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

1. It is necessary to elect a DR between multicast routers running PIM-SM to be responsible for sending and receiving multicast data at the source or member side. Which one of the following descriptions of the DR election rules is correct?

A) The PIM router with a small IP address is elected as the DR.
B) Compare the DR priority first; if the priority is the same, you need to compare the interface IP addresses of the PIM routers to elect the DR.
C) The PIM router with the long interface mask is elected as the DR.
D) The PIM router with the lower DR priority value is elected as the DR.

2. Regarding the processing mode of MPLS for TTL, which description is correct?

A) The TTL of the MPLS label has the same meaning as the TTL in the IP header, which can prevent the MPLS network from generating a routing loop
B) In MPLS VPN, if you want to hide the structure of the MPLS backbone network, you can use the uniform mode for Ingress packets for private network packets.
C) In Pipe mode, when an IP packet passes through the MPLS network, the IP TTL is decremented by 1 to the MPLS TTL field on the ingress node.
D) Uniform simulation, when the IP packet passes through the MPLS network, the IP TTL of the ingress node is decremented by 1, and the MPLS TTL field is a fixed value.

3. What parameters can the DHCPv6 server assign to the DHCPv6 client? (Multiple choice)

A) DNS server address
B) SNTP server address
C) IPv6 address prefix
D) Gateway address

4. Regarding the basic forwarding process of MPL S, which of the following statement is wrong?

A) By default, the Egress node that supports PHP has a label value of 3 assigned to the penultimate hop node.
B) When the IP packet enters the MPLS domain, check whether the Tunel ID value corresponding to the destination IP address is 0x0. If the Tunel ID value is 0x0, then enter the MPLS forwarding process.
C) The transmitting node device will replace the existing label on the top of the stack (the outermost label) with the label allocated by the next hop device.
D) When an IP packet enters the MPLS domain, the MPLS border device inserts a new label between the packet's Layer 2 header and the IP header.

5. The interface Serial0 of an existing router is in OSPF area 1, and the interface Serial0 is set to the Silent interface, so what effect does this setting have?

A) OSPF does not add routes learned from the interface to the local routing table.
B) OSPF will receive routing updates from neighbors
C) OSPF does not establish any adjacencies through the interface.
D) OSPF establishes available adjacencies through this interface.

Solutions: