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

2. Which of the following attack methods are fragmented packet attacks? (Multiple choice)

A) Huge number of fragment attacks
B) UDP Floodi attacks
C) Tear Drop: Attack
D) Smurf attack
E) Huge offset attack
F) Syndropl attack

3. A certain router runs IS-IS, and its output information is shown in the figure. Which of the following statements is wrong?

A) The area code of this router is 49.0001
B) The Router System-lD is 0100.0000.1001
C) This router is DIS
D) The System-ID of the neighbor router is 0002.0200.2002

4. BFD determines whether a fault has occurred by periodically detecting packets. It is a fast fault detection mechanism that relies on routing protocols.

A) FALSE
B) TRUE

5. When encountering network failures, engineers often use a layered troubleshooting approach.
Because all models follow the same basic premise, a model's higher-level structures can only work properly when all of its lower-level structures work properly. Please match the following inspection items with the corresponding levels according to the hierarchical method. Whether the TCP connection is established correctly, whether the port is open, etc., whether the interface protocol is UP, whether layer 2 addressing is normal, etc., whether the physical status of the interface, cables and connectors, etc. are UP, etc., whether the routing protocol is working normally, etc.

Solutions: