受信任的Huawei H12-821_V1.0:HCIP-Datacom-Core Technology V1.0 PDF - 最新的NewDumps H12-821_V1.0證照指南你已經看到NewDumps Huawei的H12-821_V1.0考試認證培訓資料,是時候做出選擇了,你甚至可以選擇其他的產品,不過你要知道我們NewDumps帶給你的無限大的利益,也只有NewDumps能給你100%保證成功,NewDumps能讓你有個美好的前程,讓你以後在IT行業有更寬廣的道路可以走,高效率的工作在資訊技術領域。 最新的 HCIP-Datacom H12-821_V1.0 免費考試真題 (Q517-Q522):問題 #517
Which layer of the OSI model does the BGP protocol run on?
A. Network layer
B. Application layer
C. Data link layer
D. Session layer
答案:B
問題 #518
There are many timers in Portal authentication.
Which of the following timers can be used to prevent DoS attacks?
A. Built-in Portal server heartbeat detection timer
B. User silent timer
C. Portal server detection timer
D. User offline retransmission timer
答案:C
問題 #519
Which of the following statements are true about IP multicast service models?
A. In the SSM model, different multicast applications on the same source can use the same SSM group.
B. In the ASM model, an ASM group can be used by only one multicast application.
C. Multicast service models differ for receiver hosts but do not affect multicast sources.
D. In the SSM model, an (S, G) entry is generated for each source-group pair.
答案:C,D
問題 #520
Depending on the degree of control over the multicast source, IP multicast is divided into which of the following models? (Multiple choice)
A. SFM
B. SSM
C. ASM
D. ATM
答案:B,C
問題 #521
Which of the following values is the Reserved/Circuit Type field in the IIH packets sent by a Level-1-2 router on an IS-IS network?
A. 0
B. 1
C. 01
D. 00
答案:B
解題說明:
Comprehensive and Detailed In-Depth Explanation:
* Intermediate System to Intermediate System (IS-IS) routers send IS-to-IS Hello (IIH) packets to establish neighbor relationships.
* The Reserved/Circuit Type field in IIH packets indicates which level of IS-IS adjacency the router is trying to establish:
* 00 # Level-0 (Not used in IS-IS).
* 01 # Level-1 router.
* 10 # Level-2 router.
* 11 # Level-1-2 router (Both levels supported).
* Since the question asks for the field value in an L1-L2 router's IIH packets, the correct answer is 11 (B).
# Reference: Huawei HCIA-Datacom Study Guide, IS-IS Neighbor Discovery and IIH Packet Format.
問題 #522
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