Huawei H12-891_V1.0

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Huawei H12-891_V1.0 Exam Syllabus Topics:

Huawei HCIE-Datacom V1.0 Sample Questions:

1. Which of the following statements is incorrect about Authentication Header (AH)?

A) AH provides packet encryption.
B) AH provides anti-replay protection.
C) AH provides data integrity authentication.
D) AH provides data origin authentication.

2. Exhibit:

A loop occurs because Spanning Tree Protocol (STP) is not enabled on the network. Which of the following symptoms may occur?

A) CPU usage is too high.
B) Host receives a large number of broadcast packets.
C) A loop alarm is generated on the LAN switch.
D) MAC entries flap.

3. On a campus network, which of the following problems may occur when you manually create a static VXLAN tunnel?

A) Remote MAC addresses can be learned by the VTEP only through data flooding.
B) Although the static VXLAN tunnel mode supports the distributed gateway scenario, the configuration involves a heavy workload and is complex to adjust.
C) If N devices need to establish static VXLAN tunnels, a maximum of N(N -1)/2 tunnels need to be manually configured, which involves a heavy workload.
D) A static VXLAN tunnel also uses corresponding protocols on the control plane, which consumes device resources.

4. A network administrator needs to retrieve a token ID from iMaster NCE using the following Python code:
import requests
nbi_name = "[email protected]"
nbi_pwd = "qqcOVcVel@"
host = "139.9.213.72"
port = "18002"
URI = "/controller/v2/tokens"
post_token_url = "https://" + host + ":" + port + URI
headers_post = {'Content-Type': 'application/json', 'Accept': 'application/json'} r = requests.post(post_token_url, headers=headers_post, json={"userName": nbi_name, "password": nbi_pwd}, verify=incorrect) Which of the following statements is incorrect?

A) You can run print(r.json()) to display the response message sent from the server.
B) Token resources are located at https://139.9.213.72:18002/controller/v2/tokens.
C) The request body is in JSON format.
D) The HTTP request uses the GET method to query the token value.

5. NETCONF uses an XML-based encoding format. NETCONF uses text files to represent complex hierarchical data. Which of the following statements are correct about the following XML file?
<?xml version="1.0" encoding="UTF-8"?>
<note>
<to>Learners</to>
<from>Huawei</from>
<heading>Reminder</heading>
<body>Don't forget Reading!</body>
</note>

A) ?>: indicates the end of an instruction.
B) encoding: indicates the character set encoding format. Currently, only UTF-8 encoding is supported.
C) /: indicates the end of the current tag.
D) <?: indicates the start of an instruction.

Solutions: