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Huawei H12-261_V3.0-ENU Exam Syllabus Topics:

Huawei HCIE-Routing & Switching (Written) V3.0 Sample Questions:

1. What is the value of OSPF and BFD linkage?

A) Through the BFD detected at the millisecond level, the OSPF status is associated to achieve the purpose of OSPF quickly sensing the link status
B) The hello sending interval of OSPF is at the second level, which is faster than the BFD sensing link state
C) The sending interval of BFD packets can reach the millisecond level, which is slower than the OSPF sensing link state
D) Any change in the BFD status will not affect the OSPF neighbor status

2. Which of the following statements about VXLAN is wrong?

A) VXLAN packets are forwarded by routing in the Underlay network, and the Underlay does not pay attention to the terminal MAC address of the inner data frame when forwarding
B) VXLAN uses MAC in UDP encapsulation to extend the Layer 2 network, encapsulating Ethernet packets on top of IP packets
C) When deploying VXLAN, in addition to the devices at both ends of the VXLAN tunnel that need to support VXLAN, the forwarding device in the middle must also support it, otherwise VXLAN packets cannot be forwarded normally
D) Introducing VXLAN technology into the campus network can realize Layer 2 and Layer 3 communication

3. When DLDP detects a unidirectional link on an interface, the default operations on Huawei devices include: DLDP switches to the interface to Disable state, generates a trap and sets the interface state to DLDP Down.

A) TRUE
B) FALSE

4. Which of the following statements about the VXLAN gateway are wrong?

A) The third layer gateway of VXLAN allows inter-subnet VXLAN communications and external network access.
B) The third layer gateway of VXLAN can be divided into centralized gateway and distributed gateway.
C) Layer 2 gateway is bound to the VPN instance.
D) The second layer gateway of VXLAN allows tenant access VXLAN VLAN and used to communicate between the subnets in the same VLAN.

5. As shown in the figure, three switches SW1, SW2 and SW3, where SW1 is the root bridge, the link between SW1 and SW2 is congested, and SW2 cannot receive the configuration BPDU sent by the root bridge. Which spanning tree protection mechanism does the administrator need to configure to prevent link congestion?

A) Root protection
B) BPDU protection
C) TC-BPDU protection
D) Loop protection

Solutions: