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VoWi-Fi (Voice Over Wi-Fi) or GAN (Generic Access Network) Architecture, Interfaces Online Test 1

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Total Questions: 65

Total Minutes: 65

Take this Free Online Test or Quiz or Trivia on VoWi-Fi (Voice Over Wi-Fi) or GAN (Generic Access Network) architecture and Interfaces. You can easily clear Job interviews and College exams after taking this technology quiz. Cellular mobile networks implement it to suppress coverage issues.

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1) Which organization provides standards for VoWi-Fi technology?
2) Voice Over Wi-Fi uses ____ spectrum. (Unlicensed/Licensed)
3) What is the problem with Licensed spectrum for Mobile Network Operator (MNO)?
4) State TRUE or FALSE. To use the Unlicensed spectrum, either the Operator or the Customer has to apply for permission from the government.
5) What does WiFi (Wi-Fi) stand for?
6) What is the IEEE standard for a Wi-Fi technology?
7) State TRUE or FALSE. All modern Wi-Fi modems or routers support VoWiFi feature?
8) Voice over WiFi works on ____ network.
9) Voice Over Wi-Fi or VoWi-FI is also called ___.
10) Which is a 3GPP based network below?
11) Which is a Non-3GPP network below?
12) VoWi-Fi calling usually allows seamless handover of calls from and to the Cellular network. State TRUE or FALSE.
13) A Generic Access Network (GAN) is a 3GPP network. State TRUE or FALSE.
14) What does VoLTE stand for?
15) Over VoLTE or VoWi-Fi, a customer is authenticated through ____.
16) What is the other name for GAN network?
17) What is the operating frequency of a Wi-Fi access point?
18) What is the advantage for a Mobile Network Operator of implementing VoWi-Fi on its network?
19) How many UMA or GAN based handset modes are available?
20) What does GERAN stand for?
21) A GERAN-Only network mode supports ___ network.
22) A GERAN-Preferred network mode supports ___ network.
23) A GAN-Preferred network mode supports ___ network.
24) A GAN-Only network mode supports ___ network.
25) What is the problem of using VoWi-Fi network for a customer?
26) Which 3GPP standard defined accessing Mobile Core IP network from the WLAN network?
27) A GAN (Generic Access Network) is based on ____.
28) To support VoWi-Fi, mobile phones have to confirm to which 3GPP standards?
29) Voice quality of VoWi-Fi compared to VoLTE network?
30) What is the difference between VoWiFi and VoLTE?
31) What is the core cellular technology generation supporting VoWiFi technology?
32) For untrusted VoWiFi (calling from any network wifi), the technologies to be supported by the Phone or WiFi router are?
33) VoWiFi allows calling from a Mobile even without a mobile signal. State TRUE or FALSE.
34) What is the main element of VoWiFi architecture?
35) What is the interface between a UE (User Equipment) and ePDG (Evolved Packet Data Gateway) in the GAN architecture?
36) What is the interface between ePDG (Evolved Packet Data Gateway) PDN -G (Packet Data Network Gateway) in the GAN architecture?
37) A Trusted Non-3GPP network element can directly communicate with PDN Gateway using ___ interface.
38) A Trusted Non-3GPP network element can directly communicate with a PCRF (Policy and Charging Rules Function) using ___ interface.
39) A Trusted Non-3GPP network element can directly communicate with AAA authentication server using ___ interface.
40) An Untrusted Non-3GPP network element can communicate with ePDG (Evolved Packet Data Gateway) using ___ interface in a GAN architecture.
41) An Untrusted Non-3GPP network element can communicate with the 3GPP AAA authentication server using ___ interface.
42) What is the interface between an ePDG and 3GPP AAA server in a GAN or VoWiFi architecture?
43) What is the interface between a 3GPP AAA server and a PDN Gateway element in a VoWi-Fi network architecture?
44) What is the interface between ePDG and PCRF elements in a VoWiFi architecture?
45) What is the interface between a PDN Gateway and PCRF element in GAN (Generic Access Network) architecture?
46) What is the interface between a PCRF and IP Services (IMS, PSS etc) element in a Non-Roaming GAN architecture?
47) What is the interface between PCRF and Operator's IP Services element in a Non-Roaming GAN architecture?
48) What is the interface between PCRF and Serving-Gateway in a Non-Roaming VoWi-Fi architecture?
49) 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?
50) What is the interface between HSS (Home Subscriber Server) and 3GPP AAA Server in a Non-Roaming GAN architecture?
51) State TRUE or FALSE. In a Roaming GAN architecture, PCRF element is divided as vPCRF (Visitor PCRF) and hPCRF (Home PCRF) elements.
52) In an Evolved Packet System (EPS), what is the interface between vPCRF and hPCRF in Roaming architecture?
53) In a Roaming GAN architecture, ePDG uses vPCRF and PDN-Gateway uses hPCRF. State TRUE or FALSE.
54) Choose the correct statement about Roaming GAN architecture elements below.
55) Choose the correct abbreviations below.
56) Choose the correct abbreviations below.
57) Rove-In refers to hand-over of call to ___ network.
58) Rove-out refers to handing of Call to ___ network.
59) To provide roaming of calls between Wi-Fi and 3GPP networks, the user SIM contains ____.
60) 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.
61) State TRUE or FALSE. The mobile periodically informs to GANC (Generic Access Network Controller) about the cellular network parameters so that the call may be handed over to the Cellular network if required.
62) The authentication of user SIM to the GANC is done using ___.
63) A GAN network supports __ type of SMS services.
64) GAN network uses __ to deliver SMS securely.
65) Choose the correct statement about GANC call setup.

 

 

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