新版H12-811_V2.0題庫 - H12-811_V2.0考試大綱

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Huawei H12-811_V2.0 考試大綱：

主題簡介
主題 1
  • WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.
主題 2
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
主題 3
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.
主題 4
  • IP Technology Basics: Covers IPv4
  • IPv6 addressing, subnetting, routing fundamentals, and common routing protocols such as OSPF, RIP, and static routing.
主題 5
  • Network O&M and Troubleshooting: Covers network operation and maintenance practices, common diagnostic tools, and methodologies for identifying and resolving network faults.

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最新的 HCIA-Datacom H12-811_V2.0 免費考試真題 (Q60-Q65):

問題 #60
FILL BLANK
On the network shown in the figure, it is required that interfaces on R1 and R3 are reachable to each other through static routes. When implementing this requirement, there is no need to configure static routes on _____. (Enter a device name in the figure, for example, R1.)

答案：

解題說明：
R2
Explanation:
R1 and R3 are not directly connected, so each of them requires a static route pointing to the next hop through R2 to reach the remote network. However, R2 has both networks (10.0.0.0/24 and
20.1.1.0/24) directly connected on its interfaces, so it already has routes to both sides in its routing table. Therefore, no static route configuration is required on R2.


問題 #61
The following command output is displayed on R1:
[R1] display aaa configuration
Domain Name Delimiter : @
Domainname parse direction : Left to right
Domainname location : After-delimiter
Administrator user default domain : default_admin
Normal user default domain : default
Domain : total: 256 used: 3
Authentication-scheme : total: 32 used: 2
Accounting-scheme : total: 32 used: 1
Authorization-scheme : total: 32 used: 2
Service-scheme : total: 256 used: 0
Recording-scheme : total: 32 used: 0
Local-user : total: 512 used: 2
Remote-admin-user block retry-interval : 5 Min(s)
Remote-admin-user block retry-time : 3
Remote-admin-user block time : 5 Min(s)
Session timeout invalid enable : No
Which of the following statements is false?

答案：B

解題說明：
Comprehensive and Detailed 150 to 200 words of Explanation From Datacom knowledge:
The false statement is B . From the AAA configuration output, the value of Remote-admin-user block time is clearly shown as 5 Min(s) , which means the account lockout duration is 5 minutes , not 30 minutes.
Option A is true because Remote-admin-user block retry-time : 3 indicates that after 3 consecutive authentication failures , the account will be blocked. Option C is also true because the displayed Domain Name Delimiter is @ , which is the separator used in usernames such as user@huawei.com. Option D is true as well because the output shows Local-user : total: 512 used: 2 , meaning that the device supports a maximum of 512 local users , and currently 2 local users have been created.
This question checks the ability to correctly read AAA configuration output on Huawei devices. In HCIA- Datacom knowledge, it is important to distinguish between retry interval , retry count , and block time , because these values represent different security control parameters and are often confused during troubleshooting or configuration review.


問題 #62
On the switched network shown in the figure, STP is enabled on all devices. SW1 is the root bridge. The port costs are shown in the figure. Other parameters retain the default values. After the network is stable, which of the following paths is used by SW1 to send traffic to SW4?

答案：D

解題說明：
After STP convergence, only ports in the forwarding state participate in active traffic forwarding, while redundant ports may be placed into the blocking or discarding state to eliminate loops.
According to the topology and STP role election shown in the question, the valid forwarding path from SW1 to SW4 is SW1 -> SW3 -> SW4, so option B is correct.


問題 #63
On the network shown in the figure, R1 and R2 are directly connected through a physical link.
When the link is normal, R1 can ping the IP address of R2's interface.

答案：A

解題說明：
Although R1 and R2 are directly connected and belong to the same subnet (10.0.12.0/24 vs
10.0.21.0/24), they are actually in different IP networks. R1's interface is in 10.0.12.0/24 while R2's interface is in 10.0.21.0/24, which are not the same subnet, so they cannot communicate directly at Layer 3 without routing. Therefore, R1 cannot successfully ping R2's interface IP under normal conditions.


問題 #64
The Protocol field in a packet's IP header identifies the upper-layer protocol that will continue to process the packet. For an ICMP packet, the Protocol field defaults to 0.

答案：A

解題說明：
The Protocol field in the IP header identifies the upper-layer protocol such as ICMP, TCP, or UDP. ICMP is identified by protocol number 1, not 0. Therefore, the statement that ICMP uses a default value of 0 is incorrect.


問題 #65
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