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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Related Certifications: | HCIP-Datacom HCIE-Datacom |
| Real Exam Qty: | 60 |
| Exam Price: | 200 USD |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600/1000 |
| Exam Format: | Single-answer Question, Short Response Item, Multiple-answer Question, Drag and Drop Item, True or False |
| Recommended Training: | Huawei HCIA-Datacom Training Course |
| Exam Registration: | Huawei Official Certification Pearson VUE Registration |
| Sample Questions: | Huawei H12-811_V2.0 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites |
| Official Syllabus URL: | https://e.huawei.com/en/training/certification/exam/h12-811_v2.0 |
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NEW QUESTION # 48
What is the main function of the DNS protocol?
Answer: D
Explanation:
DNS (Domain Name System) is responsible for translating human-readable domain names (like www.example.com) into IP addresses, enabling devices to locate services on a network.
NEW QUESTION # 49
After an Eth-Trunk in LACP mode is created, devices on both ends send LACPDUs to elect the Actor. Which of the following parameters in LACPDUs determine the Actor election?
Answer: A,B,C
Explanation:
In LACP (Link Aggregation Control Protocol), the Actor is elected based on device priority, interface priority, and MAC address. These parameters ensure consistency and determine the active links within the aggregated trunk. The interface number alone is not a determining factor.
NEW QUESTION # 50
Which of the following DHCPv4 messages are sent by a DHCPv4 server?
Answer: A,C
Explanation:
The normal DHCPv4 address-allocation exchange is commonly summarized as DORA: Discover, Offer, Request, and Acknowledge. A DHCP client that needs configuration begins by sending DHCPDISCOVER to locate available DHCP servers. A server responds with DHCPOFFER, proposing an address and other parameters. The client then sends DHCPREQUEST to indicate the offered address and server it has selected.
Finally, the selected DHCP server sends DHCPACK to confirm the lease and deliver the final configuration.
Therefore, DHCPDISCOVER and DHCPREQUEST are client-originated messages in the standard allocation process, while DHCPOFFER and DHCPACK are server-originated messages. DHCP also defines other messages for lease renewal, decline, release, and negative acknowledgment, but those are not among the answer choices. For the options provided, A, DHCPACK, and D, DHCP OFFER, are the messages sent by a DHCPv4 server. The verified answer is A and D. This server-versus-client message direction is fundamental when interpreting DHCP packet captures and troubleshooting address-allocation failures on enterprise campus access networks.
NEW QUESTION # 51
Which of the following fields are included in an MPLS header?
Answer: A,B,C
Explanation:
An MPLS (Multiprotocol Label Switching) header includes the following fields:
Label: Identifies the MPLS path.
TTL (Time to Live): Limits the lifetime of the MPLS packet.
EXP (Experimental): Used for QoS marking. The Tos (Type of Service) field is part of the IP header, not MPLS.
NEW QUESTION # 52
You define the following function in Python: def add(a, b, c):
return a + b + c. You then add the following code. To ensure that the code is correctly executed, sort the following statements in sequence.
Answer:
Explanation:
Explanation:
1) a = 3; 2) b = a + 3; 3) c = a + b; 4) print(add(a, b, c))
The statements must be executed in dependency order. The function add(a, b, c) can be called only after values have been assigned to the variables that are passed as its three arguments. First, a must be set to 3. The next statement, b = a + 3, depends on a already existing, so it must follow the assignment to a. The statement c = a + b depends on both a and b, so it must be executed after b has been calculated. Finally, print(add(a, b, c)) can run only after a, b, and c all have valid values. With this order, a equals 3, b equals 6, and c equals 9.
The function therefore returns 3 + 6 + 9, and print displays 18. Executing the statements in another order would attempt to reference an undefined variable and raise a NameError. The correct sequence is: a = 3, b = a
+ 3, c = a + b, then print(add(a, b, c)).
NEW QUESTION # 53
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