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

1. A message with a destination IP address of 4.4.4.4 forwarded by R1 is transmitted in an MPLS network. Part of the LSP information of R3 is shown in the figure. Which of the following devices will perform MPLS label operations during the transmission of the message? (Multiple choice)

A) R4
B) R1
C) R3
D) R2

2. In the network shown in the figure, OSPF protocol runs between R1, R2, and R3. IBGP neighbor relationship is established between R1 and R3 using loopback interface, and BFD function is enabled in BGP process. BFD parameters are "bfd min-tx-interval 1000 min-rx-interval 1000 detect-maltiplier6". If OSPF is disabled on GE0/0/1 interface of R2 through "undo network xxxx yyyy" command, and BGP neighbor relationship is checked on R1, by default, the longest time for R1 BGP neighbor relationship to change from up state to down state is which of the following?

A) 60s
B) 6s
C) 40s
D) 180s

3. LSR (Label Switching Router) discovers LDP peers through the LDP discovery mechanism and establishes LDP sessions. Which of the following descriptions of LDP sessions are correct?
(Multiple choice)

A) LSR discovers LDP peers by sending multicast or unicast Hello messages
B) LSR sends Hello message based on UDP
C) LSR can establish a local LDP session or a remote LDP session based on the LDP discovery mechanism
D) The LSR with a larger transmission address actively initiates the establishment of a TCP link

4. When an IP packet passes through an MPLS network, an MPLS device processes the TTL value in the packet.
If the pipe mode is used in the topology shown in the figure, which of the following is the TTL value in the IP packet?

A) 254 253 252
B) 255 255 254
C) 255 254 252
D) 254 254 253

5. With the increase of business traffic, an enterprise needs to expand the backbone network transmission bandwidth. Which of the following methods can best meet this demand?

A) Increase the number of interconnected links between backbone network devices and deploy link aggregation between backbone network devices
B) Increase the number of tunnels between backbone network devices and enable HSB protection for these tunnels
C) Add a high-performance forwarding switch and connect the ports that were originally directly connected to the backbone network to the same switch.
D) Modify the routing protocol related to the network layer and change the number of paths for routing protocol load sharing to the maximum value

Solutions: