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Attention: The Cisco Support Community site will be in read only mode on Dec14, 2017 from 12:01am PST to 11:30am for standard maintenance. Sorry for the inconvenience.

New Member

Is ISDN part of CCNA?

The official curriculum doesn't mention ISDN. But I find questions related to that in couple of dumps that I have.

Please clarify.

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New Member

Re: Is ISDN part of CCNA?

It used to be in version 3 a fair bit but from what i've heard it's all but gone now.

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