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

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

1. In the N+1 backup network of WLAN, which of the following statements about the application of option43 is correct? (Multiple choice)

A) If the AC with the IP address advertised by option 43 does not respond to the AP, the AP will immediately fail to discover the AC
B) After configuring the option 43 field, the AP will only send unicast Discovery Request messages to the AC IP address advertised by option 43
C) The command to configure the IP addresses of the active AC and the standby AC in the option43 parameter field of the DHCP server is option43 sub-0ption 2 ip-address ip-address &<1-8>
D) To configure the option 43 field, you need to notify the AP of the IP addresses of its active AC and standby AC, and also need to notify the IP addresses of other active AC.

2. The ABR in the OSPF Totally Stub area does not flood Type 3, Type 4, and Type 5 LSAs into the area. Therefore, the ABR in the Totally Stub area needs to manually delegate a default route to the area to guide the data packets on how to reach the destination outside the AS.

A) TRUE
B) FALSE

3. If the Length/Type=O×8100 of an Ethernet data frame, which of the following options may the data frame be sent from? (Multiple choice)

A) Switch Hybrid: type of port
B) Switch Trunk type ports
C) Switch Access: Type of port
D) Serial interface of the router

4. Which of the following descriptions of OSPF's own anti-environment measures are correct? (Multiple choice)

A) ASBR is not allowed to exist in the OSPF backbone area
B) Routers in the same area calculate a loop-free shortest path tree with itself as the root based on LSDB.
C) Only one ABR is allowed between the OSPF backbone area and non-backbone area.
D) OSPF's LSA flooding has a maximum of 16 hops. If it exceeds 16 hops, the LSA will be discarded.
E) When OSPF divides areas, it stipulates that all non-backbone areas must be directly connected to the backbone area, and communications between non-backbone areas must pass through the backbone area.

5. 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 itself has no confirmation mechanism, so 0SPP relies on the lower layer protocol, namely TCP confirmation.
D) OSPF uses the Bellman-Ford algorithm, and each router runs the algorithm independently

Solutions: