Free H31-311_V2.5 Exam Braindumps
HCIA-Transmission V2.5 Questions 41–45 (page: 10)

Updated On: 9-Feb-2026

Which of the following statements about extending the ECC is incorrect?

  1. Extended ECC is divided into Auto Extended ECC and Extended ECC in specified mode.
  2. Auto-expanding ECC means an Ethernet port that uses a pass-through cable to connect two network elements
  3. Extended ECC in specified mode indicates that a server and client need to be specified.
  4. You can enable auto-scaling ECC on up to four network elements. Under the Hand Extension
  5. C overlay, each server can link up to three clients.

Answer(s): D



Which of the following are communication quality alerts? (Multiple choice).

  1. Optical port loopback
  2. There is no login user
  3. NE communication in the
  4. Optical signal loss

Answer(s): C,D



Which of the following is not the northbound interface provided by the U2000?

  1. XML
  2. SNMP
  3. CORBA
  4. ox

Answer(s): D



Which of the following is not the advantage of WDM?

  1. Large capacity and transparent data transfer
  2. Easy to upgrade and maximize protection for existing investments
  3. gold replacement for SDH equipment
  4. Future compatible with all optical switching networks

Answer(s): C



On a Layer 2 switching device, if the Ethernet port is an Access port, the port can only receive Ethernet frames without a VLAN tag or Ethernet frames with the same VLAN ID as the default VLAN ID of the port.

  1. True
  2. False

Answer(s): B



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