Huawei H12-831_V1.0-ENU

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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:

1. In the OSPF network shown in the figure, if the cost levels of the links are the same, load sharing is selected. If R1 turns on OSPF IP FRR, the main path for R1 to reach 10.0.3.3/32 is R1-R2-R3, and the backup path is R1-R4-R2-R3.

A) True
B) False

2. When VPN traffic is transmitted in a typical BGP/MPLS IP VPN network, it usually contains two layers of labels. Which of the following descriptions about these two layers of labels are wrong?
(Multiple choice)

A) The outer label is distributed by MP-BGP to guide the message to find the corresponding CE device on the remote PE device
B) The outer label is distributed by LDP. If the PHP function is enabled, the Egress PE can only see the inner label distributed by MP-BGP.
C) Both inner and outer labels are distributed by LDP for end-to-end delivery of VPN traffic.
D) The inner label is distributed by MP-BGP, and the peer CE device will pass the inner label to the local CE through the BGP Update message

3. When the switch is configured with port isolation function, by default, different hosts belonging to the same VLAN cannot communicate at layer 1 and layer 3.

A) True
B) False

4. An enterprise enables BFD for OSPF on Huawei devices to achieve sub-second convergence.
After enabling BFD, OSPF sessions begin to flap frequently. Which parameter should be adjusted first to improve stability?

A) OSPF interface cost
B) LSA refresh timer
C) OSPF area type
D) BFD detection multiplier or interval

5. In the OSPF network shown in the figure, the area numbers are marked in the figure, where area
1 is the Stub area, area 2 is the Totally Stub area, and area 3 is the NSSA area. By default, which of the following routers does not have a default route in its routing table?

A) R4
B) R6
C) R5
D) R3

Solutions: