Q. What does GERAN stand for?

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Q. A GERAN-Only network mode supports ___ network.

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Q. A GERAN-Preferred network mode supports ___ network.

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Q. A GAN-Preferred network mode supports ___ network.

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Q. A GAN-Only network mode supports ___ network.

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Q. What is the problem of usingVoWi-Fi network for a customer?

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Q. Which 3GPP standard defined accessing Mobile Core IP network from the WLAN network?

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Q. A GAN (Generic Access Network) is based on ____.

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Q. To support VoWi-Fi, mobile phones have to confirm to which 3GPP standards?

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Q. Voice quality of VoWi-Fi compared to VoLTE network?

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Q. What is the difference between VoWiFi and VoLTE?

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Q. What is the core cellular technology generation supporting VoWiFi technology?

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Q. For untrusted VoWiFi (calling from any network wifi), the technologies to be supported by the Phone or WiFi router are?

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Q. State TRUE or FALSE.
VoWiFi allows calling from a Mobile even without a mobile signal.

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Q. What is the main element of VoWiFi architecture?

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Q. What is the interface between a UE (User Equipment) and ePDG (Evolved Packet Data Gateway) in the GAN architecture?

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Q. What is the interface between ePDG (Evolved Packet Data Gateway) PDN -G (Packet Data Network Gateway) in the GAN architecture?

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Q. A Trusted Non-3GPP network element can directly communicate with PDN Gateway using ___ interface.

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Q. A Trusted Non-3GPP network element can directly communicate with a PCRF (Policy and Charging Rules Function) using ___ interface.

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Q. A Trusted Non-3GPP network element can directly communicate with AAA authentication server using ___ interface.

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