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Huawei H11-811 Exam Questions
Huawei Certified Network Associate - Unified Communication (Page 8 )

Updated On: 17-Feb-2026
Page 8 of 48
PDF with 235 Questions

In an enterprise's VoIP network, IP phone A registers with the U1981, and POTS phone B registers with the same U1981 through an IAD. During a call between phones A and B, which of the following statements are correct about signaling and media streams? (Multiple Choice)

  1. The flow for signaling streams is the same as that for media streams.
  2. Signaling streams must traverse eSpace U1981, while media streams do not.
  3. Media streams are transmitted directly between IP phone A and the IAD.
  4. If eSpace U1981 fails (when the call between phones A and B has been continued for 5 minutes), the call between phones A and B is disconnected immediately.

Answer(s): B,C



In U1900 series unified gateway, which of the following statements are CORRECT about the relationships among prefixes, office routes, office route selection codes, and trunks for eSpace U1900? (Multiple Choice)

  1. A prefix can map only one office route selection code.
  2. An office route selection code can map only one prefix.
  3. Office route selection codes and office routes have a one-to-many relationship.
  4. An office route can map the trunks of different types.

Answer(s): A,D



Which of the following statements are CORRECT about configuring the clock for a PRA trunk on U1900? (Multiple Choice)

  1. The clock source can be the U1900 itself or the peer device.
  2. The clock is configured to prevent frame slip caused by asynchronous clocks.
  3. If the U1900 is connected to multiple devices using Tl/El trunks, each trunk requires a clock source.
  4. If the U1900 provides the clock source, you still need to configure the clock source.

Answer(s): A,B



User A has registered the call forwarding to the voice mailbox unconditional service. When user A calls user B who has not registered with the call forwarding service, the call is directly forwarded to user B's voice mailbox.

  1. TRUE
  2. FALSE

Answer(s): B



eSpace IP phones support the () function that can provide the PC port link for the PC connection.

  1. Route
  2. Bridge
  3. Switch
  4. Console

Answer(s): B






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