Huawei H12-821_V1.0-ENU HCIP-Datacom-Core Technology V1.0 Online Training
Huawei H12-821_V1.0-ENU Online Training
The questions for H12-821_V1.0-ENU were last updated at Apr 22,2024.
- Exam Code: H12-821_V1.0-ENU
- Exam Name: HCIP-Datacom-Core Technology V1.0
- Certification Provider: Huawei
- Latest update: Apr 22,2024
About the description about the OSPF calculating the shortest path tree stage, which is the correct?
- A . The first stage calculates the Stub network segment, and the second stage calculates the router node and Transit network segment.
- B . The first stage calculates routing nodes and Transit network segments, and the second stage calculates Stub network segments.
- C . The first stage calculates the stub segment, and the second stage calculates the routing node.
- D . The first stage calculates the routing nodes, and the second stage calculates the Stub network segment.
Regarding the description of IGMP Snooping-working mechanism, which is the correct?
- A . The layer 2 switch establishes and maintains the PIM routing table on the layer 2 by continuously monitoring IGMP messages.
- B . When IGMP Snooping is not running, the multicast message will be broadcast on the second layer. After running IGMP Snooping, the message will no longer be broadcast on the second layer, but will be multicast on the second layer.
- C . If the host sends an IGMP leave message, the switch will add the host to the corresponding multicast table.
- D . If the host sends an IGMP host report message, the switch will delete the multicast entry corresponding to the hos.t
What is the minimum total length of the address in IS-IS Byte?
- A . 2
- B . 8
- C . 20
- D . 16
On the VRP platform, when we introduce OSPF routing to ISIS, if COST is not specified, the cost value will be set to 16 by default.
- A . True
- B . False
As shown in the figure, in a pure IPv6 environment, if you want to realize the communication between PC1 and PC2, which of the following groups of addresses can be configured on PC1 and P2 respectively?
- A . 2001:FDC:1/64 2001:FDC::2/64
- B . 2001:FDC::1/64 2001:FDC1::2/64
- C . FD00:1AC0:872E::1/64 FDO0:2BE1:2320::1/64
- D . FE80::1/64 FE80::2/64
The four routers run IS-S and have established adjacency. The area numbers and router levels are marked in the figure. Which of the following statements is correct?
- A . Both R2 and R3 will generate Level-1 LSPs with ATT set.
- B . R1 does not have the LSP generated by R4, so R1 can only communicate with R4 through the default route.
- C . Both R2 and R3 will generate LSPs of Level 1-2 with ATT set.
- D . R2 and R3 learn default routes from each other, and a routing loop occurs in the network.
A switch runs the RSTP protocol, and its related configuration information is shown in the figure. According to the command configuration, please point out that for Instance 1, the role of the switch is:
- A . Root switch
- B . Non-root switch
- C . Switch
- D . Can’t judge
The following is a partial configuration of a router. The correct description of this configuration is:
- A . The data packet whose source address is 1.1.1.1 matches the first ACL statement rule 0, and the matching rule is Allow.
- B . The data packet whose source address is 1.1.1.3 matches the third ACL statement rule 2, and the matching rule is Deny.
- C . The data packet whose source address is 1.1.1.4 matches the fourth ACL statement rule 3, and the matching rule is Allow.
- D . The data packet whose source address is 1.1.1.2 matches the second ACL statement rule 1, and the matching rule is Allow.
Which of the following statement about OSPF neighbor information is wrong?
- A . The router id of the neighbor is 2.2.2.2
- B . This router is the Master
- C . The address of DR is 10.1.1.1
- D . The router id of this router is 1.1.1.1
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