TCP/IP Ports and TCP/IP Applications - Essay Example

The services document is a static list of well-known ports on a Windows PC. You will seldom if ever see all of these endpoint ports open or active at one time. You can view a static listing of the active ports using the netstat command-line utility. netstat has a number of switches to customize the out­ put of the list. Run the netstat /?command and provide a description of the following switches: Note: Youll is making heavy use of the help functions of commands throughout the rest of the Lab in order to use some of these more advanced functions!

When in doubt, type the command and add a space and/? to the end of the command! For example ping /? Having just finished the chapter on network naming in the Mike Meyers CompTIA Network+ Guide to Managing and Troubleshooting Networks textbook, you know that you are going to have to implement DNS on the network labs systems. You want to get a jump on the setup, so you set out to define DNS and WINS and examine how they are configured on the client machines in use at the home office of ITCF. Task 2: Local PCs cache any addresses resolved by DNS on the hard disk.

To view a display of resolved addresses cached on your PC, you will use the command-line utility ipconfig /displaydns. Open a command prompt and type ipconfig /displaydns.