Displaying routes numerically with netstat | LinuC Level 1 102 Exam original practice question

1.07.3Basic

Use net-tools netstat to display the IPv4 routing table without name resolution.

Which command is appropriate?

Hint 1: Focus on the observed layer

Separate interface counters, sockets, DNS lookups, path tracing, and routing changes before comparing the diagnostic commands.

Hint 2: Key terms

Review the short definitions of interface counters, sockets, DNS, path tracing, and routes involved.

netstat: A legacy command for displaying connections, routes, and network statistics.
-r: A netstat setting that displays the routing table.
-n: A setting that suppresses name lookup and displays numeric addresses.
-i: A setting that displays network-interface statistics.
-s: A setting that displays protocol statistics.
-l: A setting that selects listening sockets.

Detailed explanation

Incorrectnetstat -lnt

Incorrect. -lnt lists listening TCP sockets.

Incorrectnetstat -i

Incorrect. -i displays interface statistics.

Correctnetstat -rn

Correct. It displays the routing table numerically.

Incorrectnetstat -s

Incorrect. -s displays protocol statistics.

An example you can run in a temporary verification environment.

netstat -rn 2>/dev/null | sed -n '1,5p' || printf '%s
' 'netstat is not installed'

Kernel IP routing tableと数値の経路一覧、または未導入メッセージ

Foundation review

Kernel-maintained counts of packets, errors, and drops at an interface.

A local or remote endpoint associated with a transport protocol and process.

A diagnostic method that observes hops and path limits toward a destination.

Question IDKL-102-987

Environmentnet-tools netstat / 読み取り専用

Last technical review2026-08-13

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