Information Technology > QUESTIONS & ANSWERS > IT NTWK8010_You are a network Administrator and your users are having some problems with connectivit (All)

IT NTWK8010_You are a network Administrator and your users are having some problems with connectivity. They are having trouble sending email to gmail.com and they're also having trouble connecting to google to perform searches. You will need to test the different layers of connectivity.

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You are a network Administrator and your users are having some problems with connectivity. They are having trouble sending email to gmail.com and they're also having trouble connecting to google to pe... rform searches. You will need to test the different layers of connectivity. The objective of this assignment is to use some discovery and troubleshooting tools to investigate network connectivity from your PC. You will need to show your successes and your failures. You will need to use Wireshark to show success and failed network tests. You will need to use telnet to test different layers of connectivity You will need to use a command line utility to test layer 3 connectivity You will need to use a utility to discover the process IDs of your successful web browser connections IMPORTANT LAYOUT: The layout of your submission should include: NOTE: Be sure to save and upload your Wireshark capture files (.pcapng) and make sure your screenshots are fully visible. Assignment Requirements 1) What is your IP address and mac address? a. Provide a screen shot of the command line used to discover these b. These should correlate to your packet captures 2) Test connectivity to the Gmail SMTP server(5 marks) a. Research how to use nslookup to find an SMTP server. i. Include reference to where you found this information ii. What is an SMTP server? b. What is the SMTP server for gmail.com? i. Show a screen shot of the command used to find this ii. What is the server name? Hint: look for MX preference 5 iii. Include a screen shot of the Wireshark DNS requests c. How can you test connectivity to an SMTP server at multiple layers of the OSI model? i. Include Wireshark screen shots for each test (success or failed) ii. Include screen shots of your command line for each test iii. Are you able to get layer 3 connectivity? 1. Show your test iv. Are you able to get transport layer connectivity? 1. Show your test v. For application layer testing, Research how to send email using telnet, through an SMTP server. NOTE: you will not be able to successfully test sending email from our network. 3) Investigate connections to google. a. Find the IP addresses associated to both names used to get to google. i. Include a screen shot of what you used in your command line ii. Include screenshots of your Wireshark captures that show these DNS results b. Use telnet to connect to Google's http site. i. Include screenshots of the steps you followed in your command line ii. Include screenshots of your Wireshark capture where you identified the packets from this test iii. What layer of the OSI did this test? iv. What happens after you successfully telnet to one IP for Google's http site and type GET? 1. What layer of the OSI did this test? NOTE: you'll have to type GET and hit the enter key. c. Test connectivity to Google's https site using the web browser (do not use WireShark) i. Include screen shots that show your browser's process ID (on CLI, not from the browser debug window) ii. Include screen shots of where you identified the ports your browser was using to connect to google. (on CLI, not from the browser debug window) iii. What host/s did your web browser connect to? (on CLI, not from the browser debug window) [Show More]

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