Huawei H35-260 Exam Questions
HCSA-Field-Transmission & PTN V1.0 (Page 4 )

Updated On: 16-Feb-2026

Which of the following services can the EM20 support?

  1. 8 10GE+12 GE
  2. 20 GE/FE
  3. Otu1
  4. STM-16

Answer(s): A,B



Which of the following is impossible for the cause of the ETH_LOS alarm?

  1. The cable or fiber of the Ethernet port is not properly connected
  2. Cable or fiber failure
  3. The received optical power of the local network element is too low
  4. In-port loopback

Answer(s): D



The ETH_UWK_DOWN alarm indicates that the network port connection is faulty. The possible reasons do not include which of the following?

  1. The working modes of the sending and receiving ends are inconsistent
  2. Link failure
  3. Peer device failure
  4. There is no light received at the local end

Answer(s): D



IEEE 802.1Q defines the structure of VLAN tags, including TPID, PRI, CR, and VLAN ID. Which of the following is used to classify service priorities?

  1. VLAN ID
  2. CR
  3. PRI
  4. TPID

Answer(s): C



Which of the following services can IMA provide protection for?

  1. TDM business
  2. ATM Services
  3. E-Line Business
  4. E-LAN service

Answer(s): B






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