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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

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

1. An interface of a switch is in error-down state. A possible cause is that the average rate of broadcast packets received by the interface exceeds the upper threshold set by the administrator for storm control.

A) FALSE
B) TRUE

2. OSPF supports equal-cost load balancing. When the number of equal-cost routes on the network is greater than the number specified in the maximum load-balancing command and the candidate routes have the same priority (weight value), the routes with larger interface indexes are selected for load balancing.

A) FALSE
B) TRUE

3. In the BFD (Bidirectional Forwarding Detection) mechanism , two systems establish a BFD session and periodically send BFD control packets along the path between them. If one system does not receive BFD control packets within a specified period, the path is considered faulty .
Which of the following is NOT a possible cause of the BFD session down event?
Options:

A) The outbound interface bound to the single-hop BFD session is physically faulty.
B) Packets with UDP destination port 4784 are denied.
C) The remote and local discriminators of the BFD session do not match.
D) The BFD session names configured in the two systems are different.

4. MPLS determines the upstream and downstream relationships based on the data forwarding direction.
MPLS labeled packets are sent from upstream LSRs and received and processed by downstream LSRs.
Similarly, MPLS labels are distributed from upstream LSRs to downstream LSRs one by one.

A) FALSE
B) TRUE

5. Selective QinQ can add different outer tags to different inner packets. Which of the following statements is false about selective QinQ?

A) Selective QinQ can add different outer VLAN tags to packets based on 802.1p priorities in inner VLAN tags.
B) Selective QinQ can add different outer VLAN tags based on QoS policies.
C) Selective QinQ can add different outer VLAN tags to packets with different TTL values.
D) Selective QinQ can add different outer VLAN tags to packets with different inner VLAN IDs.

Solutions: