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Free H35-210 Exam Braindumps (page: 18)

Page 17 of 75
PDF with 329 Questions

What is the smallest constituent unit in the message composition mechanism of the H248 protocol?

  1. message message
  2. transaction transaction
  3. Association context
  4. Command command

Answer(s): D



Regarding the difference between GPON and EPON, which of the following statements is correct?

  1. Both GPON and EPON adopt single-fiber bidirectional data transmission mode, in which EPON uses 1490nm downlink wavelength to transmit data, and GPON uses 1550nm downlink wavelength to transmit data.
  2. GPON protocol standard proposed by IEEE, EPON protocol standard proposed by ITU-T
  3. GPON manages ONUs using the extended OAM protocol
  4. GPON provides higher downstream bandwidth

Answer(s): D



In the H.248 protocol, the terminal can be set to detect events by programming. Once these events are detected, the MG sends a message to the MGC for reporting or the MG takes corresponding action.

  1. Modify
  2. ServiceChange
  3. Notify
  4. AuditCapabilities

Answer(s): C



Regarding EPON, which of the following descriptions is incorrect?

  1. The EPON standard is one of the many TDM-PON standards. It has the basic characteristics of the TDM-PON network: the tree topology network consists of three parts: the OLT, the ONU, and the ODN (Optical Distribution Network).
  2. On the logical topology, the EPON protocol establishes a logical link for the OLT to each ONU. The leading byte of the Ethernet data frame carries the logical link identifier, that is, LLID (Logical Link Identity).
  3. The downstream data stream from the OLT to the ONU is encapsulated into an Ethernet message, and the corresponding LLID is appended and transmitted in the tree PON network. The optical splitter in the ODN broadcasts the data stream to each branch, and all ONUs can receive the downlink Ethernet data frame and selectively receive its own data according to the LLID.
  4. From the ONU to the OLT in the uplink direction, each ONU uses the broadcast mode to share the uplink bandwidth.

Answer(s): D






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