H19-401

Through issue analysis, iMaster NCE-CampusInsight detects a high interference issue that’s found on neighboring APs working on channel 1. What should be done to solve this issue?. Check whether the DHCP server is connected. Adjust neighboring APs to different channels. . Restart APs. Limit the rate of access users.

Which of the following statements is false about PoE power supply?. Wi-Fi 6 APs must use 802.3bt power supply. PoE++ technology complies with IEEE 802.3bt, which provides a maximum of 81.6 W power to PDs. PoE technology complies with IEEE 802.3af, which provides a maximum of 12.95 W power to PDs. PoE+ technology complies with IEEE 802.3at, which provides a maximum of 25.5 W power to PDs.

Which of the following modes are supported for indoor settled AP installation? (Choose all that apply.). Threaded rod mounting. Wall mounting. Support mounting. Ceiling mounting.

Which of the following are typical 802.1X authentication modes? (Choose all that apply.). A. EAP termination. B. EAP-MD5. C. EAP-TLS. D. EAP relay.

Which of the following methods can be used to control the coverage area of an AP? (Choose all that apply.). A. Adjusting the access bandwidth of an AP. B. Adjusting the power supply of an AP. C. Adjusting the antenna angle of an AP. D. Adjusting the transmit power of an AP.

The receiver sensitivity of a STA is lower than that of an AP. To balance the uplink and downlink traffic, set the transmit power of the AP to a value slightly higher than that of the STA to achieve the optimal communication effect. TRUE. FALSE.

the SD-WAN campus interconnection solution, if two sites cannot directly communicate with each other, they can do so through a third site known as a redirect site. TRUE. FALSE.

In the NAC solution, authentication-free rules can be configured to allow users to obtain some network access rights before they are authenticated, allowing them to carry out basic tasks such as updating the antivirus signature database. However, once a user fails to be authenticated, they can no longer access the network. TRUE. FALSE.

During WLAN planning and design, which of the following factors need to be considered during WLAN capacity design? (Choose all that apply.). Capacity of a single AP. Number of access users. Number of concurrent users. Per-user bandwidth.

In Huawei's free mobility solution, which of the following devices can be used as access devices to authenticate terminals thanks to IP-security group entry synchronization? (Choose all that apply.). AR. AP. Switch. FIrewall.

Logically, networks in the EVPN interconnection solution can be divided into multiple layers. Which of the following layers are included? (Choose all that apply.). Physical network (underlay network) layer. Service policy layer. Logical network (overlay network) layer. Virtual network (fabric network) layer.

In policy association, which management tunnel is established between the authentication control point and authentication enforcement point (authentication access device)?. CAPWAP tunnel. NETCONF. IPsec tunnel. VXLAN tunnel.

An enterprise leases three links from a carrier: MPLS, Internet1, and Internet2. The enterprise requires that VoIP service traffic be preferentially transmitted over the MPLS link and traffic of low-priority applications be scheduled to other links if the MPLS link is congested. This is to prevent quality deterioration of the MPLS link affecting VoIP services. Which of the following traffic steering algorithms should be selected to meet the enterprise's requirements?. Application priority-based traffic steering. Load balancing-based traffic steering. Link quality-based traffic steering. Bandwidth-based traffic steering.

In intelligent traffic steering, if the load balancing mode is selected for traffic behavior between transport networks, which of the following traffic steering behaviors are available when the conditions are not met? (Choose all that apply.). A. Optimal link. B. Custom. C. Discard. D. Random link.

What does AAA refer to? (Choose all that apply.). Authorization. Audit. Accounting. Authentication.

In free mobility, security groups cannot have IP addresses or address ranges statically bound. A. TRUE. B. FALSE.

In terms of signal coverage, roaming reliability depends on the planning and design of overlapping coverage areas. TRUE. FALSE.

Sticky STAs on a WLAN can be intelligently identified and steered to more suitable APs according to the STA capabilities. TRUE. FALSE.

In USB-based deployment mode, after the network administrator configures ZTP on the controller, the controller automatically generates a ZTP file that contains the CPE deployment configuration. Then, the deployment engineer uses a tool to generate a configuration file and imports the configuration file to a USB flash drive for USB-based deployment. TRUE. FALSE.

In Huawei's SD-WAN Solution, which of the following routing protocols are supported on the LAN side? (Choose all that apply.). IS-IS. BGP. Static routing. OSPF.

Which of the following roles can be assigned to devices added under a tenant account on iMaster NCE? (Choose all that apply.). WAC. IWG. CPE. RR.

What does it mean when the maximum number of STA association times to is set to 6 in static load balancing mode?. When the load is unbalanced, a STA is denied up to six times before successfully accessing a heavily loaded AP. If a STA associates with an AP six consecutive times, a load imbalance occurs. When the load is unbalanced, a STA is denied up to five times before successfully accessing a heavily loaded AP. A maximum of six STAs can be simultaneously associated with one AP.

Which of the following statements are true about hybrid Internet access? (Choose all that apply.). Both local Internet access and centralized Internet access are configured on the SD-WAN network. When a site has a link for local Internet access and a link for centralized Internet access, the link for local Internet access has a higher default route priority. Local Internet access is configured for all traffic at all sites. By default, all Internet access traffic is routed out through the local Internet access interface. If the local Internet access interface is faulty, Internet access traffic is diverted to the centralized Internet access gateway and then to the Internet.

How is smart antenna technology implemented?. Adjusting the array of TX antennas. Adjusting the phase of TX antennas. Adjusting the transmit power of radio signals. Adjusting the main lobe of the beam for radio signals.

In WLAN AP static load balancing scenarios, what is the maximum number of members supported by each static load balancing group?. 6. 12. 16. 8.

Which of the following patterns can be used to identify and analyze connectivity issues using the clustering algorithms of iMaster NCE-CampusInsight? (Choose all that apply.). AC/AP. User. Vendor. SSID.

In SD-WAN networking, how many WAN links can be configured for each site to access the Internet?. 3. 2. 4. 1.

Which of the following statements are true about local Internet access? (Choose all that apply.). Internet access traffic of a site is routed out from the local Internet link to the Internet. Local Internet access policies can be configured on a per-department or per-site basis. Local Internet access applies to small enterprises or scenarios where centralized security control is not required for Internet access traffic and sites have WAN-side links for accessing the Internet. Local Internet access can be implemented in the following ways based on traffic classification: 1. All Internet access traffic is routed out from the local site to the Internet. 2. Internet access traffic of specified applications is routed out from the local site to the Internet.

Huawei's CloudCampus Solution can achieve complex WAN interconnection between multiple campus branches of an enterprise. Which of the following statements are false about this solution? (Choose all that apply.). iMaster NCE-Campus can only manage LAN-side devices. To implement interconnection between branches, iMaster NCE-WAN must be used. EVPN is a VPN technology that implements user data encryption and integrity check. It supports IPsec VPN and EVPN-based VPN solutions. The EVPN-based VPN interconnection solution supports flexible overlay networking based on hybrid WANs.

The preliminary survey is the cornerstone for network planning and is a process of obtaining planning parameters. Which of the following are the basic requirements for WLAN construction? (Choose all that apply.). Networking mode. Field strength. Bandwidth. Signal coverage area and mode.

iMaster NCE-Campus can synchronize user groups and user accounts from Active Directory (AD) and other standard Lightweight Directory Access Protocol (LDAP) servers. Administrators can enable this function when configuring user access and authentication, avoiding the need to manually add user accounts. TRUE. FALSE.

A radio of an AP can only work in either direct or tunnel forwarding mode. True. False.

In dual-link backup mode, an AP starts to set up a CAPWAP link with the standby WAC only after configurations have been delivered to the active WAC. TRUE. FALSE.

Which of the following functions are provided by a hybrid optical-electrical central switch? (Choose all that apply.). Expansion card. Wired and wireless convergence. Long-distance access.

Huawei switches integrate the native WAC functionality, thereby implementing wired and wireless convergence. Which of the following are the advantages of such switches? (Choose all that apply.). Unified management of wired and wireless services. Unified management of wired and wireless users. Independent forwarding of wired and wireless traffic. Unified wired and wireless authentication points. Separate wired and wireless policy points.

the IEEE 802.11 standard allows users on a WLAN to roam between network segments connected using a wireless bridge. TRUE. False.

Which of the following statements are true about the WLAN site survey in different typical scenarios? (Choose all that apply.). A. In a stadium scenario, the onsite environment is complex and cabling is difficult. Therefore, confirm with the property management company about ELV rooms and cabling. If the transmission distance is too long, consider deploying more switches. During the survey, focus on the interference between APs and the AP installation modes. B. In a ward-round scenario, high requirements are posed on the coverage field strength, roaming effect, and bandwidth. Determine the interference of medical equipment and the areas where Wi-Fi signals are not allowed. C. In an office scenario, the load-bearing pillars and partitions affect the signal coverage. If an integrated ceiling is used, deploy APs near maintenance access panels. If a metal ceiling is used, mount APs on the ceiling or wall. D. In a classroom scenario, if the walls are made of reinforced concrete, the signal attenuation is high. In this case, you are advised to test the attenuation during the site survey. Additionally, pay attention to the locations of ELV rooms in the teaching building.

The PoE power supply mode facilitates installation and provides convenient, stable, and secure power supply. TRUE. False.

The solar system architecture makes network deployment and operations more efficient, and the entire network more intelligent and eco-friendly. In this architecture, wired RUs support plug-and-play, but not PoE. TRUE. FALSE.

A higher antenna gain indicates stronger signals and more coverage. Therefore, an AP with a higher antenna gain is preferred in any scenario. TRUE. FALSE.

Which of the following roles are involved in the Huawei public cloud scenario of Huawei's CloudCampus Solution? (Choose all that apply.). MSP. Platform operator. Tenant. . End user.

In the Huawei public cloud scenario of Huawei's CloudCampus Solution, what is the external domain name of iMaster NCE?. device.huawei.com. register.huawei.com. register.naas.huaweicloud.com. naas.huaweicloud.com.

Which of the following IP addresses is recommended to be configured with a 30-bit mask?. Interconnection IP address. Service IP address. Management IP address.

Which of the following statements are true about the VLAN design on a campus network? (Choose all that apply.). It is recommended that a specific number of VLANs be reserved for future use. VLANs are classified into service VLANs, management VLANs, and interconnection VLANs. Typically, Layer 2 switches use VLANIF interface addresses as their management addresses. It is recommended that an independent VLAN be planned for each Layer 2 switch to reduce interference. During VLAN planning, it is recommended that consecutive VLAN IDs be allocated to ensure proper use of VLAN resources.

iMaster NCE-Campus uses BGP EVPN to establish management channels with CPEs. TRUE. FALSE.

Huawei's SD-WAN Solution consists of several layers with different functions. What are these layers? (Choose all that apply.). Control layer. User layer. Network layer. Management layer.

Which of the following statements are true about the SD-WAN topology orchestration principles? (Choose all that apply.). A routing policy is manually configured on the RR by the network administrator to control route learning at sites. A routing policy is matched by site ID to filter routes or modify the next-hop site ID. Different topology models can be specified for different service VPNs on the controller.

In email-based deployment (also referred to as URL-based deployment), a network administrator completes the deployment configuration on iMaster NCE, which then automatically generates a deployment email and sends the email to the specified mailbox. The deployment email contains a URL that provides the deployment information. After receiving the deployment email, the deployment engineer clicks the URL in the email to start the deployment process, after which devices are automatically deployed. TRUE. FALSE.

