MendozaGuerrero_L_1.5.3.6.docx

GTC IST-110 PT Lab: Communicating in a Cyber World Addressing Table Device Private IP Address Public IP Address Subnet Mask Site FTP / web server 10.44.1.254 209.165.201.3 255.255.255.0 Metropolis Bank HQ E-mail / DNS server 10.44.1.253 209.165.201.4 255.255.255.0 Metropolis Bank HQ NTP / AAA server 10.44.1.252 209.165.201.5 255.255.255.0 Metropolis Bank HQ File backup server 10.44.2.254 N / A 255.255.255.0 Gotham Healthcare Branch Objectives Part 1: sending e-mails between users Part 2: Upload and download files via FTP Part 3: remote access to an enterprise router via Telnet Part 4: remote access to an enterprise router via SSH Background / Scenario In this exercise, you are using common network services to communicate across multiple remote networks. The IP address, network configuration and service configurations are already available. You will use client devices in different geographic regions to connect to servers and other client devices. GTC - CPT Dept Page 1 of 16 IST 110 Lab

GTC IST-110 PT Lab: Communicating in a Cyber World Screenshots (Output) For screenshots (snips) make sure to include enough to determine proper source and/or target devices. This could be via including the name of the PC/Device, the hostname of the networking device (Router or switch) or ipconfig output Example: Ipconfig and Ping (single snip) GTC - CPT Dept Page 2 of 16 IST 110 Lab

GTC IST-110 PT Lab: Communicating in a Cyber World Example: Wireless Network Status Example: Web Browser GTC - CPT Dept Page 3 of 16 IST 110 Lab

GTC IST-110 PT Lab: Communicating in a Cyber World Part 1: Send Email between Users Step 1: Access the email client on Mike’s PC. a. Click the Gotham Healthcare Branch site and then click the PC Mike . b. Click the Desktop tab and then click Email. Step 2: Send an email to Sally. a. Create an email by clicking the Compose button. b. In the To: field, enter the email sally@cisco.corp 1) In the Subject: field, enter the string of text “ Urgent- Call me ”. 2) In the Message section, enter. “ Call me when you are free today to discuss the new sale. ” Screenshot (below): Email creation GTC - CPT Dept Page 4 of 16 IST 110 Lab

GTC IST-110 PT Lab: Communicating in a Cyber World c. Click the Send button to transmit the email. d. What protocol was used to send the email to the email server? (spell out acronyms) Simple Mail Transfer Protocol, or SMTP e. Return to the geographic (root) view by clicking on the “back one level” arrow on the right top horizontal menu bar: Step 3: Have Sally check her email. a. Enter the Metropolis Bank HQ site and then click the PC Sally . b. Click the Desktop tab and then click Email. c. Click the Receive button to retrieve the email sent from Mike. GTC - CPT Dept Page 5 of 16 IST 110 Lab

GTC IST-110 PT Lab: Communicating in a Cyber World Screenshot (below): Email retrieval d. What protocol was used to retrieve the email from the email server? (spell out acronyms) Post Office Protocol , or POP3 Part 2: Upload Files using FTP Step 1: Set the packet sniffer to capture traffic on the correct port. a. Enter the geographic (root) view to see all three remote sites. b. Click the Cyber Criminals Sniffer. c. Click Port1 to capture packets on this port. d. Leave the Cyber Criminal Sniffer open and visible for the rest of this part. GTC - CPT Dept Page 6 of 16 IST 110 Lab

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