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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network O&M and Troubleshooting | 10% | - Troubleshooting methodology and process - Network documentation and baselining - Common network fault diagnosis - Network maintenance tools (ping, tracert, display commands) |
| Topic 2: WLAN Technology Basics | 10% | - WLAN basic configuration and troubleshooting - WLAN networking architecture (AC + AP) - WLAN overview and 802.11 standards - WLAN RF fundamentals (channels, bands) |
| Topic 3: Data Center Network Basics | 5% | - Data center fabric concepts (VXLAN, SDN) - Cloud computing and virtualization basics - Data center network architecture overview |
| Topic 4: Data Communication Network Basics | 10% | - Basic principles and operations of VRP (Versatile Routing Platform) - TCP/UDP principles - OSI and TCP/IP protocol models and functions of each layer - Basic concepts and life cycle of campus network - ARP principles - Data forwarding process - Basic network concepts, IP network architecture, and standardization organizations |
| Topic 5: Network Security and Services | 15% | - AAA (Authentication, Authorization, Accounting) - IPsec VPN fundamentals - Network management protocols (SNMP, NTP) - FTP / TFTP and file management - Firewall basics and security zones - Network security overview |
| Topic 6: Ethernet Technology Basics | 20% | - VLAN intercommunication (sub-interface, VLANIF) - MAC address table and forwarding - Ethernet overview and frame structure - Link aggregation (LACP) - STP / RSTP / MSTP spanning tree protocols - VLAN principles and configuration |
| Topic 7: Typical Campus Networking Solution | 5% | - Network reliability and redundancy design - Campus network architecture design - Hierarchical network model (core, aggregation, access) - Typical campus network deployment scenarios |
| Topic 8: IP Technology Basics | 25% | - ICMP protocol - OSPF fundamentals (single-area) - Static routing and default routing - NAT (Network Address Translation) - DHCP principles and configuration - ACL (Access Control List) - IPv6 basics and address types - IPv4 addressing and subnetting |
>> H12-811_V2.0 Reliable Dumps Questions <<
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NEW QUESTION # 99
On the network shown in the figure, GE1/0/1 and GE1/0/2 of SW1 are access interfaces, and their PVIDs are VLAN 2 and VLAN 3 respectively. GE1/0/1 of SW2 is also an access interface, and its PVID is VLAN 4.
Which of the following configurations on SW1 and SW2 can ensure that data packets sent from PC1 and PC2 can reach PC3?
Answer: A,D
Explanation:
PC1 and PC2 are in different VLANs on SW1, while PC3 is in VLAN 4 on SW2. To allow traffic from VLAN 2 and VLAN 3 users to reach PC3 through the inter-switch link, SW1 must be able to send frames from PC1 and PC2 toward SW2 in a form that SW2 can place into VLAN 4.
Option B is valid because a hybrid interface on SW1 can send frames from VLAN 2 and VLAN 3 untagged, and setting the PVID to VLAN 4 allows untagged inbound frames on the peer side to be associated appropriately when matched with the SW2 configuration. Option C is also valid because configuring SW2's GE1/0/3 as a trunk allowing VLAN 4 and setting its PVID to VLAN 4 means untagged frames arriving from SW1 are treated as belonging to VLAN 4 and can then be forwarded to PC3 through its access interface.
Option A is incomplete because only configuring SW2 does not solve the VLAN handling on SW1. Option D is incorrect because a trunk on SW1 would send VLAN 2 and VLAN 3 frames tagged, which would not match the VLAN 4-only expectation on SW2 in this scenario.
NEW QUESTION # 100
FILL BLANK
In the figure, R1 functions as an FTP client, and R2 functions as an FTP server. When configuring FTP user information on the server, the administrator needs to set the user level to obtain the corresponding access permission. To do so, the administrator needs to run the local- user admin privilege level _____ command in the AAA view of R2. (Enter only digits, range is from 0 to 3.)
Answer:
Explanation:
3
Explanation:
Privilege level 3 provides the highest user permission level in this command range. For an FTP administrator account on a Huawei device, setting the local user to level 3 grants sufficient permission to access and manage files on the FTP server.
NEW QUESTION # 101
An enterprise has deployed a Huawei WLAN, but some STAs cannot associate with wireless signals. To troubleshoot this issue, you log in to the WAC and run related commands. The command output is as follows.
According to the command output, which of the following is the possible cause of the STA association failure?
Answer: C
Explanation:
The command output in the exhibit shows that both AP radios are enabled, so a disabled radio is not supported by the evidence. The 5 GHz radio has relatively low channel utilization, while the 2.4 GHz radio reports channel utilization of approximately 90 percent. Such a high utilization value indicates that the air interface is heavily occupied by transmissions or interference. Huawei WLAN troubleshooting guidance identifies a busy air interface and a heavily loaded AP as possible causes of STA association failures because management and authentication frames may be delayed or lost when contention is severe. The displayed radio information alone does not prove that the affected STAs are in a blacklist or absent from a whitelist; those conditions require separate STA or VAP access-control information. Therefore, option A is the only choice directly supported by the command output. The correct troubleshooting interpretation is that excessive channel utilization on the radio can make the air interface busy and prevent some STAs from completing association successfully. The verified answer is A.
NEW QUESTION # 102
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?
Answer: C
Explanation:
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.
NEW QUESTION # 103
R1 has two equal-cost routes to 10.0.12.0/24 after the following commands are configured.
[R1] ip route-static 10.0.12.0 24 10.0.12.2 preference 60
[R1] ip route-static 10.0.12.0 24 10.0.21.2 preference 60
Answer: B
Explanation:
The source key marks this statement TRUE, but the topology makes that answer technically incorrect. R1 is shown with interface address 10.0.12.1/24, which automatically installs a directly connected route to 10.0.12.0
/24. On Huawei VRP, a direct route has preference 0, whereas a static route has preference 60 unless another value is configured. The two commands do configure two static routes with the same preference, and equal- preference static routes can support load balancing when they are the best routes to a destination. Here, however, both static routes are for the same prefix that R1 already owns as a connected network. The direct route has a higher priority because its preference value is smaller, so it is selected in the active IP routing table instead of the two preference-60 static routes. Therefore the assertion that R1 has two active equal-cost routes to 10.0.12.0/24 is FALSE as the question and exhibit are written. The verified answer is B, and the original source key A should be corrected.
NEW QUESTION # 104
......
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