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

1. On the network shown in the figure, EBGP peer relationships are established between neighboring routers through directly connected interfaces. The AS number is 6500X, where X is the number of the router. Both R1 and R4 have static routes to 192.168.1.0/24, which are imported to BGP through the import-route command.
By default, in the routing table of R3, which of the following is the AS_Path attribute carried in the route to 192.168.1.0/24?

A) 65006, 65005, 65004
B) 65002, 65001
C) 65006, 65005, 65004, 65001
D) 65002, 65005, 65004

2. To prevent attackers from forging BGP messages to attack devices, you can protect devices by configuring the GTS function to detect the range of TTL values in the IP message header. If a device is configured with "peer xxxx valid-ttl-hops 100", the valid range of TTL values of the detected messages is [155, 255].

A) False
B) True

3. The network administrator has deployed the DHCP snooping function on the access switch.
Which of the following solutions can be used to reduce the impact of attackers maliciously applying for IP addresses and causing DHCP Server denial of service? (Multiple choice)

A) Limit the number of MAC addresses learned by the switch interface through DHCP Snooping
B) Enable the device to generate static MAC entries for interfaces based on the DHCP Snooping binding table.
C) Configure DHCP Snooping to check the CHADDR field in the DHCP Request message
D) Set the interface on the switch that is connected to the legitimate DHCP server as a trusted interface

4. An enterprise enables BFD for OSPF on Huawei devices to achieve sub-second convergence.
After enabling BFD, OSPF sessions begin to flap frequently. Which parameter should be adjusted first to improve stability?

A) OSPF interface cost
B) BFD detection multiplier or interval
C) OSPF area type
D) LSA refresh timer

5. The Router ID of R4 is 10.0.4.4. In the LSDB of R4, the LSA shown in the figure is seen. The network engineer makes the following inferences based on the LSA. Which one is wrong?

A) R4 does not support importing external routes into OSPFv3
B) R4 is the DR on both links
C) R4 has two OSPFv3 neighbors
D) This LSA is generated by R4

Solutions: