Southern New Hampshire University CYB 310 Module Two Lab Worksheet Complete this worksheet by replacing the bracketed phrases in the Response column with the relevant information. The OSI Model Prompt What HTTP message type is used to request data? GET messages are used to request data. In this lab GET/HTTP/1.1 is used to get information from http://www.isp.com. Identify which flags are set in each of the three segments of the three-way handshake. In packet 7 the SYN flag is set. In packet 8 the SYN and ACK flags are set. In packet 9 the ACK flag is set. Response What command can be used on a Windows machine to view the MAC address? Ipconfig /all can be used in Command Prompt on a Windows machine to get the MAC address for the device. 1
Southern New Hampshire University Network Troubleshooting Prompt In the lab, "Troubleshooting a Suspected DNS issue Using CLI Utilities," Step 11, type your name after the command prompt and take a screenshot of the output after running the nslookup command. In the lab, "Troubleshooting a Suspected DNS issue Using CLI Utilities," Step 14, take a screenshot of the webpage after correcting the URL. Response Et Administrator: Command Prompt C Reply from 192.168.12.10: bytes=32 time<1ms TTL=128 Reply from 192. 168. 12. 10: bytes=32 time<1ms TTL=128 Reply from 192. 168. 12. 10: bytes=32 time<1ms TTL=128 Ping statistics for 192.168. 12. 10: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = Oms, Maximum = Oms, Average = Oms C: \Users \ Administrator>nslookup ? Usage : ns lookup [-opt # interactive mode using default server # interactive mode using 'server' nslookup [-opt - server [-opt . . ns lookup ns lookup [-opt host # just look up 'host' using default server host server # just look up 'host' using 'server' C: \Users \Administrator>nslookup 192. 168. 12. 11 Server: w2k8r2internal1.netplus.com Address : 192.168.12.10 Name: w2k8r2internal2.netplus.com Address: 192. 168. 12. 11 C: \Users \Administrator> Joshua Minnick 1157 flag4:465511 - Windows Internet Explorer http://www.isp.com/ Bing × Favorites Suggested Sites . Web Slice Gallery * 1157 flag4:465511 Welcome ???? Bienvenido Willkommen Bem-vindo VÃtejte Tervetuloa ?????? ????? VELKOMEN ?? Bienvenue FLAG5:545561 ?? Velkommen Benvenuto IIS7 Welkom internet information services Witamy Välkommen ?????? Ho? Geldiniz ????? Ãœdvözöljük ????? ??????? ????? ?????????? 2
Southern New Hampshire University Network Troubleshooting What utility can be used to find out the IP address, subnet mask, and default gateway configured on a computer? Command prompt can be used to find the IP address, subnet mask, and default gateway on a computer. The command ipconfig /all will show this information. What is the function of the ipconfig/release and the ipconfig/renew commands? The ipconfig/release command tells the device to release all current IP configurations including the IP address. The ipconfig/renew command tells the device to request a new IP lease from the DHCP server. What type of devices would be better served to have static IP configuration? Any device that will need constant