Community QuestionSeen on 2 CBTsRe-created in 5 study sets this year

Real-time operating system (RTOS)

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Answer

Removable cards in GSM phones that contain information for identifying subscribers. They can also store other information, such as messages and call history.

1 of 2 indexed CBT versions give this answer·Answer index rebuilt Aug 10, 2026

The indexed versions don't agree on this one

This question appears on 2 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.

1 of 2 versionmost versions

Removable cards in GSM phones that contain information for identifying subscribers. They can also store other information, such as messages and call history.

Comptia Exam Objectives Security+

1 of 2 version

Protection from specifically malware (Trojans, worms, macro viruses) Both terms are usually used interchangeably nowadays

Comptia Sec Plus Objectives

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Comptia Exam Objectives Security+ →Comptia Sec Plus Objectives →