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.

Alternate answers seen on other CBTs

The same question shows up worded slightly differently across CBT versions. Here are the other answer variants we've indexed.

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

Comptia Sec Plus Objectives