Exam N10-008 topic 1 question 567 discussion

GSM (Global System for Mobile Communications): GSM is a widely used cellular technology that enables voice and data communication over cellular networks. It is the most prevalent standard for mobile communication globally and is used by many countries. GSM phones use SIM cards (Subscriber Identity Module) to identify and authenticate the user on the network. This technology allows users to switch between different GSM networks by changing the SIM card while keeping the same device. The other options have different meanings: A. WDMA: This is not a recognized cellular technology. It might be a typo or a misunderstanding. B. CDMA (Code Division Multiple Access): CDMA is another cellular technology used for communication, but it's less common compared to GSM. CDMA does not rely on SIM cards in the same way GSM does. Instead, CDMA phones are typically associated with the ESN (Electronic Serial Number) of the device.

GSM-Global = Each call is given time slots to be transferred over by. Systems Mobile-2G, UMTS-Universal Mobile Telecommunications Service-3G, HSPA-High-Speed Packet Access-3.5G, WiMAX sits between the 3G and Cellular data's new 4G and 5G technology. But can still be used for internal WAN connections. This uses SIM cards.

C. GSM To support international roaming and the ability to use a SIM card for placing outgoing calls and receiving incoming calls, the CEO's phone needs to be compatible with GSM (Global System for Mobile Communications) cellular technology. GSM is widely used globally and is a standard for mobile communication that allows users to easily switch between different networks and use different SIM cards in their devices. This flexibility is particularly important for international travelers who may encounter different cellular networks in various countries.