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Huawei H12-821_V1.0-ENU Exam Syllabus Topics:

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:

1. Routers R1 and R2 are directly connected through GigabitEthernet0/0/0 respectively, and try to establish an OSFP neighbor relationship, but the neighbor relationship has not been successfully established. The troubleshooting process is shown in the figure.


So which of the following operations can make R1 and R2 neighbor management established normally?

A) [Relintertace GigabitEthernet 0/0/0
[R2-GigabitErhernet0/0/0] ospf timer hello 20
B) [R2] ospf 1 [R2-ospf-1] area0
[R2-ospf=1-area-0,0.0.0lundotimer hello
C) [R2] ospf 1 [R2-0spf-1] ara0
[R2-ospf-1-area-0.0.0.0] timer hello 10
D) [R2] interface GigabitEthernet 0/0/0
[R2-GigabitEtherneto/0/0] undo ospf timer hello

2. In a network environment, there are both switches running RSTP and switches running SIP, then the phenomenon that will appear in this network is: (Multiple choice)

A) RSTP can interoperate with STP, but at this time RSTP advantages such as fast convergence are lost
B) If it is a Huawei switching device, the STP will switch to RSTP mode, and the switching device running RSTP can be configured to switch back to the RSTP working mode after the switching device is removed from the network.
C) If it is a Huawei switching device, RSTP will switch to STP mode. After the STP switching device is withdrawn from the network, the RSTP -running switching device can migrate back to the RSTP working mode
D) RSTP and STP are not interoperable and will perform independent operations

3. The advantage of IS-IS messages using the TLV structure is that it has better scalability. To add new features, you only need to add a new TLV, and there is no need to change the overall structure of the entire message.

A) TRUE
B) FALSE

4. What packet types does OSPF include? (Multiple choice)

A) Database Description
B) Link State DD
C) Link State Request
D) Hello

5. The four routers run IS-IS and have established adjacency. The area numbers and router levels are shown in the figure. Which of the following is correct?

A) The LSP of R4 does not exist in the LSDB of the R2 router
B) The LSP of R4 does not exist in the LSDB of router R1
C) The LSP of R3 does not exist in the LSDB of the R2 router
D) The LSP of R4 does not exist in the LSDB of R3 router

Solutions: