COMPTIA A+ Practice Exam

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What is the data rate of an ISDN connection?

  1. 64 KBps

  2. 128 KBps

  3. 256 KBps

  4. 512 KBps

The correct answer is: 128 KBps

An ISDN connection typically has a data rate of 128 KBps. This is a digital connection and the data rate is measured in kilobits per second (Kbps). Option A is incorrect because it is a smaller data rate, while options C and D are incorrect because they are larger data rates. It is important to note that the data rate for an ISDN connection may vary depending on the type of ISDN service and equipment used.

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