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Huawei HCIP-Datacom-Core Technology V1.0 : H12-821_V1.0 Exam
- Exam Code: H12-821_V1.0
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Updated: Sep 26, 2026
- Q & A: 378 Questions and Answers
About Huawei HCIP-Datacom-Core Technology V1.0 : H12-821_V1.0 Exam Questions
Updated HCIP-Datacom-Core Technology V1.0 study material
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Huawei H12-821_V1.0 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Security | - Security Technologies
|
| Network Solutions | - Enterprise Network Solutions
|
| Ethernet Switching Technology | - Switching Fundamentals
|
| Network Reliability | - Reliability Technologies
|
| Multicast | - IP Multicast Technologies
|
| Routing and Traffic Control | - Traffic Management
|
| IS-IS | - IS-IS Fundamentals
|
| Routing Basics | - IP Routing Fundamentals
|
| Network Service and Management | - O&M Technologies
|
| BGP | - BGP Technologies
|
| OSPF | - OSPF Fundamentals
|
| IPv6 | - IPv6 Fundamentals
|
| WLAN | - Wireless Networking
|
Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions:
Question #1
Based on IGMP snooping, IGMP snooping proxy enables a switch to act as a substitute for an upstream Layer
3 device to send IGMP Query messages to downstream hosts, and also to act as a substitute for downstream hosts to send IGMP Report/Leave messages to an upstream device. As such, this function conserves bandwidth between the upstream device and the local device.
- A. TRUE
- B. FALSE
Correct Answer: A 🗳️
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Question #2
Compress the 2001:0DB8:0000:C030:0000:0000:09A0 address.
Reveal Solution Discussion 0Correct Answer:
2001:DB8:0:C030::9A0
Explanation:
To compress the IPv6 address 2001:0DB8:0000:C030:0000:0000:09A0, the following rules are applied:
* Remove leading zeros in each hextet (e.g., 0DB8 becomes DB8).
* Replace contiguous blocks of zeros with :: (only once in the address). Thus, the compressed form is
2001:DB8:0:C030::9A0 .
Question #3
During routine O & M , the administrator checks the IGMP configuration on a router interface. The configuration is as follows:
< RTA > display igmp interface
Interface information of VPN-Instance: public net
GigabitEthernet0/0/1(192.168.1.1):
IGMP is enabled
Current IGMP version is 2
IGMP state: up
IGMP group policy: none
IGMP limit: -
Value of query interval for IGMP (negotiated): -
Value of query interval for IGMP (configured): 60 s
Value of other querier timeout for IGMP: 0 s
Value of maximum query response time for IGMP: 10 s
Querier for IGMP: 192.168.1.1 (this router)
Given this, which of the following statements are true ?
- A. The maximum response time to Query messages is 10s.
- B. The IGMP version is IGMPv2.
- C. The IP address of the interface is 192.168.1.1.
- D. The interval for sending Group-Specific Query messages is 60s.
Correct Answer: A,B,C,D 🗳️
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Question #4
Typically, a protocol that occupies two ports during communication is called a multi-channel protocol.
For such protocols, the ASPF function must be enabled on the firewall to ensure smooth setup of the data channel and reduce the risk of attacks. Which of the following protocols is not a multi-channel protocol?
- A. FTP
- B. SMTP
- C. SIP
- D. H.323
Correct Answer: B 🗳️
Explanation: Only visible for DumpsActual members. You can sign-up / login (it's free).
Question #5
By default, a router interface sends PIM Hello messages at an interval of __________ seconds.
Reveal Solution Discussion 0Correct Answer:
30 seconds
Explanation:
By default, a router interface sends PIM (Protocol Independent Multicast) Hello messages every 30 seconds to maintain neighbor relationships. This interval can be adjusted using configuration commands .
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