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Huawei H12-821_V1.0 Exam Syllabus Topics:

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

1. ACLs are a common tool for matching routes. ACLs are classified into multiple types based on ACL rule functions. An ACL can be identified by a number, and the number range for each type of ACLs is different.
Which of the following type of ACLs are numbered from 4000 to 4999?

A) Layer 2 ACL
B) Basic ACL
C) User-defined ACL
D) Advance ACL

2. OSPF routers exchange Hello packets to establish neighbor relationships. The Hello packet sending modes vary by network type. On which of the following types of networks are Hello packets multicast?

A) P2MP
B) P2P
C) Broadcast
D) NBMA

3. STP ensures a loop-free network but has a slow network topology convergence speed, affecting communication quality. RSTP has made some improvements based on STP. Which of the following improvements is not included?

A) RSTP deletes three port states and adds two port roles.
B) If a port does not receive configuration BPDUs from the upstream device within four Hello intervals, the switch considers that the negotiation with the neighbor fails.
C) RSTP reduces five port states to three port states based on user traffic forwarding and MAC address learning.
D) The non-root switch running RSTP sends configuration BPDUs at the interval specified by the Hello timer, which is performed independently by each device.

4. Which of the following statements regarding the MED value in BGP are true?

A) By default, BGP can compare the MED values of routes from different ASs.
B) The default MED value of BGP routes is 0.
C) According to BGP route selection rules, the MED value has a lower priority than AS_Path, Preferred- Value, Local-Preference, and Origin.
D) By default, if there is no MED value in routes, the value 0 is used. If the bestroute med-none-as- maximum command is configured, the maximum MED value 4294967295 is used.

5. Which of the following statements are true about the Local_Pref attribute in BGP? (Choose all that apply)

A) The default Local_Pref value is 0.
B) The greater the value of the Local_Pref attribute, the higher the priority.
C) The Local_Pref value remains unchanged during transmission unless it is affected by a routing policy.
D) The Local_Pref attribute can be transmitted to all BGP peers.

Solutions: