[2024] Pass Huawei H12-811-ENU Exam in First Attempt Easily
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NEW QUESTION # 223
Which of the following description about the Layer 2 Ethernet switch is incorrect?
- A. Able to learn MAC address
- B. Layer 2 Ethernet switches work at the data link layer
- C. Forward according to the Layer 2 header information of the Ethernet frame
- D. It is necessary to make certain modifications to the layer 3 header of the forwarded message, and then forward it
Answer: D
NEW QUESTION # 224
Which parameter is used in the spanning tree protocol for root bridge election?
- A. Root path cost
- B. Bridge ID
- C. Bridge priority
- D. Port ID
Answer: C
NEW QUESTION # 225
When the host frequently moves, which VLAN division method is most appropriate?
- A. Based on strategy division
- B. Based on AC address division
- C. Based on port division
- D. Based on IP subnet division
Answer: D
NEW QUESTION # 226
What is the port number used by the FTP protocol control plane?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 227
When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route, it will directly discard the data packet.
- A. True
- B. False
Answer: A
NEW QUESTION # 228
What elements can NAPT convert?
- A. MAC address + port number
- B. Only IP address
- C. IP address + port number
- D. Only MAC address
Answer: C
NEW QUESTION # 229
The function of 0SPF hello message is (). (Multiple Choice)
- A. Neighbor discovery
- B. Maintain neighbor relations
- C. Synchronize the LSDB of the router
- D. Update LSA information
Answer: A,B
NEW QUESTION # 230
On which layer of the OSI reference model does the Ethernet switch work?
- A. Physical layer
- B. Network layer
- C. Transport layer
- D. Data link layer
Answer: D
NEW QUESTION # 231
In the campus network, network reliability can be improved by using link aggregation and stacking technology.
- A. True
- B. False
Answer: A
NEW QUESTION # 232
Both pwd and dir commands in the VRP operating platform can view the file information under the current directory.
- A. FALSE
- B. TURE
Answer: A
NEW QUESTION # 233
The output information of a switch is shown in the figure. Which of the following interfaces can forward data frames with VLAN ID 40 and do not carry tags when forwarding?
- A. GE0/0/4
- B. GE0/0/2
- C. GE0/0/3
- D. GE0/0/5
Answer: D
NEW QUESTION # 234
The network devices running the SNMP protocol are running locally-an agent process.
- A. True
- B. False
Answer: A
NEW QUESTION # 235
By default, network devices running SNMPv2c protocol use which of the following port numbers to send trap messages to the network management system?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 236
Through SR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain the SegmentRouting information to cope with the real-time rapid development of the business. What are the following characteristics of Segment Routing? (Multiple choice)
- A. Adopting source routing technology to provide the ability to quickly exchange text between the network and upper-layer applications
- B. By extending the existing protocol (eg IGP), the existing network can better and smoothly evolve
- C. Support the centralized control mode of the controller and the distributed control mode of the transponder at the same time, and provide a balance between centralized control and distributed control
- D. SR (Segment Routing) adopts IP forwarding, no additional maintenance is required for another label forwarding table
Answer: A,B,C
NEW QUESTION # 237
Which of the following networks belong to a local area network? (Multiple choice)
- A. Internet
- B. A home network
- C. Broadband Metropolitan Area Network
- D. Office network of a company
Answer: B,D
NEW QUESTION # 238
What are the characteristics of VLAN based on port?
- A. Add VLAN tags to the data frame according to the IP address carried in the message
- B. The host mobile location needs to be reconfigured VLAN
- C. No need to reconfigure VLAN when the host moves
- D. Assign VLAN ID according to the protocol type and encapsulation format of the data frame
Answer: B
NEW QUESTION # 239
Broadly speaking, which of the following does the transmission medium that constitutes the wireless local area network wlan not include?
- A. Laser
- B. Infrared
- C. Radio waves
- D. Ray
Answer: D
NEW QUESTION # 240
Which of the following are not the characteristics of a small-sized campus network?
- A. Fewer users
- B. Simple network level
- C. Simple network requirements
- D. Wide coverage
Answer: D
NEW QUESTION # 241
If the Proto of a certain route information in the routing table is Direct, the priority of this route is set to 0.
- A. True
- B. False
Answer: A
NEW QUESTION # 242
What is the main function of the DNS protocol?
- A. Domain name resolution
- B. Mail transmission
- C. File transfer
- D. Remote access
Answer: A
NEW QUESTION # 243
The IP addresses of the VLANIF interfaces of the same switch cannot be the same.
- A. True
- B. False
Answer: A
NEW QUESTION # 244
The IPv6 protocol uses NS and NA packets for duplicate address detection (DAD).
- A. True
- B. False
Answer: A
NEW QUESTION # 245
The controller is the core component of SDN. The controller connects to the device through the southbound interface. Which of the following belong to the controller southbound protocol? (Multiple Choice)
- A. OpenFlow
- B. PCEP
- C. SNMP
- D. NETCONF
Answer: A,C
NEW QUESTION # 246
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