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

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

1. When configuring BGP, if such an alarm is generated: "BGPI6ESTABLISHED:OID[oid] The BGP FSM enters the Establishedstate , which of the following description is correct?

A) Explain that there is a problem in the negotiation of OPEN packets between BGP neighbors
B) Indicates that the BGP neighbor has been established
C) Explain that such alarms are generated due to TCP problems
D) The warning message is abnormal and must be dealt with

2. In WLAN networking, backup technologies can be deployed to ensure the reliability of the networking.
Which of the following statements about backup technology is correct? (Multiple choice)

A) After deploying VRP hot backup, when the active AC fails, STA can forward data directly through the standby AC
B) After deploying dual-link hot backup, when the active AC fails, the AP can quickly switch to the standby AC, and the STA does not need to disconnect and reconnect
C) After deploying dual-link cold backup, when the active AC fails, the AP only needs to wait for a period of time before switching to the standby AC, which will not affect the STA business
D) After N+1 backup is deployed, when the active AC fails, the AP needs to go online to the standby AC again, and the STA will interrupt the service

3. In MSTP, CIST and MSTI are both calculated based on priority vectors. Which of the following descriptions of priority vectors is wrong?

A) The domain root ID is used to select the domain root in MSTI.
B) The Priority in the root switch device ID is the priority of MSTI 0
C) The internal path cost refers to the path cost from this bridge to the main root.
D) The root switching device ID is used to select the root switching device in CIST.

4. When performing source NAT configuration and having no-pat configuration parameters, which of the following statements is correct?

A) Only the destination IP address is translated
B) Perform destination IP address and destination port translation
C) Only source IP address translation is performed
D) Simultaneous source IP address and source port translation

5. The Huawei CloudCampus solution supports the Free Mobility function. Which of the following descriptions about the Free Mobility function is correct? (Multiple choice)

A) The controller is not only the authentication center in the campus network, but also the management center of business policies
B) The administrator can uniformly manage the entire network policy on the controller and execute the business policy on the device
C) The administrator does not need to pay attention to the user's IP address when configuring the policy
D) In the free mobility solution, the administrator does not need to repeat the configuration for each device

Solutions: