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You are troubleshooting a faulty network. You need to illustrate the route packets take through the inter-network in order to identify the weak spot. Assuming you are working on a Windows environment, type the command to find where the packets are dropped.
C:\>
You are working on a Cisco Router. You are in User Exec mode and you need to display the startup configuration to troubleshoot an issue. Type the command to display the startup configuration settings.
Router>
You are at a Windows 10 workstation and have a command prompt open. Type the command to view resource record information on a particular DNS server.
C:\>
You are working at a Linux command prompt. You need to find the A record from the website dojopass.org to troubleshoot DNS-related issues. Type the command to display the records from the dojolab DNS server.
student@dojolab:~$
Type the command to view the Internet Protocol (IP) configuration on a Linux host.
student@dojolab:~$
Type the Windows command-line utility that produces the following output.
1 <1 ms <1 ms <1 2 7 ms 3 ms 4 ms 3 45 ms 23 ms 19 ms 4 11 ms 29 ms 28 [202.1.56.23] 5 26 ms 29 ms 29 [199.12.87.26] 6 * * * Request timed out. 7 56 ms 67 ms 99 ms be11.trmc15-01.ars.mgmt.hox1 [156.168.0.3] 8 * * * Request timed out. 9 222 ms 222 ms 198 ms be13.trmc35-01.ars.mgmt.hox37 [164.168.0.4]
C:\>
Type the Windows command-line utility that produces the following output.
Reply from 1.2.3.4: bytes=32 time=25ms TTL=53 Reply from 1.2.3.4: bytes=32 time=77ms TTL=53 Reply from 1.2.3.4: bytes=32 time=23ms TTL=53 Reply from 1.2.3.4: bytes=32 time=67ms TTL=53 Statistics for 1.2.3.4: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 67ms, Maximum = 89ms, Average = 56ms
C:\>
Type the Windows command-line utility that produces the following output.
Active Connections Proto Local Address Foreign Address State TCP 127.0.0.1:7869 CZ111:49770 ESTABLISHED TCP 127.0.0.1:49770 CZ222:7869 ESTABLISHED TCP 127.0.0.1:25678 CZ333:25678 ESTABLISHED TCP 192.168.44.55:4567 RJ-N22P:42173 ESTABLISHED TCP 192.168.44.55:4567 RJ-N22P:44356 ESTABLISHED TCP 192.168.44.55:49770 autodiscover:https ESTABLISHED TCP 192.168.44.55:49770 autodiscover:https ESTABLISHED TCP 192.168.44.55:25678 91-14-55-5:https ESTABLISHED
C:\>
You are at a Windows 10 workstation and have a command prompt open. Type the command that displays the routing table on the local computer.
C:\>
Type the Windows command-line utility to view the ARP table stored in memory.
C:\>
You are working at a Linux command prompt. You need to find the name that is given to your computer and is attached to the network. Type the command to obtain the system hostname.
student@dojolab:~$
You need to verify the connection to 192.168.0.10 on port 25 and the connection to 192.168.0.11 on port 80 with the help of the telnet command. Type the Windows command-line utility to verify the connections.
1. C:\>
2. C:\>
You are working at a Linux command prompt. You need to capture and analyze packets from the ethernet interface 0 using the tcpdump command. Type the command to start capturing the packets.
student@dojolab:~$
You need to perform a nmap scan using the hostname server1.dojopass.org to find out all open ports, services and MAC address on that system. Type the command to initiate the scan.
student@dojolab:~$
Type the command-line utility to delete the ARP cache on your Windows workstation.
C:\>