Printable PDFHuawei H12-821 Exam Questions & Answers
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Vendor: Huawei
Exam Code: H12-821
Exam Name: HCIP-Datacom-Core Technology V1.0
Certification Provider: Huawei
Total Questions: 312 Q&A ( View Details)
Updated on: Jul 07, 2026
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H12-821 Online Practice Questions and Answers
To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.
A. TRUE
B. FALSE
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?
A. 802.11ac
B. 802.11n
C. 802.11ax
D. 802.11b
Which of the following statements about multicast packet forwarding is true?
A. If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.
B. IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
C. The source address of a multicast packet is a unicast address.
D. In multicast transmission, the destination address of a packet can be the unicast address of a host.
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