CIS 312 Lab 2 Network Information

Description

CIS 312 Lab 2 Network Information

Complete the following steps. Submit a screen shot of steps 2, 4 and 6 and the answers to steps 8 and 9 in a Word document:
1. Using the credentials provided to you by your professor, login to the unix-online.strayer.edu server.
2. On the command-line, execute the following command:
$ cat /proc/net/arp
3. Save a screenshot of the output produced by the command. You will need to submit it for grading.
4. On the command-line, execute the following command:
$ cat /proc/net/dev
5. Save a screenshot of the output produced by the command. You will need to submit it for grading.
6. On the command-line, execute the following command:
$ cat /proc/net/tcp
7. Save a screenshot of the output produced by the command. You will need to submit it for grading.
8. Use the command’s output to answer the following questions:
a. List the installed network devices?
b. What is the total number of bytes received by each network device?
c. How many TCP ports are open and how many are closed.
9. Describe how you would use the information produced by these commands.