Free H35-210_V2.5 Exam Braindumps (page: 17)

Page 17 of 75

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

  1. message
  2. transaction
  3. Associated context
  4. command

Answer(s): D



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

  1. Both GPON and EPON use single-fiber bidirectional data transmission. EPON uses 1490nm downstream wavelength to transmit data, and GPON uses 1550nm downstream wavelength to transmit data.
  2. The GPON protocol standard was proposed by IEEE, and the EPON protocol standard was proposed by ITU-T
  3. GPON uses the extended OAM protocol to manage ONUs
  4. GPON provides higher downstream bandwidth

Answer(s): D



In the H.248 protocol, the terminal can be programmed to detect events. Once these events are detected, the MG will send a report to the MGC or the MG will take corresponding actions.

  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 many TDM-PON standards and has the basic characteristics of a TDM- PON network: a tree topology network is composed of OLT, ONU and ODN (Optical Distribution Network).
  2. In the logical topology, the EPON protocol establishes a logical link for the OLT to each ONU, and the leading byte of the Ethernet data frame carries the logical link identity, that is, LLID (Logical Link Identity).
  3. The downstream data stream from the OLT to the ONU is encapsulated as an Ethernet message, and the corresponding LLID is attached and sent 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 their own data according to the LLID.
  4. In the upstream direction from the ONU to the OLT, each ONU uses the broadcast mode to share the upstream bandwidth.

Answer(s): D



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bpras commented on September 29, 2023
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