Community QuestionSeen on 5 CBTs

ISDN (Integrated Services Digital Network)

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Personal Area Network Your own private network Bluetooth, IR, NFC Automobile Audio output Integrate with phone Mobile phone Wireless headset Health Workout telemetry, daily reports

3 of 5 indexed CBT versions give this answer·Answer index rebuilt Aug 16, 2026

The indexed versions don't agree on this one

This question appears on 5 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.

3 of 5 versionsmost versions

Personal Area Network Your own private network Bluetooth, IR, NFC Automobile Audio output Integrate with phone Mobile phone Wireless headset Health Workout telemetry, daily reports

Comptia A+ Course Notes · Comptia A+ Notes · Comptia Notes

1 of 5 version

A digital phone/fax/data service, often used to provide Internet connectivity. There are two classes of this service: Basic Rate Interface (BRI) provides two 64 Kbps (B channels) for data and one 16 Kbps (D channel) for link management control signals; Primary Rate Interface (PRI) provides either T1 or E1 capacity levels (23B or 30B) channels, depending on location in the world and one 64 Kbps D channel.

Comptia Certmaster Practice For Network+

1 of 5 version

remote locations

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