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CompTIA

XK0-005 · Question #101

A systems administrator observes high latency values when reaching a remote web server. Which of the following commands will help determine and isolate issues on the network side?

The correct answer is A. mtr. To diagnose high latency to a remote web server and identify network issues, the mtr command is most effective as it combines the functionality of traceroute and ping.

Troubleshooting

Question

A systems administrator observes high latency values when reaching a remote web server. Which of the following commands will help determine and isolate issues on the network side?

Options

  • Amtr
  • Bdig
  • Cnetstat
  • Droute

How the community answered

(46 responses)
  • A
    93% (43)
  • B
    2% (1)
  • C
    4% (2)

Why each option

To diagnose high latency to a remote web server and identify network issues, the `mtr` command is most effective as it combines the functionality of `traceroute` and `ping`.

AmtrCorrect

The `mtr` (My Traceroute) command continuously sends packets and displays statistics about the path to a destination, including latency and packet loss for each hop along the route. This provides a live, continuously updated view of network performance, making it highly effective for identifying specific segments or routers experiencing high latency or packet loss.

Bdig

The `dig` command (Domain Information Groper) is used for querying DNS name servers and will not help in analyzing network latency or routing paths.

Cnetstat

The `netstat` command displays network connections, routing tables, interface statistics, and multicast memberships, but it does not trace the path or provide hop-by-hop latency statistics to a remote host.

Droute

The `route` command displays or modifies the IP routing table on the local system, which is useful for understanding local routing but not for diagnosing latency across the entire path to a remote server.

Concept tested: Network latency troubleshooting tools

Source: https://man7.org/linux/manpages/man8/mtr.8.html

Topics

#Network troubleshooting#mtr command#Network latency#Networking commands

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