1. Over VoLTE or VoWi-Fi, a customer is authenticated through ____.

A. Username, Password

B. SIM

C. Fingerprint

D. None

Ans: B

 2. VoWi-Fi calling usually allows seamless handover of calls from and to the Cellular network. Select TRUE or FALSE.

A. TRUE

B. FALSE

Ans: A

3. A Generic Access Network (GAN) is a 3GPP network. Select TRUE or FALSE.

A.TRUE

B. FALSE

Ans: B

4. What does VoLTE stand for?

A. Voice over LTE

B. Voice Offload LTE

C. Voice Outgoing LTE

D. None

Ans:  A

5. Voice over Wi-Fi works on ____ network.

A. Same operator Wi-Fi hotspot

B. Different operator Wi-Fi  hotspot

C. Any Operator Internet Service like Broadband with a Wi-Fi router

D. All

Ans: D

6. Voice Over Wi-Fi or VoWi-Fi is also called ___.

A. Wi-Fi Calling

B. Hotspot Calling

C. Home Free Calling

D. All

Ans: D

7. Which is a 3GPP based network below?

A. 2G (GSM)

B. 3G (UMTS)

C. 4G LTE-A, 4G LTE-A Pro

D. All

Ans: D

8. Which is a Non-3GPP network below?

A. Wi-Fi

B. Wi-Max

C. 4G LTE-A

D. 3G UMTS

Ans: A

 9. What does Wi-Fi (Wi-Fi) stand for?

A. Wireless Feature

B. Wide Area Network Feature

C. Wireless Fidelity

D. Wide Area Network Fidelity

Ans: C

10. What is the IEEE standard for a Wi-Fi technology?

A. 802.1

B. 802.11

C. 802.3

D. None

Ans: B

11. Select TRUE or FALSE. All modern Wi-Fi modems or routers support VoWi-Fi  feature?

A.TRUE

B. FALSE

Ans: B

12. Which organization provides standards for VoWi-Fi technology?

A. ANSI (American National Standards Institute)

B. 3GPP (Third Generation Partnership Projects)

C. 3GPP2 (Third Generation Partnership Projects 2)

D. None

Ans: B

13. Voice Over Wi-Fi uses ____ spectrum.

A. Licensed

B. Unlicensed

Ans: B

14. What is the problem with licensed spectrum for Mobile Network Operator (MNO)?

A. It is provided in limited quantity (Mhz or Ghz) to each network operator of the respective country.

B. It is provided after action from Regulatory authorities.

C. Spectrum fee is either one time or recurring.

D. All the above

Ans: D

15. State TRUE or FALSE. To use the unlicensed spectrum, either the Operator or the Customer has to apply for permission from the government.

A. TRUE

B. FALSE

Ans: B