Certified Information Systems Security Professional (CISSP) Practice Exam 2025 – All-in-One Guide to Mastering Your Certification!

Question: 1 / 1980

What does Caller ID help identify?

Internet speed

The calling phone number

Caller ID primarily helps identify the calling phone number. This technology allows the recipient of a call to see the phone number of the incoming caller, providing them with information about who is trying to contact them before they answer the call. This can enhance security and privacy by allowing individuals to screen calls, helping them avoid unwanted or potentially harmful interactions.

While Caller ID can provide information about the phone number, it does not inherently offer details regarding the internet speed, the actual location of the caller, or details about the capacity of the phone line. These aspects are not functions of Caller ID technology, which is specifically designed for displaying the originating phone number associated with an incoming call.

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The location of the call

The capacity of the phone line

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