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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | Huawei Certified ICT Associate - Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Related Certifications: | HCIE-Datacom HCIP-Datacom |
| Passing Score: | 600/1000 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Exam Price: | $200 USD (varies by region) |
| Available Languages: | Chinese, English |
| Exam Format: | Multiple choice, Single choice |
| Real Exam Qty: | 60-70 |
| Recommended Training: | Huawei Learning Platform Huawei HCIA-Datacom Training Resources |
| Exam Registration: | Pearson VUE Huawei Exams Huawei Talent Certification Portal |
| Sample Questions: | Huawei H12-811_V2.0 Sample Questions |
| Exam Way: | Online proctored or authorized test center (Pearson VUE) |
| Pre Condition: | No strict prerequisites required; basic networking knowledge recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/ |
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NEW QUESTION # 11
Which of the following phases are required for establishing a connection between an SSH server and an SSH client? (Select all that apply)
Answer: A,B,C,D
Explanation:
The establishment of an SSH connection includes multiple mandatory phases that ensure both secure communication and authenticated access. First, the SSH client and server perform version negotiation to determine a mutually supported SSH protocol version. Then they carry out algorithm negotiation, during which they agree on the encryption algorithm, key exchange algorithm, integrity algorithm, and other security parameters to be used for the session.
After that, the peers perform key exchange, which is used to derive shared session keys securely over an insecure network. This stage is essential because it enables subsequent communication to be encrypted and protected against interception. Finally, once the secure channel has been established, user authentication is performed so that the server can verify the identity of the client user. This can be done using a password, public key, or other supported authentication method.
Therefore, all four options are required phases in the SSH connection establishment process.
HCIA-Datacom emphasizes these steps because SSH is a core secure management protocol used to replace insecure protocols such as Telnet and FTP in modern network operation and maintenance.
NEW QUESTION # 12
FTP allows users to remotely log in to a network device to manage configuration files (such as uploading and downloading files) and modify configurations (such as renaming the device and configuring an IP address).
Answer: A
Explanation:
FTP is used only for file transfer operations such as uploading and downloading configuration or software files. It does not provide remote command-line access for device management or allow direct configuration changes like renaming devices or configuring IP addresses. Those tasks require management protocols such as SSH or Telnet.
NEW QUESTION # 13
Which of the following descriptions regarding the TTL field of the IP packet is correct?
Answer: D
Explanation:
The Time to Live (TTL) field in an IP packet is decremented by 1 each time the packet passes through a router. When the TTL reaches zero, the packet is discarded to prevent it from circulating indefinitely.
NEW QUESTION # 14
Before calling a class from a third-party library in Python code, you must import relevant modules using import or from... import statements.
Answer: A
Explanation:
In Python, importing modules is not strictly required before calling a class only in all cases. While standard practice is to use import or from...import to access classes from third-party libraries, Python can still reference classes indirectly (for example through dynamic imports, exec, or prior namespace exposure). Therefore, the statement that it is mandatory in all cases is incorrect.
NEW QUESTION # 15
The following commands are configured on R1:
[R1] acl number 2001
[R1-acl-number-2001] rule permit source 172.16.105.0 0.0.0.255
[R1-acl-number-2001] rule deny source any
[R1-acl-number-2001] quit
[R1] ftp server acl 2001
According to the preceding configurations, only hosts with source IP addresses on network segment 172.16.105.0/24 cannot access the FTP service of R1.
Answer: A
Explanation:
The FTP server ACL applied on R1 is used to control which source IP addresses are allowed to access the FTP service. According to the ACL:
172.16.105.0/24 is explicitly permitted
all other IP addresses are denied due to "deny source any"
However, the ACL is applied as an FTP server ACL, meaning only the permitted subnet is allowed to access FTP, and all others are denied. Therefore, the statement is incorrect because it says only 172.16.105.0/24 cannot access FTP, while in fact this subnet is the one that is allowed.
NEW QUESTION # 16
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