Querying an IPv6 address record | LinuC Level 1 102 Exam original practice question

1.07.4Basic

Query the IPv6 address registered for app.example.test with dig.

Which command is appropriate?

Hint 1: Focus on the requirement

Identify what must change and what must remain unchanged. Then choose the command whose scope matches that requirement.

Hint 2: Check each command's role

Separate commands that display information, change state, remove data, or affect a child process.

dig app.example.test A: Incorrect. A queries an IPv4 address record.
dig app.example.test PTR: Incorrect. PTR is for reverse lookup.
dig app.example.test MX: Incorrect. MX identifies mail exchangers.
dig app.example.test AAAA: Correct. AAAA requests the IPv6 address record.

Detailed explanation

Incorrectdig app.example.test A

Incorrect. A queries an IPv4 address record.

Incorrectdig app.example.test PTR

Incorrect. PTR is for reverse lookup.

Incorrectdig app.example.test MX

Incorrect. MX identifies mail exchangers.

Correctdig app.example.test AAAA

Correct. AAAA requests the IPv6 address record.

An example you can run in a temporary verification environment.

dig -h 2>&1 | sed -n '1,8p'

digのnameとtypeを含む使用方法

Foundation review

Check whether the command acts on the current shell, a new process, an existing process, or a file.

Use the supplied command and compare the output with the expected result.

Question IDKL-102-1006

EnvironmentBIND dig help / 外部問い合わせなし

Last technical review2026-08-13