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Which of the following is true for CDPD?

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Which of the following is true for CDPD?

(a) Expensive to install

(b) Uses different infrastructure

(c) Complex

(d) Inexpensive to install

I had been asked this question in an online interview.

This intriguing question comes from Wireless Data Services in chapter Wireless Networking of Wireless/Mobile

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Best answer
Right choice is (d) Inexpensive to install

For explanation: CDPD directly overlays with existing cellular infrastructure and uses existing base station equipment, making it simple and inexpensive to install. CDPD does not use the MSC, but rather has its own traffic routing capabilities.

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