Download HCIP-Datacom-Core Technology V1-0.PassCert.H12-821.2022-10-25.1e.122q.vcex

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Exam HCIP-Datacom-Core Technology V1.0
Number H12-821
File Name HCIP-Datacom-Core Technology V1-0.PassCert.H12-821.2022-10-25.1e.122q.vcex
Size 3.34 Mb
Posted October 25, 2022
Downloads 13

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Demo Questions

Question 1
About the OSPF calculating the shortest path tree phase, which of the following description is true?

  • A: Stub network segment is calculated in the first stage, router node and transit network segment arecalculated in the second stage
  • B: The routing node and Transiti network segment are calculated in the first stage, Stub network segmentis calculated in the second stage
  • C: The Stub segment is calculated in the first stage, the routing node is calculated in the second stage
  • D: The routing node is calculated in the first stage, the stub network segment is calculated in the secondstage



Question 2
About the description of IGMP Snooping working mechanism, which of the following statement is true?

  • A: The Layer 2 switch establishes and maintains the PIM routing table at Layer 2 by continuously monitoring IGMP messages
  • B: When IGMP Snooping is not running, multicast messages will be broadcast on the layer 2. After IGMP Snooping is running, the messages will no longer be broadcast on the layer 2, but will be multicast on the layer 2.
  • C: If the host sends an IGMP leave message, the switch will add the host to the corresponding multicast table
  • D: If a host sends an IGMP host report message, the switch will delete the multicast entry corresponding to the host



Question 3
BGPAS_PATH property is a selectable transition property.

  • A: True
  • B: False



Question 4
As shown in the figure, the data traffic before roaming is forwarding as the STA-HAP- upper network, and the forwarding method is direct forwarding, and the home agent is configured on the AP. After three-layer roaming, what is the direction of data forwarding traffic?

   

  • A: STA-FAP-FAC-HAC-HAP- upper network
  • B: STA-FAP-FAC-HAC- Upper Network
  • C: STA-FAP-FAC- Upper Network
  • D: STA-FAP-FAC-HAC-HAP-HAC- upper network



Question 5
A router is running the IS-IS, the output information shown in FIG, which of the following statements is incorrect?

   

  • A: The System-ID of the neighbor router is 0002.0200.2002
  • B: This router is DIS
  • C: The area code of this router is 49.0001
  • D: System-lD of this router is 0100.0000.1001



Question 6
As shown in the figure below, the firewall received the message from PC1 to PC2, which of the following statement is true?

   

  • A: The message cannot match the security policies rule1 and rule2, it will match the default policy of the firewall, and the firewall will forward the message
  • B: The default security policy of the firewall is to match all, and the action is to deny
  • C: The message will match the new security strategy rule2, and the firewall will forward the message
  • D: The message will match the security policy rule 1



Question 7
As shown is an IP packet header, which of the following statement is true?

   

  • A: The protocol number is 51, which means that the packet after the IP Header is the AH header
  • B: The packet must be an IPsec VPN packet installed only with AH
  • C: The protocol number 51, which means that the message after the IP Header is the ESP header
  • D: The message is a lpsec VPN message, and the data part of the message is encrypted



Question 8
The four routers are running IS-S and have established adjacency. The area number and router level are marked as shown in the figure. What is the cost value from R4 to 10.0.2.2/32?

   

  • A: 40
  • B: 10
  • C: 20
  • D: 30



Question 9
The following is part of the output information of the router RTB. Which of the following regarding the description of the output information is false?

   

  • A: The last host sending the Report message is 225.1.1.2
  • B: The number of dynamically joined multicast groups on the interface is 1
  • C: The display igmp group command is used to view the IGMP multicast information, including the multicast group information dynamically joined through the member report and the multicast group information statically joined through the command line
  • D: The multicast address to join is 255.1.1.2



Question 10
Regarding the special area of OSPF, which of the following description of is incorrect?

  • A: The Totally Stub Area allows the ABR to advertise the default Type 3 LSA, but does not accept the Type 5 LSA and the refined Type 3 LSA
  • B: The NSSA Area is different from the Stub area because this area allows the import of autonomous system external routes, and the ABR advertises LSA7 notifications to this area.
  • C: The difference between the Stub area and the Totally stub area is that the stub area allows detailed routing information between areas
  • D: The difference between a Totally Stub area and an NSSA area is that the Totally Stub area does not accept inter-area routing information.






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