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Huawei H12-811_V1.0 (HCIA-Datacom V1.0) Exam is a computer-based test that consists of multiple-choice questions. H12-811_V1.0 exam is divided into two parts: a written exam and a lab exam. The written exam contains 60 questions that must be completed within 90 minutes. The lab exam, on the other hand, is a hands-on exam that tests the candidate's ability to configure and troubleshoot network devices.
NEW QUESTION # 191
Which frequencies does IEEE802.11n support? ()
- A. 2.4GHz
- B. 5GHz
- C. 6GHz
Answer: B,C
NEW QUESTION # 192
In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect ()
- A. True
- B. False
Answer: B
NEW QUESTION # 193
As shown in the figure below. All switches enable the $P protocol and keep other configurations in their default state. When the network is stable, are the following statements correct? () (Multiple Choice Questions)
- A. D. SWB is the root bridge in this network
- B. Both ports of SWC are in Forwarding state
- C. Both ports of SWB are in Forwarding state
- D. SWA is the root bridge in this network
Answer: C,D
NEW QUESTION # 194
As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. ()(True or False)
- A. False
- B. True
Answer: B
NEW QUESTION # 195
The administrator wants to allocate a Hundred P address on the G0/0/0 interface of the router. Which of the following addresses is correct? ()
- A. 237.6.1.2/24
- B. 192.168.10.112/30
- C. 127.3.1.4/28
- D. 145.4.2.55/26
Answer: D
NEW QUESTION # 196
The following statement about Python is incorrect ()
- A. Is a fully open source high-level programming language
- B. Has a rich third-party library
- C. Can be used for automated operation and maintenance scripts, artificial intelligence data science and many other fields
- D. Have a clear grammatical structure, easy to learn, and high efficiency for colleagues
Answer: A
NEW QUESTION # 197
At which layer of the OSI reference model do Ethernet switches operate? ( )
- A. Data link layer
- B. Physical layer
- C. Network layer
- D. Transport layer
Answer: A
NEW QUESTION # 198
In the following figure, all links are Ethernet links, and all interfaces on the routers are running OSPF. Given this, how many DRs will be elected on this network?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Detailed Explanation: In OSPF networks, a DR (Designated Router) is elected for each broadcast domain, such as each Ethernet segment. Given the topology where there are multiple Ethernet segments, a DR will be elected in each segment, resulting in three DRs based on the configuration and network design.
NEW QUESTION # 199
What kind of packets does the OSPF protocol use to request LSAs that are missing locally?
- A. LSR
- B. LSACK
- C. HELLO
- D. LSU
Answer: A
NEW QUESTION # 200
What is the number range of the Layer 2 ACL? ()
- A. 4000-4999
- B. 6000-6031
- C. 3000-3999
- D. 2000-2999
Answer: A
NEW QUESTION # 201
The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)
- A. Router B
- B. No BDR
- C. Router C
Answer: C
NEW QUESTION # 202
Telnet is based on TCP protocol.
- A. False
- B. True
Answer: B
NEW QUESTION # 203
The output information of a certain device is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
- A. The device has been running for 1 minute
- B. The standby main control board of the device is operating normally
- C. The device name is Huawei
- D. The VRP operating version of this device is CRP5
Answer: A,C,D
NEW QUESTION # 204
On the network shown in the figure, G0/0/0 and G0/0/1 of RTA connect to two different network segments, and RTA is the gateway between the two networks. Given this, the MAC address from which of the following needs to be obtained using an ARP Request message before HostA sends data to HostC?
- A. HostC
- B. G0/0/0 of RTA
- C. SWA
- D. G0/0/1 of RTA
Answer: B
Explanation:
When HostA wants to send data to HostC, the following steps occur:
* HostA checks if HostC is in the same subnet:
* HostA and HostC are in different network segments, meaning HostA must send the packet to its default gateway (RTA, G0/0/0) to reach HostC.
* HostA needs the MAC address of its gateway (RTA G0/0/0):
* Since ARP (Address Resolution Protocol) is used to resolve IP to MAC addresses, HostA will send an ARP Request to obtain the MAC address of G0/0/0 of RTA.
* RTA forwards the packet to HostC:
* Once HostA sends the packet to RTA (using G0/0/0 ' s MAC), RTA will route it to the correct network segment and send it to HostC through G0/0/1.
Why the Other Options Are Incorrect:
* Option A (HostC) - Incorrect:
* HostA does not send an ARP request for HostC because HostC is in a different subnet.
