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Huawei HCIE-Datacom V1.0 Sample Questions:

1. In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following command needs to be run on the VBDIF interface to enable the VTEP peer to generate BGP EVPN Type 2 routes based on ARP information of the local terminal?

A) mac-address xxxx-xxxx-xxxx
B) arp collect host enable
C) arp-proxy enable
D) arp distribute-gateway enable

2. In an MPLS VPN network, two-layer MPLS labels are added into data packets before they are transmitted over the public network. Which of the following statements regarding data packet processing are correct?

A) The penultimate-hop device receives a packet with an outer label.
B) The penultimate hop removes the outer label before forwarding the data packet to a peer egress PE.
C) The egress PE sends the data packet to the correct VPN based on the inner label.
D) The IP data packet received by egress LSR is without labels.

3. As shown in the figure, R1, R2, R3, and R4 reside in the same MPLS domain, and LDP (Label Distribution Protocol) is used to distribute MPLS labels.
R4 is the egress LSR (Label Switching Router) for the FEC (Forwarding Equivalence Class) 4.4.4.0/24.
To make R4 aware of QoS forwarding priority of a packet sent from R1 and destined for 4.4.4.0/24, Without looking up R4's label forwarding information base, The outgoing label of the FEC on R3 should be _____ (Enter an Arabic numeral without symbols).

4. Which of the following statements aboutBIER (Bit Index Explicit Replication) and PIM (Protocol Independent Multicast)are correct?

A) On a BIER-based multicast network, an MDT covering all nodes that multicast traffic traverses does not need to be established.
B) On a PIM-based multicast network, an MDT covering all nodes that multicast traffic traverses needs to be established.
C) On a BIER-based multicast network, multicast users must send group join messages hop by hop.
D) On a BIER-based multicast network, packets sent by the multicast source must be encapsulated with the Bitstring field.

5. During WLAN planning and design, channels 1, 6, and 11 are recommended on the 2.4 GHz frequency band, and channels 1, 5, 9, and 13 are recommended in high-density scenarios. On the 5 GHz frequency band, it is recommended thathigh-frequency and low-frequency channels of adjacent APs be staggered to prevent overlapping.

A) TRUE
B) FALSE

Solutions: