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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | Huawei Certified ICT Associate - Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Exam Format: | Single choice, Multiple choice |
| Related Certifications: | HCIE-Datacom HCIP-Datacom |
| Exam Price: | $200 USD (varies by region) |
| Available Languages: | Chinese, English |
| Real Exam Qty: | 60-70 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Passing Score: | 600/1000 |
| Recommended Training: | Huawei HCIA-Datacom Training Resources Huawei Learning Platform |
| Exam Registration: | Huawei Talent Certification Portal Pearson VUE Huawei Exams |
| 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 # 80
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 # 81
On the switched network shown in the figure, STP is enabled on all devices. SW1 is the root bridge. The port costs are shown in the figure. Other parameters retain the default values. After the network is stable, which of the following paths is used by SW2 to send traffic to SW5?
Answer: B
Explanation:
Spanning Tree Protocol eliminates Layer 2 forwarding loops by selecting a root bridge and determining the forwarding roles of switch interfaces.
In this topology, SW1 is the root bridge, so its root path cost is zero.
SW2 selects its direct connection to SW1 because the associated cost is lower than alternative paths through SW3 or SW4.
SW3 selects its direct connection to SW1, providing a root path cost of 10.
SW4 reaches the root most efficiently through SW3, with a total root path cost of 40.
SW5 selects its connection through SW4 because this provides a lower root path cost than the alternative through SW3.
The resulting forwarding tree establishes the path SW2 # SW1 # SW3 # SW4 # SW5.
Therefore, option C is correct.
NEW QUESTION # 82
With SNMP, an NMS can only display the device running status but cannot deliver configurations.
Answer: A
Explanation:
With SNMP (Simple Network Management Protocol), a Network Management System (NMS) can both monitor device status and configure settings on managed devices using SNMP Set commands.
NEW QUESTION # 83
In the figure, a web client sends an HTTP request to a web server, and the router in between performs operations on the HTTP request. Which of the following statements are false about the router's operations?
(Select all that apply)
Answer: A,B,C
Explanation:
A router works mainly at the network layer . When it receives a frame, it removes the Layer 2 header and trailer, examines the destination IP address in the Layer 3 header, consults the routing table, selects the outgoing interface, and then re-encapsulates the packet into a new Layer 2 frame for the next hop. Therefore, statement B is true and is not part of the answer.
Statement A is false because the router does not create a new destination IP address during normal forwarding. The source and destination IP addresses remain unchanged end to end unless special functions such as NAT are used. Statement C is false because routing-table lookup is based on the destination IP address, not on TCP or UDP port numbers. Statement D is also false because normal IP routing does not inspect application-layer content to determine the outgoing interface. That decision is made from the network- layer destination address and the routing table. This question tests the layered forwarding logic of routers in TCP/IP networks.
NEW QUESTION # 84
The rules in an ACL may overlap. If packets match the rules with loose conditions, the later ACL rules are not processed. In this case, packets cannot match the rules with strict conditions.
Therefore, the rules with strict conditions must be arranged in front lines and those with loose conditions must be arranged towards the end.
Answer: B
Explanation:
Access Control Lists (ACLs) are processed in sequential order, meaning that once a packet matches a rule, subsequent rules are ignored. To ensure that more specific (strict) conditions are applied, strict rules should be listed first, followed by loose rules.
NEW QUESTION # 85
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