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Network Troubleshooting and Protocol Analysis

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 Response What HTTP message type is used to request data? GET Identify which flags are set in each of the three segments of the three-way handshake. SYN, SYN-ACK, SEQ/ACK What command can be used on a Windows machine to view the MAC address? Ipconfig /all 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. What utility can be used to find out the IP address, subnet mask, and default gateway configured on a computer? Response 2% Administrator Command Prompt 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 ns lookup [-opt nslookup [-opt nslookup [-opt # interactive mode using default server interactive mode using 'server' - server 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>Richard Rose 1157 Nay4:465511 - Windows Internet Fqdurer - 4 X e ? 1157 Plagt:16551: Wenn Sie Galery Welcome ???? Bienvenido Bem-vindo Willkommen Vítejte Bienvenue FLAG5:545561 Tervetuloa ?????? ????? VELKOMEN ?? ?? Velkommen Benvenuto IIS7 internet information services Welkom Witamy Välkommen ?????? ????? ????? ??????? ????? ?????????? Ho? Geldiniz Üdvözöljük Ipconfig /all 2 Southern New Hampshire University What is the function of the ipconfig/release and the ipconfig/renew commands? What type of devices would be better served to have static IP configuration? TCP/IP Protocols - The Core Protocols Prompt In the lab, "Capture and Analyze Transport Layer Protocol Packets," Step 10, take a screenshot of the output of the field details of the TCP segment. Ipconfig /release: release the network config and erase the current network config for all adapters. Ipconfig /renew: request new IP address. Servers, network printers, network cameras, gateways and routers. Response *Local Area Connection (tcp) [Wireshark 1.10.1 (SVN Rev 50926 from /trunk-1.10)] File Edit View Go Capture Analyze Statistics Telephony Tools Internals Help 0 16 Q q Q % H Filter : Expression ... Clear Apply Save No. Time Source Destination Protocol Length Info 10.0000C192.168.12.11131.107.0. 20(TCP 66 netarx > http [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=4 20.00011192. 168. 12. 11131. 107. 0. 20(TCP 66 [TCP Out-Of-Order] netarx > http [SYN] Seq=0 Win=8192 30.00033131.107. 0. 20(192. 168. 12. 1]TCP 40.00035192. 168. 12. 11131. 107. 0. 20(TCP 66 http > netarx [SYN,