* Option B (G0/0/1 of RTA) - Incorrect:
* HostA only communicates with its directly connected gateway (G0/0/0), not G0/0/1.
* Option C (SWA) - Incorrect:
* Switches (SWA, SWB) operate at Layer 2 and do not require ARP.
Final Answer: D (G0/0/0 of RTA)
Reference:Huawei HCIA-Datacom Official Documentation - ARP Process and Inter-VLAN Routing
NEW QUESTION # 205
The following figure shows the display interface Eth-Trunk 1 command output on a switch. Which of the following commands can be used to delete Eth-Trunk 1?
- A. undo interface Eth-Trunk 1
- B. inte GigabitEthernet 0/0/1 undo eth-trunk quit inte GigabitEthernet 0/0/2 undo eth-trunk quit undo interface Eth-Trunk 1
- C. inte GigabitEthernet 0/0/1 undo eth-trunk quit undo interface Eth-Trunk 1
- D. inte GigabitEthernet 0/0/2 undo eth-trunk quit undo interface Eth-Trunk 1
Answer: A
Explanation:
Comprehensive Explanation: To remove the Eth-Trunk interface, you can simply use the undo interface Eth- Trunk 1 command. This command deletes the entire Eth-Trunk interface from the switch configuration. The other commands involve additional steps to unbind physical interfaces from the Eth-Trunk, but these steps are unnecessary if you are deleting the Eth-Trunk interface entirely.
NEW QUESTION # 206
The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data packet is forwarded by the router, what are the destination MAC. and destination IP? ()
- A. B. MAC-D.10.0.12.2
- B. MAC-D.11.0.12.1
- C. D. MAC-B.11.0.12.1
Answer: C
NEW QUESTION # 207
Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()
- A. False Incomplete commanD.founD.at'position
- B. Error:Too many parameters founD.at'position
- C. Error: Wrong parameter founD.at'position
Answer: B
NEW QUESTION # 208
In the network shown in the figure below, the bridge ID of the switch has been marked. Enter the command stp rootsecondary on the sWD. switch and the following switch will become the root bridge of this network. ()
- A. SWA
- B. SWD
- C. SWB
Answer: C
NEW QUESTION # 209
How many port states are involved in RSTP?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Detailed Explanation:In RSTP, there are three port states: Discarding, Learning, and Forwarding. These states replace the five traditional STP states by combining them to optimize network convergence.
NEW QUESTION # 210
A network administrator wishes to implement VLAN 10 to isolate certain users. It is common, however, for these users to often change their physical location. Which of the following VLAN implementations should be used?
- A. Port based VLAN assignment
- B. Protocol based VLAN assignment
- C. MAC based VLAN assignment
- D. IP subnet based VLAN assignment
Answer: B
NEW QUESTION # 211
Which of the following does not correctly describe Python?
- A. Python can be used in many fields, such as automatic O&M scripting, artificial intelligence, and data science.
- B. Python has rich third-party libraries.
- C. Python is a fully open-source high-level programming language.
- D. Python has a clear syntax, is easy to learn, and efficient at runtime.
Answer: D
Explanation:
Python is known for clear syntax and ease of learning, but it is not highly efficient at runtime due to being an interpreted language.
* Option A (Correct): Python has a vast ecosystem of third-party libraries.
* Option B (Incorrect - Answer): Python is easy to learn but is not as fast as compiled languages like C or Java.
* Option C (Correct): Python is widely used in O&M, AI, and data science.
* Option D (Correct): Python is fully open-source.
Thus, the correct answer is B.
NEW QUESTION # 212
Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()
- A. 10.255.255.254/24
- B. 172.32.1.1/24
- C. 172.16.255.254/24
- D. 192.168.1.1/24
Answer: A
NEW QUESTION # 213
When using the ping command on the VRp platform, if you need to specify an IP address as the source address of the echo request message, which of the following parameters should be used? ()
- A. =-d
- B. =-1n
- C. =-a
- D. =-S
Answer: C
NEW QUESTION # 214
Which stage in the life cycle of campus network construction is the beginning of a project?
- A. Planning and design
- B. Network implementation
- C. Network operation and maintenance
- D. Network optimization
Answer: A
NEW QUESTION # 215
In the network shown in the figure below, when the 0$PF neighbor status is stable. What is the neighbor status of Router B and Router C?
- A. Down
- B. 2-way
- C. Attempt
- D. Full
Answer: B
NEW QUESTION # 216
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