concepts covered in this chapter:
- How does the OSI model compare to the TCP/IP model?
- Think of a couple of TCP/IP protocols and try to see where and how they operate in some of the network administration tasks or applications you are familiar with.
- At what networking layer does the HTTP protocol operate? How about DNS?
- What is the network class for IP address
192.168.0.1
? - What is the network prefix corresponding to network mask
255.255.0.0
? - How do you configure a static IP address using the
nmcli
utility? - How do you change the hostname of a Linux machine?
- What is the difference between the POP3 and IMAP email protocols?
- How does SSH host-based authentication differ from user-based SSH key authentication?
- What is the difference between SSH and TELNET?