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CompTIA

LX0-104 · Question #99

Which of the following commands will help identify a broken router between the local and the remote machine?

The correct answer is E. traceroute. The traceroute command is specifically designed to map the network path to a destination and can effectively pinpoint broken routers or points of failure.

Networking Fundamentals

Question

Which of the following commands will help identify a broken router between the local and the remote machine?

Options

  • Aps
  • Bnetstat
  • Cnslookup
  • Difconfig
  • Etraceroute

How the community answered

(67 responses)
  • A
    1% (1)
  • B
    6% (4)
  • D
    1% (1)
  • E
    91% (61)

Why each option

The `traceroute` command is specifically designed to map the network path to a destination and can effectively pinpoint broken routers or points of failure.

Aps

`ps` displays information about running processes on the local system, which is unrelated to network path diagnostics.

Bnetstat

`netstat` shows local network connections, routing tables, and interface statistics, but it does not trace the path to a remote machine.

Cnslookup

`nslookup` is used to query Domain Name System (DNS) servers for name resolution, not for tracing network paths.

Difconfig

`ifconfig` configures or displays network interface parameters on the local machine and cannot be used to identify issues on remote routers along a path.

EtracerouteCorrect

`traceroute` sends packets with incrementally increasing Time-To-Live (TTL) values, causing each intermediate router to respond with an ICMP Time Exceeded message. By displaying the IP addresses of these responding routers, it reveals the full path taken by packets and can identify where connectivity breaks down or becomes slow.

Concept tested: Network path troubleshooting with traceroute

Topics

#traceroute command#network troubleshooting#routing paths

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