Managing X client authorization | LinuC Level 1 101 Exam original practice question

1.01.5Basic

Limit X server connections to authorized clients using MIT-MAGIC-COOKIE records stored per user.

Which command manages this data?

Hint 1: Focus on the requirement

Select the tool that manages X authorization records rather than starting a session or changing the display target.

Hint 2: Key terms

Review the short definitions before comparing the X Window System choices.

xauth: A command that reads and manages X authorization records.
MIT-MAGIC-COOKIE: A cookie value used to authenticate an X client to a server.
XAUTHORITY: The environment variable naming the file that stores X authorization data.
Authorization record: A credential entry that permits a client to connect to an X display.

Detailed explanation

Correctxauth

Correct. xauth manages X authorization records and cookies.

Incorrectstartx

Incorrect. startx starts an X session.

Incorrectuptime

Incorrect. uptime reports system status.

Incorrectxkillall

Incorrect. xkillall is not the standard authorization utility.

An example you can run in a temporary verification environment.

xauth -h 2>&1 | head || true

xauthがある場合はhelp。recordは変更しない

Foundation review

xauth handles credential records, while DISPLAY names the destination and startx launches a local session.

Treat authorization cookies as secrets and inspect them without printing them into shared logs.

Question IDKL-101-373

Environmentxauth helpのみ

Last technical review2026-08-13

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