To build your skills even further, here is an exercise you can use to test yourself. The answers are provided in Appendix A, but keep in mind there is always more than one way to accomplish a given task, so if you choose to do things a different way and the results display the way you want, more power to you.
What do LAN, WAN, TCP/IP, PPP, and ISDN stand for?
Determine a Public Class C IP address and specify it with netmask .
Determine various IP ranges available to be used as Private IP addresses for your LAN.
Write down the steps to change the Apache 2 Web server port number from 80 to 81, on which Apache will listen for incoming requests .
Check the Apache Web server configuration file ( httpd.conf ) for syntax errors.
Restart the Apache Web server without affecting any connected clients .
Using the RPM command-line interface, determine the FTP server currently installed on your system.
Change the FTP greeting banner on your vsftpd server and test it.
Check the print queue using the command line utilities.
Check the Samba configuration file ( /etc/samba/smb.conf ) for correctness.
Check the mail queue on your Mail server.
What is the location of the DHCP server configuration file?