Which of the following pairs of acronym and its expansion is incorrectly matched?

AGPS - Global Positioning System

BGSM - Global System for Management ✓ Correct

CSIM - Subscriber Identity Module

DWimax - Worldwide Interoperability for Microwave Access

Correct answer: (B) GSM - Global System for Management

Explanation

GSM actually stands for Global System for Mobile communications, so the expansion Global System for Management is the incorrect match.

GPS as Global Positioning System is correctly matched.

SIM as Subscriber Identity Module is correctly matched.

Wimax as Worldwide Interoperability for Microwave Access is correctly matched.

GSM is the standard behind most digital mobile phone networks.

A SIM card stores the subscriber identity used on a GSM network.

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