Huawei H12-821_V1.0-ENU HCIP-Datacom-Core Technology V1.0 Online Training
Huawei H12-821_V1.0-ENU Online Training
The questions for H12-821_V1.0-ENU were last updated at Apr 14,2025.
- Exam Code: H12-821_V1.0-ENU
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Certification Provider: Huawei
- Latest update: Apr 14,2025
When a stateful inspection firewall forwards subsequent data packets (not the first packet), which of the following is mainly based on?
- A . Route table
- B . OFIB table
- C . MAC address table
- D . Session table
ACL command ac1 [number] ac1-number [ match-order {autol config}], where ac1-numnbe is used to specify the number of the access control list, and the value range of ac1-number of the basic access control list is ().
- A . 1000~3999
- B . 0~1000
- C . 3000~3999
- D . 2000 ~2999
Which of the following tools cannot be directly referenced by the apply clause of a route-policy?
- A . IP-Prefix
- B . tag
- C . community
- D . origin
Regarding the default routes of each protocol, which of the following description is wrong?
- A . BGP can deliver default routes
- B . ISIS can issue default routes
- C . OSPF cannot deliver the default route
- D . Static default routing can be configured
In a broadcast network, what is the default interval for sending Hello by DIS?
- A . 5s
- B . 10s
- C . 40s
- D . 3.3s
Regarding LSA3, LSA4 and LSA5, which of the following description is correct?
- A . LSA5 will not change after passing through different areas, but LSA3 will change
- B . LSA3, LSA4 and LSA5 will not change after passing through different areas
- C . LSA3 will not change after passing through different areas, but LSA4 and LSA5 will change
- D . LSA4 will not change after passing through different areas, but LSA3 and LSA5 will change
Which of the following description about OSPF is correct?
- A . OSPF LSA is regularly updated every 30 minutes
- B . OSPF floods an LSU every 5s
- C . OSPF uses the Bellman-Ford algorithm, and each router runs the algorithm independently
- D . OSPF itself has no confirmation mechanism, so 0SPP relies on the lower layer protocol, namely TCP confirmation.
Among the matters needing attention in configuring the Stub area, the correct description is:
- A . The virtual connection can pass through the stub area
- B . If an area is configured as a Stub area, all routers in the area must be configured with Stub area attributes
- C . The backbone area can be configured as a stub area
- D . ASBR can exist in the Stub area
Which of the following scenarios is the SD-WAN solution suitable for?
- A . Enterprise branch interconnection
- B . Internal interconnection of enterprise data center network
- C . Enterprise campus wireless network deployment
Which of the following descriptions about OSPF route aggregation is incorrect?
- A . Any router in OSPF can perform route aggregation operations.
- B . OSPF has two route aggregation methods: ABR aggregation and ASBR aggregation
- C . Route aggregation refers to aggregating routing information with the same prefix and publishing only one route to other areas.
- D . Through route aggregation, routing information can be reduced, thereby reducing the size of the routing table and improving router performance.
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