Huawei HCIP-Datacom-Core Technology V1.0 - H12-821_V1.0 FREE EXAM DUMPS QUESTIONS & ANSWERS
A large shopping mall configures a VLAN pool to prevent network performance deterioration caused by potentially large broadcast domains. A network engineer runs the display vlan pool name STA command to check information about the VLAN pool. The following command output is displayed:
< AC > display vlan pool name STA Name : STA Total : 2 Assignment: hash Threshold Notify Count: 3 Threshold Notify time(min): 3 VLAN ID : 2 4 Which of the following statements are true?
< AC > display vlan pool name STA Name : STA Total : 2 Assignment: hash Threshold Notify Count: 3 Threshold Notify time(min): 3 VLAN ID : 2 4 Which of the following statements are true?
Correct Answer: A,D
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VRRP defines three states. Only the device in which state can forward packets destined for a virtual IP address?
(Write in full and capitalize the first letter.)
(Write in full and capitalize the first letter.)
Correct Answer:
Master
Explanation:
VRRP defines the following states:
* Initialize - The router is starting up or has not joined a VRRP group.
* Backup - The router is in standby and monitors the Master.
* Master - The only state where the device forwards traffic for the virtual IP address .
Only the router in the Master state owns the virtual MAC and responds to ARP for the virtual IP.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"In VRRP, only the Master forwards packets destined for the virtual IP address. Backup routers take over only if the Master fails." (Chapter: VRRP Concepts - Section: State Roles and Transitions)
Explanation:
VRRP defines the following states:
* Initialize - The router is starting up or has not joined a VRRP group.
* Backup - The router is in standby and monitors the Master.
* Master - The only state where the device forwards traffic for the virtual IP address .
Only the router in the Master state owns the virtual MAC and responds to ARP for the virtual IP.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"In VRRP, only the Master forwards packets destined for the virtual IP address. Backup routers take over only if the Master fails." (Chapter: VRRP Concepts - Section: State Roles and Transitions)
The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.
Correct Answer: A
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When deploying a VRRP network, an enterprise administrator sets the virtual IP address to
192.168.1.254 and VRID to 1. Which of the following is the virtual MAC address after the network becomes stable?
192.168.1.254 and VRID to 1. Which of the following is the virtual MAC address after the network becomes stable?
Correct Answer: A
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On an OSPF network, if a router functions as an ABR, the router must also be a BR.
Correct Answer: A
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The native AC function allows an agile switch to integrate AC capabilities, achieving wired and wireless convergence. The agile switch centrally manages wired and wireless service traffic.
Correct Answer: B
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On an RSTP network, port priorities may be compared during root port or designated port election. Which of the following values is the default priority of a port on a Huawei switch?
Correct Answer: A
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On the campus OSPF network shown in the following figure, the interfaces connecting the five routers are GE interfaces, and their costs are not changed. The import-route command is run on R1. After the network converges, the route to the server at 192.168.1.0/24 is queried on R2. Which of the following is the cost of this route?
Correct Answer: A
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During the initial formation of a spanning tree in STP, all STP switches consider themselves as the root bridge. Therefore, by default, they generate and send configuration BPDUs periodically (every______seconds). (Enter only digits.)
Correct Answer:
2
Route summarization can effectively reduce the number of BGP routes. However, many parameters need to be properly set when configuring BGP route summarization. Otherwise, problems such as routing loops may occur.
Which of the following statements is false about BGP route summarization?
Which of the following statements is false about BGP route summarization?
Correct Answer: C
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An enterprise administrator wants to configure single-hop BFD to implement fast detection of direct links.
Which of the following configurations are mandatory?
Which of the following configurations are mandatory?
Correct Answer: A,C,D
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In the VRP, by default, the routes imported by BGP will be automatically summarized.
Correct Answer: A
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Which three transmission modes are supported for IPv4 packets?
Correct Answer: A,B,D
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The OSPF neighbor table stores important entries maintained by OSPF. Which of the following statements are true about the entries?
Correct Answer: B,C,D
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OSPF has five types of packets, which have the same header format. If the Auth Type field in the packet header is 1, which of the following authentication modes is used?
Correct Answer: C
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