問80
頻出度★★★
USB メモリなどの外部記憶媒体を PC に接続したときに，その媒体中のプログラムや動画などを自動的に実行したり再生したりする OS の機能であり，マルウェア感染の要因ともなるものはどれか。
令和5年度 ITパスポート試験 問80
テクノロジ系セキュリティ › 情報セキュリティ
This question's explanation and your answers so far.
解説
問 80
Incorrectア
AutoCorrect is a feature that automatically fixes spelling mistakes or conversion errors while you type. It is an input aid in word processors and similar software, and has nothing to do with automatically running content on external storage media.
Incorrectイ
AutoComplete is an input-assistance feature that, based on previously entered history and the like, predicts the rest of a word or phrase from the characters being typed and shows completion candidates. It has nothing to do with automatically running or playing programs on a medium.
Incorrectウ
AutoFilter is a feature in spreadsheet software that narrows the data in a table down to only the rows matching certain conditions. It is a feature for extracting and organizing data, and has nothing to do with automatically running content on external media.
- エ
正解 The correct answer is “エ: AutoRun”. AutoRun is an OS feature that, when an external storage medium such as a USB memory drive or a CD/DVD is connected to or inserted into a PC, automatically runs or plays the programs, videos, or other content specified in advance on the medium, without any action by the user. This exactly matches the question's description of an OS feature that automatically runs or plays content. At the same time, because a program on the medium can run without the user intending it, simply inserting a USB memory drive loaded with a malicious program can become a path to malware infection, so it also satisfies the condition of being a possible cause of malware infection. In fact, because of this danger, recent operating systems usually disable it by default.
ここがポイント
- AutoRun is an OS feature that automatically runs programs on an external storage medium when the medium is connected; because it can serve as a path for malware infection via a malicious USB memory drive, it is now often disabled by default.
- Distinguishing the features named with the prefix Auto: Correct = automatic correction, Complete = input completion, Filter = data filtering, Run = automatic running of a medium.
用語