100% Accurate Answers! Sep-2025 H19-427_V1.0-ENU Actual Real Exam Questions
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NEW QUESTION # 125
When designing a WLAN, which frequency should be selected for the 2.4 GHz band?
- A. 160 MHZ
- B. 40 MHZ
- C. 80 MHZ
- D. 20 MHZ
Answer: D
NEW QUESTION # 126
Generally speaking, what type of message will be set as the highest priority message in QoS?
- A. Signaling traffic such as routing protocols
- B. ERP, email, and other office traffic
- C. Online video and other multimedia traffic
- D. Real-time interactive traffic such as online ordering
Answer: A
NEW QUESTION # 127
By scanning the QR code of an AP device using the CloudCampus app, which of the following information can be obtained?
- A. IP
- B. Domain name
- C. Model
- D. MAC address
Answer: D
NEW QUESTION # 128
Different messages use different message priorities.
Which of the following descriptions of message priority is incorrect?
- A. VLAN packets in a wired network use 802.1p priority, and IP packets use DSCP priority.
- B. The 802.11 packets sent by the STA carry the UP priority or DSCP priority.
- C. To maintain the priority of packets as they pass through different networks, you need to configure a mapping between priority fields on the device.
- D. To maintain the packet priority as it passes through different networks, the priority field configured on the device must remain unchanged. Priority mapping cannot be performed.
Answer: D
NEW QUESTION # 129
Which of the following descriptions about dual-link backup networking is incorrect?
- A. When establishing a primary/backup link between the AP and the primary/backup AC, the link established first must be the primary link.
- B. Dual-link backup technology improves network reliability at key network nodes and ensures business stability
- C. The network service configuration on the active and standby ACs must be consistent
- D. The backup AC must always be powered on
Answer: A
NEW QUESTION # 130
The intelligent campus network solution can support campus interconnection scenarios with multiple devices and multiple methods. Due to the different capabilities supported by the devices, it is necessary to select appropriate devices for network design in different scenarios.
Based on the interconnected model, the following scenarios can be divided into? (Multiple choice)
- A. Multiple branches, single headquarters/data center interconnection (single hub node, IPSec VPN networking)
- B. Multi-branch, multi-headquarter/data center interconnection (AR EVPN networking)
- C. Multi-branch, multi-headquarter/data center interconnection (multi-hub node, IPSec VPN networking)
- D. Multi-branch, multi-headquarter/data center interconnection (AR with firewall, EVPN networking)
Answer: A,B,C,D
NEW QUESTION # 131
When the CloudCampus solution is applied to small or medium-sized campus networks, which description of the access layer design is correct?
- A. For micro-store scenarios where AP coverage is required, APs and egress devices must be deployed in the store. APs cannot be directly connected to egress links and do not support NAT.
- B. Select an appropriate access switch model based on whether PoE support is required and the number of access APs.
- C. For medium-sized supermarkets and general education scenarios with large network scales, a stacked network is recommended for the access layer. When a single access device can meet the access density of downstream terminals, a single-device network can be used at the access layer. When the upstream devices at the access layer use a stacked network, an Eth-Trunk link is recommended to connect the upstream devices. If multiple APs are required for coverage, expand AP access using POE LSW.
- D. When selecting a switch, you need to calculate the number of connected APs * AP power < the power the POE switch can provide. Therefore, you need to choose a POE switch with an appropriate power supply based on the specific model and number of APs.
Answer: B,C,D
NEW QUESTION # 132
Which of the following is not a characteristic of Telemetry technology?
- A. Subscription-based publishing, on-demand use
- B. Based on Http + Protobuf
- C. Polling technology based on minute-level cycles
- D. Efficient encoding and decoding technology, acquiring multiple data at a time, with sub-second accuracy
Answer: C
NEW QUESTION # 133
dBm is a unit that represents signal strength. Transmit power can be converted to dBm. Which of the following calculations are correct?
- A. 3dBm=2mW
- B. 6dBm=3mW
- C. 0dBm=1mW
- D. 9dBm=4mW
Answer: A,C
NEW QUESTION # 134
Which of the following are the functions of the iMaster NCE controller in Huawei's SD-WAN solution?
- A. CPE Orchestration and Management
- B. Network Service Orchestration
- C. Basic network operation and maintenance
- D. Network basic performance monitoring
Answer: A,B
NEW QUESTION # 135
Since the receiving sensitivity of the terminal is lower than that of the AP, considering the uplink and downlink balance, setting the AP's transmit power slightly higher than the terminal can optimize the communication effect.
