A network administrator working on a Windows host is troubleshooting a connection failure to an off-site database server at IP address running on TCP port . Place the following command-line diagnostic procedures in the correct logical sequence, following a standard bottom-up network troubleshooting methodology starting from local network configuration verification up to specific transport-layer service testing.
- 1Run ipconfig /all to inspect local network interface configuration, assigned IPv4 parameters, and default gateway settings.
- 2Run ping 192.168.1.1 to confirm basic Layer 3 ICMP Echo reachability to the local default gateway router.
- 3Run tracert 198.51.100.25 to map intermediate router hops and pinpoint where path drops or delays occur across the wide-area route.
- 4Run Test-NetConnection 198.51.100.25 -Port 5432 to test TCP socket connectivity directly to the application service.
Cevap
The correct logical order begins with local host configuration analysis (ipconfig /all), proceeds to default gateway ICMP verification (ping 192.168.1.1), follows with path route tracing (tracert 198.51.100.25), and concludes with targeted transport-layer port testing (Test-NetConnection 198.51.100.25 -Port 5432).
Following the CompTIA and standard OSI bottom-up troubleshooting methodology, an administrator must first verify local host network interface and address configuration (ipconfig /all), then test local network Layer 3 reachability to the default gateway (ping 192.168.1.1), followed by path analysis across intermediate routers to the target destination IP (tracert 198.51.100.25), and lastly validate specific transport-layer TCP port availability (Test-NetConnection -Port 5432).
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Layered Command-Line Network Troubleshooting Workflow
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