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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

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

Question 1

On the network shown in the figure, an administrator first completes the routing configuration and then enables MPLS and LDP on R1, R2, and R3 and their interconnected interfaces. In this manner, traffic from PC1 to PC2 can be forwarded based on MPLS . Which of the following routing configurations can implement this function?

Options:

A. nginx
CopyEdit
R2
ospf 1
area 0
network 2.2.2.2 0.0.0.0
network 10.1.12.0 0.0.0.255
network 10.1.23.0 0.0.0.255
R3
ospf 1
area 0
network 3.3.3.3 0.0.0.0
network 10.1.23.0 0.0.0.255
bgp 65000
router-id 3.3.3.3
peer 1.1.1.1 as-number 65000
peer 1.1.1.1 connect-interface LoopBack 0
network 10.3.3.0 24
ip ip-prefix 1 index 10 permit 10.1.1.0 24
route recursive-lookup tunnel ip-prefix 1
B. nginx
CopyEdit
R1
bgp 65000
router-id 1.1.1.1
peer 3.3.3.3 as-number 65000
peer 3.3.3.3 connect-interface LoopBack 0
network 10.1.1.0 24
R3
bgp 65000
router-id 3.3.3.3
peer 1.1.1.1 as-number 65000
peer 1.1.1.1 connect-interface LoopBack 0
network 10.3.3.0 24
C. nginx
CopyEdit
R1
ospf 1
area 0
network 1.1.1.1 0.0.0.0
network 10.1.12.0 0.0.0.255
network 10.1.1.0 0.0.0.255
R2
ospf 1
area 0
network 2.2.2.2 0.0.0.0
network 10.1.12.0 0.0.0.255
network 10.1.23.0 0.0.0.255
R3
ospf 1
area 0
network 3.3.3.3 0.0.0.0
network 10.1.23.0 0.0.0.255
network 10.3.3.0 0.0.0.255
D. nginx
CopyEdit
R1
ospf 1
area 0
network 1.1.1.1 0.0.0.0
network 10.1.12.0 0.0.0.255
R2
ospf 1
area 0
network 2.2.2.2 0.0.0.0
network 10.1.12.0 0.0.0.255
network 10.1.23.0 0.0.0.255
R3
ospf 1
area 0
network 3.3.3.3 0.0.0.0
network 10.1.23.0 0.0.0.255

Question 2

The network administrator configures DHCP snooping on an access switch. Which of the following solutions can be used to reduce the impact of denial of service (DoS) on the DHCP server caused by malicious IP address requests of attackers?

A. Configure the switch interface connected to the authorized DHCP server as a trusted interface.
B. Enable the device to generate static MAC address entries for interfaces based on DHCP snooping binding entries.
C. Configure DHCP snooping to check the CHADDR field in DHCP request packets.
D. Configure DHCP snooping to limit the number of MAC addresses learned by interfaces on the switch.

Question 3

On the network shown in the figure, IS-IS runs on R1, R2, R4, and R5 , and the area ID is 49.0001 . IS-IS runs on R3 and R6 , and the area ID is 49.0002 . The import-route isis level-2 into level-1 command is configured on R2 .
In AS 65000 , R1, R3, R4, and R6 each establish iBGP peer relationships with R2 and R5 . R2 and R5 are Route Reflectors (RRs) , and R1, R4, R3, and R6 are clients .
An iBGP peer relationship is established between R2 and R5 , and the same cluster ID is configured. The iBGP peer relationships are established using Loopback0 . The IP address of Loopback0 on each router is 10.0.X.X/32, where X is the router number .
R1 and R4 import the external route 192.168.1.0/24 to BGP through the import-route command, and R3 and R6 import the external route 192.168.2.0/24 to BGP through the import-route command.

Which of the following statements are true ?

A. The BGP routing table of R2 contains three valid routes to 192.168.1.0/24 .
B. The BGP routing table of R3 contains one valid route to 192.168.2.0/24 .
C. The BGP routing table of R5 contains two valid routes to 192.168.1.0/24 .
D. The BGP routing table of R4 contains three valid routes to 192.168.2.0/24 .

Question 4

On the OSPF network shown in the figure, the cost values of links are marked. OSPF IP FRR is enabled on R1. The primary path from R1 to 10.0.3.3/32 is R1 - > R2 - > R3, and the backup path is R1 - > R4 - > R2 - > R3.

A. FALSE
B. TRUE

Question 5

VLAN aggregation uses multiple sub-VLANs to isolate broadcast domains on a physical network and aggregates these sub-VLANs into a logical super-VLAN. Which of the following statements is true about VLAN aggregation?

A. If different sub-VLANs belong to the same super-VLAN, hosts in these sub-VLANs can directly communicate at Layer 2.
B. If proxy ARP is enabled on the VLANIF interface corresponding to a super-VLAN, ARP entries can be generated to allow all sub-VLANs to communicate.
C. When configuring VLAN aggregation, you can configure VLAN 1 as a super-VLAN.
D. If a super-VLAN and the corresponding VLANIF interface are created on a core switch, the VLANIF interface goes Up as long as there is a physical interface in Up state on the core switch.

Solutions: