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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Core Technology V1.0 |
| Exam Number: | H12-821_V1.0 |
| Passing Score: | 600/1000 |
| Real Exam Qty: | 60-70 |
| Exam Format: | True or false, Multiple-answer questions, Drag and drop, Single-answer questions, Short response |
| Certificate Validity Period: | 3 years |
| Related Certifications: | HCIE-Datacom HCIP-Datacom Certification HCIA-Datacom |
| Available Languages: | Chinese, English |
| Exam Price: | USD180 |
| Exam Duration: | 90 minutes |
| Sample Questions: | Huawei H12-821_V1.0 Sample Questions |
| Exam Way: | Pearson VUE test center or online proctored written examination |
| Pre Condition: | Huawei recommends having HCIA-Datacom level knowledge before taking this exam. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/ |
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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) certification exam is designed for individuals who wish to become proficient in datacom core network technologies. HCIP-Datacom-Core Technology V1.0 certification exam is part of the Huawei HCIP-Datacom certification track and is a prerequisite for the HCIE-Datacom certification. H12-821_V1.0 Exam Tests the candidate's knowledge and skills in various areas such as network architecture, advanced routing protocols, MPLS VPN, and network security.
NEW QUESTION # 12
In the PIM router, the (S, G) routing table entry guides packet forwarding. If the received multicast packet does not exist in the (S, G) routing table entry, which of the following table entries will be used to create it?
Answer: B
NEW QUESTION # 13
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?
Answer: C
NEW QUESTION # 14
On a network, each router has a local core routing table and protocol routing tables. A routing entry in the local core routing table has multiple key fields.
Which of the following are included?
Answer: A,C,D
NEW QUESTION # 15
To prevent the system from misjudging roaming with the same VLAN ID but in different subnets as Layer 2 roaming, you need to use the roaming domain to determine whether the devices are in the same subnet. If they are the same, it is Layer 2 roaming, and vice versa. layer roaming.
Answer: B
NEW QUESTION # 16
On an STP network, the root bridge, root port, and designated port are elected in sequence. The election rules of these ports are different. List the steps for electing the root port in sequence.
Answer:
Explanation:
Explanation of Root Port Election in STP:
In a Spanning Tree Protocol (STP) network, the Root Port is selected on each switch (except the Root Bridge). The Root Port is the port with the lowest path cost to the Root Bridge. If there is a tie in path cost, the following criteria are used in sequence to break the tie:
Steps for Root Port Election in Sequence:
* RPC Comparison (Root Path Cost):
* The port with the lowest Root Path Cost is preferred.
* Root Path Cost is the cumulative cost of the path to the Root Bridge.
* Peer BID (Bridge ID) Comparison:
* If the Root Path Costs are equal, the Bridge ID of the connected switch (peer) is compared.
* The port connecting to the switch with the lower Bridge ID is preferred.
* Peer PID (Port ID) Comparison:
* If the Bridge IDs are equal, the Port ID of the peer's sending port is compared.
* The port connecting to the lower Port ID is preferred.
* Local PID (Port ID) Comparison:
* If all else is equal, the Local Port ID of the switch is used.
* The port with the lower Local Port ID is selected.
NEW QUESTION # 17
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