ITN100 Lab Exercise 5

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Phoenix College *

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Computer Science

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Dec 6, 2023

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ITN100 Lab Exercise 5 Part 1 – Linux network commands. This part of the assignment is worth 80% of the assignment grade. Please provide a screenshot where indicated . 1. Log into the VA Cyber Range and start the Ubuntu machine. 2. Type su root in the terminal 3. To view the current TCP/IP settings for the network adapter, use this command: ifconfig eth0 Screenshot 4. What is the IP address, MTU, network mask, and MAC address for eth0? 10.1.162.220, 9001, 255.255.240.0, and 12:2f:e0:2b:bb:41 5. Type ip a What does the output of this command show that the ifconfig command did not? __the ipv6, the default host________________
________________ 6. To go to the /etc directory, use this command: cd /etc 7. Linux temporarily stores the IP addresses of name servers in the /etc/resolv.conf file. Use the following cat command to view the contents of this file: cat resolv.conf Screenshot
8. What is the IP addresses of the current DNS name server(s)? _169.254.169.253_____________ 9. To go to the /etc/network directory, use this command: cd network 10. Use the following cat command to view the contents of the /etc/network : cat interfaces Screenshot
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11. Use the route command to view the IP address of your current default gateway: route –n Screenshot
12. Ping 0.0.0.0 Press Ctrl + Z to stop the ping 13. Type traceroute www.google.com Screenshot
14. Use the nslookup command to find the IP address of the google server. Screenshot 15. Type netstat -an Screenshot
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Part 2 of this assignment is worth 20% of the assignment grade. Complete and upload your grade sheet with this lab assignment.