What is a characteristic of a SIM card?
- It is used to extend the cell phone battery lifetime.
- Two SIM cards can be installed on some phones, but the SIM cards must be from the same vendor.
- It is used to add memory to many mobile devices.
- It can be used to hold user personal data.
Explanation: A SIM card is a small card that contains information used to authenticate a device to mobile telephone and data providers. It can also hold user data such as personal contacts and text messages.
Exam with this question: 3.3.2 Quiz - Other Mobile Devices
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