1. Which the authentication scheme is NOT supported by HSS9820?

2. The MRP6600 provides the following functions: ( ). (Select 3 answers)

3. CSC3300 consists of ( ) modules. (Select 3 answers)

4. The result of UAC3000's subscription status can be ( ). (Select 3 answers)

5. What is the information can be obtained through NS query by ENS? ( )

6. What interconnection data should be configured between ENS-FE and ENS-BE? ( ) (Select 3 answers)

7. What is the pre-condition for ATS service provisioning? ( ) (Select 3 answers)

8. If we get a alarm which shows “Link Between ATS and Peer HSS Disconnected”, what are possible causes? ( ) (Select 3 answers)

9. In the session procedure, the path of PRACK and INVITE message are the same.

10. Basic data configuration in ATS is referred to ( ) configuration. (Select 4 answers)

11. If we get a alarm which shows "Redundancy Failed”, what are possible causes? ( ) (Select 3 answers)

12. The URI for login to the SPG Web Portal system is ( ).

13. At the A-SBC usage scenarios, which IP address will be considered as the IP address of the core network by the terminal?

14. Which services can be provided by IMS? ( ) (Select 3 answers)

15. The M2000 system works in client/server mode. The M2000 system can have multiple clients and can have either one server or two servers. The two servers constitute a High Availability.

16. UAC3000 support for embedded DNS function.

17. Which command is used to configure the digitmap data for AGCF?

18. In IMS session procedure, media stream is carried by RTCP packet.

19. We use ( ) command to add the called number analysis data in ATS9900.

20. How to query the AGCF users' status in UAC MML window?