Online Access Free H11-828 Practice Test

In an enterprise's VoIP network, only one U1981 is deployed. One day, the U1981 fails and as a result, all phones at the enterprise's headquarters and branches fail to work. To prevent this situation from happening again, which of the following approaches can be taken? (Multiple Choice)

• A.Purchase U1900s for branches, and use their local regeneration function to provide call services for phones in the branches when the U1981 at the headquarters fails.
• B.Purchase another U1981 and configure the two U1981s to work in active/standby mode for redundancy backup.
• C.Purchase IADs for branches, and use their network outage survival function to provide basic call services for IP phones in the branches when the U1981 at the headquarters fails.
• D.Use the virtual PBX function of the existing U1981 to provide redundancy.

In external network access scenarios of the eSpace UC solution, eSpace UC clients (for example, eSpace Desktop) on external networks finally register with the () to implement the voice function.

• A.MAA
• B.U1900
• C.eServer
• D.SBC

Which of the following statements about the console system is CORRECT?

• A.The console system does not support active/standby unified gateways.
• B.The console system does not communicate with AppAgent.
• C.SIP users of the SoftConsoIe register with the U1900 unified gateway.
• D.The console system obtains the directory through the eServer.

In a multi-node centralized network, there is a central node with a U1981 deployed, and two branch nodes, one with a U1911 and the other with a U1960. After a call from SIP user A under U1911 to SIP user B under U1960 is connected, the path along which the RTP streams are transmitted is ().

• A.A<->U198K->B
• B.U191K->U1960
• C.A<->U191K->U198K->U1960<->B
• D.A<->B
• E.U191K->U198K->U1960

In an external network access scenario, an SBC and an enterprise firewall are deployed in parallel. Which of the following statements are CORRECT as regard to the external eSpace Desktop authentication and registration processes? (Multiple Choice)

• A.The eSpace Desktop initiates a voice registration request to the extranet IP address of the SBC.
• B.The eServer sends the intranet IP address of the SIP server to the eSpace Desktop.
• C.The eSpace Desktop initiates an authentication request to the eServer through the firewall.
• D.The eSpace Desktop initiates an authentication request to the eServer through the SBC.