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  1. Home
  2. Huawei
  3. H12-261

Huawei H12-261 Exam (page: 1)
Huawei HCIE-Routing & Switching (Written)
Updated on: 12-Feb-2026

Viewing Page 1 of 98
H12-261 PDF 483 Questions

Router HW1 is seeing a large number of Discard Eligible (DE) frames. In Frame-relay, as part of the Congestion-Control Mechanism, the DE bit works in conjunction with which of the following mechanisms?

  1. Differentiated Services Code Point (DSCP) settings
  2. Frame-relay Traffic Shaping (FRTS) settings
  3. Class-to-Service (CoS) settings
  4. Type-of-service (ToS) settings
  5. Forward Explicit Congestion Notification (FECN) of Backward Explicit Congestion Notification (BECN) settings

Answer(s): E



Which parameter will not be received from the root bridge by a non-root bridge running 802.1D STP?

  1. Forward delay
  2. Hello time
  3. Root cost
  4. Hold time
  5. Max Age

Answer(s): D



Which of the following are used in Ethernet networks? (Multiple Choice)

  1. 802.5 encapsulated frames
  2. 802.3 encapsulated frames
  3. CSMA/CD for media access
  4. Non Canonical format MAC addresses
  5. Canonical format MAC addresses

Answer(s): B,C,E



Which of the following statements is true about the port mirroring on Huawei devices?

  1. Huawei devices support port mirroring on the control traffic sent to the CPU
  2. Huawei devices support flow-based port mirroring. The mirrored traffic can be copied onto multiple observing ports
  3. Traffic in the RSPAN is transmitted to observing ports in multicast mode
  4. When the observing port becomes congested, mirrored packets cannot be discarded because these packets have higher priority than service traffic

Answer(s): A



If a Gigabit Ethernet port receive buffer becomes full on a LAN switch, what protocol can be used to request that the remote port delay sending frames for a specified time?

  1. 802.3AF
  2. 802.1D
  3. 802.3
  4. 802.3X E. 802.1U

Answer(s): D



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A and D are True
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