1. About Multi-node centralized call management networking scenarios' user configuration，which of the following statementis correct? (Multiple choice)

2. eSpace UC solution provides end to end secure networking solutions, including ( ). (Multiple choice)

3. In the eSpace UC solution, whhich of the following does eSpace Desktop need to communicate with? (Multiple choice)

4. To deploy a centralized multi-node disaster recovery network scenario, which license should the center main node load?

5. BMU adding U1960 gateway fails, what is the possible reason? (Multiple choice)

6. Which status' inquiry command does AR router provide? (Multiple choice)

7. The Operator login Console client. When the login is successful, the operator number will appear as "not checked." What is the possible reason? (Multiple choice)

8. In local regeneration scene, several IP telephony in a company branch office can be successfully registered in a branch of the AR router. But in the configuration and license normal circumstances, cannot hold a conference call between the IP phones.
If analyzing from hardware damage situation, which of the following hardware damage can cause this phenomenon?

9. Users can use self-service account login BMU, which of the following statement is incorrect about self-service?

10. An enterprise has a U1981, and deploy BMU and CDRServer, administrators want to find a certain time a call list, which can be used in the following ways? (Multiple choice)