- A. Correct
- B. Error
Answer: A
NEW QUESTION # 136
What are the installation methods for outdoor APs and antennas?
- A. Bracket Installation
- B. Threaded Rod Mounting
- C. Pole installation
- D. Wall mounting
Answer: A,B,C,D
NEW QUESTION # 137
What protocol is WiFi6?
- A. 802.11b
- B. 802.11ax
- C. 802.11ac
- D. 802.11n
Answer: B
NEW QUESTION # 138
In the CloudCampus Huawei public cloud deployment scenario, which of the following push methods does the portal authentication page on the cloud management platform support?
- A. Push portal pages by time period
- B. Push portal page by SSID
- C. Push portal page by access device
- D. Push portal page by terminal IP address
Answer: A,B,C,D
NEW QUESTION # 139
Which of the following descriptions of the WLAN traffic forwarding model is correct?
- A. For Layer 2 roaming with direct forwarding and tunnel forwarding, the traffic path remains the same after roaming and will be forwarded back to the home agent through the CAPWAP tunnel.
- B. By default, in direct forwarding Layer 3 roaming, when traffic returns to the HAC, it is forwarded directly to the upper-layer network.
- C. In Layer 3 roaming with tunnel forwarding, after traffic returns to the HAC, it also needs to return to the HAP and then be forwarded to the upper-layer network.
- D. Direct forwarding Layer 2 roaming: After roaming, traffic will be forwarded directly on the FAP without going through the FAC.
Answer: D
NEW QUESTION # 140
Which is not a core role in the free mobility solution?
- A. iMMaster NCE-Campus
- B. Terminal
- C. AAA server
- D. Strategy Execution Point
Answer: A
NEW QUESTION # 141
In iMaster NCE-Campus network planning, when there is no special isolation requirement, which networking method is recommended?
- A. Four-plane networking
- B. Three-plane networking
- C. Two-plane networking
- D. Flat networking
Answer: C
NEW QUESTION # 142
What channel is used for forwarding data in Huawei's SD-WAN solution?
- A. Management Channel
- B. Control Channel
- C. Forwarding channel
- D. Data Channel
Answer: D
NEW QUESTION # 143
In the Cloud Campus Huawei public cloud deployment scenario, which of the following statements is correct?
- A. If you want to use the reverse telnet function provided by the cloud management platform, you must ensure that the address obtained by the cloud box device is a public network address.
- B. NAT can be traversed between the cloud box device and the cloud management platform.
- C. The CloudBox device does not support reverse telnet through the Cloud Management Platform.
- D. The CloudBox device and the Cloud Management Platform must have bidirectional IP connectivity to be managed by the Cloud Management Platform. NAT cannot be traversed between the CloudBox device and the Cloud Management Platform.
Answer: D
NEW QUESTION # 144
Which of the following is correct about AC N+1 backup?
- A. The AP and all ACs establish CAPWAP tunnels simultaneously
- B. Support active/standby switching and active/standby back-off
- C. Support real-time synchronization of user data information
- D. Load balancing mode is not supported
Answer: B
NEW QUESTION # 145
The biggest change in the optoelectronic hybrid cable 2.0 is that the optoelectronic hybrid switch port changes from optical and electrical separation to optical and electrical integration. The structural optimization makes the splicing and use of the optoelectronic hybrid cable easier, while doubling the density of the optoelectronic ports.
- A. Correct
- B. Error
Answer: A
NEW QUESTION # 146
Which channel does CPE routing use?
- A. Management Channel
- B. Arrange channel
- C. Data Channel
- D. Control Channel
Answer: D
NEW QUESTION # 147
Which of the following descriptions of the admission control function of iMaster NCE is incorrect?
- A. Authentication data is transmitted using the NETCONF and RADIUS protocols; configuration data is transmitted using the HTTP 2.0 protocol.
- B. iMaster NCE has functions such as Portal Server and Radius Server, and supports interconnection with third-party Radius servers.
- C. Supports username and password Portal authentication, anonymous Portal authentication, SMS authentication, Passcode authentication, etc., and also supports docking with third-party apps such as Weibo.
- D. Supports docking with third-party Porta1 servers.
Answer: A
NEW QUESTION # 148
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