H19-401_V1.0 Exam Questions

The relationship between WLAN signal transmission distance and attenuation value is: every time the transmission distance doubles, the signal attenuates by about 10dB.

When the device performs tuning, if the country code in the AP domain is not configured, the device will only tune the global tuning channel.

The same radio frequency of an AP cannot work in direct forwarding and tunnel forwarding modes at the same time.

The minimalist "asteroid architecture" makes network deployment and operation more efficient, making the entire network more intelligent and low-carbon. In this architecture, the w...

During WLAN Layer 2 roaming, the user roams from AP1 to AP2. AP2 will notify its neighbors of the user's information to support the next roaming. The user's meteor will be encapsul...

In the CloudCampus public cloud deployment scenario, tenants log in to the CloudCampus cloud management platform through the Internet and connect to the cloud management platform t...

In the CloudCampus public cloud deployment scenario, APs are managed and configured uniformly by the cloud management platform. The wireless tuning algorithm principle is: detect a...

Email deployment is also called URL deployment. It means that the network administrator completes the deployment configuration on iMasterNCE. The iMasterNCE system automatically ge...

CampusInsight uses the SNMP protocol to collect data, rather than the industry's de facto standard StreamingTelemetry technology.

When deploying the business mobility solution, mixed networking between Huawei equipment and third-party equipment is not supported. For example, third-party equipment cannot be us...

EAP messages during the 802 1X authentication process can be transparently transmitted by default on Huawei switches.

It is recommended by WLAN network planning that the field strength coverage requirement in general areas is greater than -85dBm.

In the Wi-Fi6 protocol, both OFDMA and MU-MIMO can improve the multi-user concurrent experience in high-density scenarios. Among them, MU-MIMO is more sensitive to the movement sta...

The biggest change in optical-electrical hybrid cable 2.0 is that the optical-electrical hybrid switch ports change from optical-electrical separation to optical-electrical integra...

Multi-transmit, selective receive and anti-packet loss technology is suitable for businesses with small traffic and high reliability requirements.

SD-WAN in MSP mode can generally manage multiple companies, and different companies are assigned different MSP accounts or tenant accounts. This model is generally suitable for ope...

DHCP deployment needs to be implemented using the optional fields in DHCP messages. In IPv4 or IPv6 networks, the DHCP server passes the controller address information to the CPE t...

In Huawei's SD-WAN solution, iMasterNCE-Campus supports the SNMP protocol.

Huawei SD-WAN solution, iMaster NCE establishes a management channel with CPE equipment through Restful protocol.

In the SD-WAN network, the overlay topology of different service VPNs must be consistent.

In Huawei's SD-WAN solution, the main function of the RR (route reflector) is: based on the VPN topology policy, it is responsible for publishing VPN routing and tunnel information...

In CloudCampus, for site design, each site can be configured with an independent tenant administrator for network operation and maintenance, so the more sites are divided, the bett...

In the cloudCampus public cloud deployment scenario, users perform AP wireless tuning and configuration on the cloud management platform, which can support automatic mode, manual m...

In CloudCampus, tenants can only be managed by MSP administrators.

FireHunter is a high-performance APT threat detection system launched by Huawei. Based on traditional security detection technology. FireHunter introduces multi-engine virtual dete...

Telemetry technology supports second-level network data collection; based on quasi-real-time data acquisition capabilities, it is a key dependency for analyzers to mine data.

IMasterNCE-Campus supports remote disaster recovery deployment scenarios.

For indoor ceiling installation, it is recommended to use directional antenna AP when the height is higher than 6 meters.

The enterprise SD-WAN network can be divided into two layers: Underlay physical network and overlay virtual network. The physical network and virtual network are mutually exclusive...

Intelligently identifies sticky terminals in the network, and selects different methods according to the capabilities of different terminals to help sticky terminals choose more ap...

In the Wi-Fi6 protocol, both OFDMA and WU-MINO can improve the multi-user concurrent experience in high-density scenarios. OFDMA is more suitable for large packet transmission scen...

From the perspective of signal coverage, roaming reliability depends on the planning and design of coverage overlapping areas.

In the network access control solution, before user authentication is successful, in order to meet some basic network access requirements, such as updating virus databases, you can...

Business Mobile is a solution that ensures that users receive the same network access policy no matter where they are or which IP address they use.

When using tunnel forwarding mode, data from access terminals must be forwarded by the AC.

CampusInsight improves user and business experience based on predictive analytics and AI.

In CloudCampus, iMaster NCE does not support device management through SNMP.

The SD-WAN multi-transmit and selective-receive function only supports wired link MPLS/internet mode and does not support 4G/5G mode.

In a small campus network, the egress routing design mainly meets the needs of users within the campus to access the Internet and WAN. When the egress device is connected to the In...

As a management service provider, MSP is responsible for providing cloud equipment and cloud network services to tenants. When tenants apply for maintenance services from MSP, MSP...

RR does not have to be deployed in the SD-WAN solution network, and routes can be exchanged directly between sites.

Application-based intelligent routing is intelligent routing based on application priority, link quality, load balancing, and bandwidth occupancy.

Huawei's SD-WAN solution identifies applications through SAC and implements application routing through SPR.

SD-WAN GW has the connection capabilities of both SD-WAN and traditional networks, and can be used as an intermediate gateway device to interconnect the two.

In a dual-link network, the AP starts to establish a link with the backup AC only after the link establishment with the primary AC is completed and the configuration is distributed...

The IEEE802.11 wireless network standard allows wireless network users to roam in different wireless bridge segments.

In the scenario covered by the 2.4G frequency band, when the channels cannot be staggered from 1, 6, and 11, the 1, 5, 9, and 13 methods can be used for processing (provided that t...

The EAP protocol message in the 802.1X authentication process is a BPDU message. For BPDU packets, Huawei's switch equipment currently does not perform Layer 2 forwarding by defaul...

In the campus wide-area SD-WAN interconnection solution, intelligent routing based on load balancing performs hashing on a flow-by-flow basis by default.

During the control channel establishment process, the BGPEVPN neighbor relationship is generally established between the CPE and the RR through the loopback interface.