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Huawei HCIP-Datacom Sample Questions:

1. Regarding the description of the encapsulation format of labels in MPLS, which of the following is correct? (Multiple choice)

A) The TTL field in the label and the TTL (Time To Live) in the IP packet.
B) S field in the label is 1bit
C) The total length of a single MPLS label is 4 bytes (32bits)
D) For the packets of Ethernet and PPP, the label stack is located between the Layer 2 header and the data like the 'cushion layer': when there is a VLAN tag, the MPLS header is placed between the Ethernet header and the VLAN tag

2. Regarding multi-instance MCE (Mlulti-VPN-Instance CE, MCE), which of the following descriptions is wrong?

A) There must be multiple physical links between MCE and PE to achieve isolation between different VPIN instances
B) Users who are connected to the same MCE but do not belong to a VPN instance cannot access each other
C) Devices with MCE function can access multiple VPN instances in BGP MPLS IP VPN applications, reducing the investment in user network equipment
D) On the MCE device, you need to create their own routing and forwarding tables for different VPNs and bind them to the correct interface

3. A campus has deployed IPv6 for service testing. There are 4 routers in the network, running OSPFV3 to realize the interconnection of IPv6 networks. As shown in the figure, an engineer checked the LSDB of R2 and intercepted one of the Link-LSAs.

Which of the following statements about the description of LSA is true? (Multiple choice)

A) The router that generated this LSA is R2
B) The LSA shows that R2 does not support external routing, but participates in IPv6 routing calculation
C) The link-local address of R2 interface GE0/0/0 is: FE80
D) The address prefix of the R2 interface GE0/0/0 IPv6 is 2001

4. What are the situations in which packet loss may occur? (Multiple choice)

A) Packet loss occurs during transmission
B) Packet loss occurs during reception
C) It may be because the CPU is busy and cannot process packets, resulting in packet loss
D) Packet loss occurs in the queue

5. As shown in the figure, Client1 and Client2 serve as clients of RR1 and RR2 at the same time. RR1 and RR2 are in the same Cluster, and R1 has entered 10 routes. It is assumed that BGP is configured correctly.

All neighbor relationships have been established. How many routing entries exist in the BGP routing table of Client2?

A) 0
B) 20
C) 15
D) 10

Solutions: