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Huawei Updated H12-821_V1.0 Exam Questions and Answers by adelina

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Huawei H12-821_V1.0 Exam Overview :

Exam Name: HCIP-Datacom-Core Technology V1.0
Exam Code: H12-821_V1.0 Dumps
Vendor: Huawei Certification: HCIP-Datacom
Questions: 299 Q&A's Shared By: adelina
Question 28

On an RSTP network, port priorities may be compared during root port or designated port election. Which of the following values is the default priority of a port on a Huawei switch?

Options:

A.

1

B.

128

C.

4096

D.

32768

Discussion
Question 29

As a next-generation wireless technology, Wi-Fi 6 greatly improves bandwidth rate and performance. Which of the following statements is false about the features of Wi-Fi 6?

Options:

A.

Uses OFDMA technology to achieve high concurrency.

B.

Realizes zero latency, ensuring efficient service running.

C.

Provides high bandwidth, up to 9.6 Gbps.

D.

Uses TWT technology to reduce terminal power consumption.

Discussion
Question 30

Which of the following statements regarding the LSA age field are true?

Options:

A.

The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.

B.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.

C.

The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.

D.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.

Discussion
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Question 31

GRE is a VPN encapsulation technology that is widely used to transmit packets across heterogeneous networks. Which of the following statements is false about GRE?

Options:

A.

GRE supports encryption and authentication.

B.

GRE supports multicast transmission.

C.

GRE is a Layer 3 VPN encapsulation technology.

D.

GRE can work with other VPN protocols to better ensure data security.

Discussion
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