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Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) 認定 H12-261-ENU 試験問題:

1. The SWA and SWB are connected by two physical Ethernet links.
The SWA has the following interface configurations:
[SWA]interface GigabitEthernet 1/0/1
[SWA-GigabitEthernet 1/0/1] port link-type trunk
[SWA-GigabitEthernet 1/0/1] port trunk allow-pass vlan 1 0 100
[SWA]interface GigabitEthernet 1/0/2
[SWA-GigabitEthernet 1/0/2] port link-type trunk
[SWA-GigabitEthernet 1/0/2] port trunk allow-pass vlan 1 10
These two links are aggregated
Assume that the configuration on the SMB is correct.
Which of the following statements are correct in view of this information? (Multiple Choice)

A) GigabitEthernet 1/0/1 and Gigabitethernet 1/0/2 can be added to the same LAG without changing the current configuration.
B) GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 can be added to the same LAG only after GigabitEthernet 1/0/2 is configured. Change to the same as GigabitEthernet1/0/1
C) GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 cannot be added to the same LAG because the allowed VLANs are different.
D) After the link aggregation is configured on the SWA and the SWB, if enabled MSTP, GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 will enter the Forwarding state in MSTP

2. In multicast network, what happens to multicast traffic that cannot be forwarded normally? (Multiple choice)

A) Multi-router exit network, this router is not DR
B) The upstream router discards the received PIM Join message.
C) The router does not have RPF routes.
D) PIM is not enabled on the RPF interface.

3. ISIS protocol is in broadcast network and P2P network, when the router receives the LSP, it needs to use PSNP to confirm and ensure the synchronization of the LSDB.

A) False
B) True

4. A bookstore provides a wired network for customers to learn online. However, some users are found unable to access the network one day. After checking, the IP resource of the DHCP address pool has been exhausted. Which of the following is the best way to solve the current problem?

A) Configure a static ARP binding table.
B) Configure IPSG
C) Limit the maximum number of DHCP snooping binding entries that an interface can learn.
D) Configure DAI

5. In the process of using the LACP protocol, which of the following descriptions are correct? (Multiple Choice)

A) You can configure the source IP address for load balancing in the enabled link aggregation group by using the following command: Interface eth-trunk 1 Load-balance src-dst-ip
B) You can remove a member interface in an enabled link aggregation group by using the following command: Interface GigabitEthernet0/0/1 Debug Interface GigabitEthernet0/0/1 Undo eth-trunk 1 interface GigabitEthernet0/0/1 Undo shutdown
C) You can add member interfaces to the link aggregation group enabled by the following command: Interface GigabitEthernet0/0/1 Debug Interface GigabitEthernet0/0/1 Trunkport GigabitEthernet0/0/1 Interface GigabitEthernet0/0/1 Undo shutdown
D) You can prevent the Eth-Trunk interface from frequently flapping due to physical link reasons. Interface eth-trunk 1 Lacp preempt enable Lacp preempt delay delay-time

質問と回答：