Q. An Untrusted Non-3GPP network element can communicate with the 3GPP AAA authentication server using ___ interface.

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Q. What is the interface between an ePDG and 3GPP AAA server in a GAN or VoWiFi architecture?

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Q. What is the interface between a 3GPP AAA server and a PDN Gateway element in a VoWi-Fi network architecture?

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Q. What is the interface between ePDG and PCRF elements in a VoWiFi architecture?

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Q. What is the interface between a PDN Gateway and PCRF element in GAN (Generic Access Network) architecture?

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Q. What is the interface between a PCRF and IP Services (IMS, PSS etc) element in a Non-Roaming GAN architecture?

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Q. What is the interface between PCRF and Operator's IP Services element in a Non-Roaming GAN architecture?

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Q. What is the interface between PCRF and Serving-Gateway in a Non-Roaming VoWi-Fi architecture?

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Q. What is the interface between a HSS (Home Suscriber Server) and an MME (Mobility Management Entitiy) of a 3GPP access network in a Non-Roaming VoWi-Fi (or GAN) architecture?

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Q. What is the interface between HSS (Home Subscriber Server) and 3GPP AAA Server in a Non-Roaming GAN architecture?

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Q. State TRUE or FALSE.
In a Roaming GAN architecture, PCRF element is dividedas vPCRF (Visitor PCRF) and hPCRF (Home PCRF) elements.

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Q. In an Evolved Packet System (EPS), what is the interface between vPCRF and hPCRF in Roaming architecture?

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Q. State TRUE or FALSE.
In a Roaming GAN architecture, ePDG uses vPCRF and PDN-Gateway uses hPCRF.

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Q. Choose the correct statement about Roaming GAN architecture elements below.

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Q. Choose the correct abbreviations below.

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Q. Choose the correct abbreviations below.

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Q. Rove-In refers to hand-over of call to ___ network.

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Q. Rove-out refers to handing of Call to ___ network.

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Q. To provide roaming of calls between Wi-Fi and 3GPP networks, the user SIM contains ____.

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Q. State TRUE or FALSE.
In Non-Roaming scenario, the mobile can use any local IP of the WiFi network to make and receive calls. In a Roaming scenario, unique global IP is mandatory.

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