Huawei's SD-WAN Solution uses smart application control (SAC) to identify applications and uses smart policy routing (SPR) to implement application-based traffic steering. TRUE. FALSE.

Which of the following 802.1X security mechanisms is the most secure?. WAPI. WAP. WPA2. . WEP.

Which of the following are supported by the IWG solution for mutual access between SD-WAN sites and legacy sites? (Choose all that apply.). Inter-AS Option A (Layer 3 VXLAN). Inter-AS Option A (Layer 3 VLAN). Inter-AS Option B.

Which of the following are features of SD-WAN CPEs? (Choose all that apply.). A. Application-based intelligent traffic steering. B. Enterprise-level 5G egress router. C. ZTP and visualized O&M. D. CPU + NP with high forwarding performance.

In Huawei's SD-WAN Solution, which of the following routing protocols can be used on interconnection links in the dual-gateway scenario? (Choose all that apply.). EBGP. OSPF. Static routing. IBGP.

An enterprise SD-WAN network can be divided into two layers: physical (underlay) network and virtual (overlay) network, which are coupled with each other. A. TRUE. B. FALSE.

iMaster NCE-CampusInsight leverages predictive analysis and AI to improve both user and service experience. A. TRUE. B. FALSE.

Through user experience 360, iMaster NCE-CampusInsight can provide user access playback and visualize experience of each user at any time, enabling fault tracing. A. TRUE. B. FALSE.

which of the following description is not correct?. Both Ipsecc VPN and SD-WAN support partial-mesh networking. Both Ipsecc VPN and SD-WAN support hub-spoke networking. Both Ipsecc VPN and SD-WAN support full-mesh networking.

which of the following description is not correct?. Both Ipsecc VPN and SD-WAN support link rate limiting. Both Ipsecc VPN and SD-WAN support Ipsec tunnel ecrytion. Both Ipsecc VPN and SD-WAN support inter-bracnh comunicator. Both Ipsecc VPN and SD-WAN support inteligente seering (basad on applications or link quality).

In Huawei's CloudCampus Solution, devices can be deployed and brought online before the network topology is even determined. Which of the following statements is false about this implementation?. Devices can be deployed and managed by iMaster NCE even if you do not create sites or import devices on iMaster NCE. After the controller manages devices, it will then automatically determine the physical topology of the network. If there are any aggregated links between devices, STP will block redundant links because link aggregation was not configured when the devices were installed and brought online. During network deployment, an administrator can use the recommended device onboarding methods to deploy and bring devices online.

iMaster NCE-Campus displays brief information about terminals on the campus network such as their tyoes and opertating systems thereby enabling multi-dimensional thorough management of terminals . Whoch of the following cannot be used for indetifving terminals. Http user-agent. Nmap. ping. MAC OUI.

Which of the following routing protocol is not supported on the underlay WAN side of Huawei's SD-WAN Solution?. RIP. Static routing. OSPF. BGP.

Which of the following statements is false about Portal authentication?. When Layer 2 Portal authentication is used, an authentication point can identify users through their IP address and MAC address. When Layer 3 Portal authentication is used, an authentication point can identify users through IP addresses only. Compared with Layer 2 Portal authentication, Layer 3 Portal authentication is more flexible for networking, easier to control remotely, and more secure. Two Portal authentication modes are available based on the network layer where it is used: Layer 2 authentication and Layer 3 authentication.

Assume that there are two gateway routers that connect hosts on a LAN to external networks. Which of the following technologies can be applied to the two gateway routers to configure them as the default gateway for these hosts?. OSPF. DHCP. Stacking. VRRP.

In the SD-WAN interconnection solution, which of the following modes can be used to access the Internet?. Internet access using a proxy. Local Internet access. Hybrid Internet Access. Centralized Internet Acces.

Which of the following are typical deployment modes for Huawei campus switches?. Email-based deployment. Barcode scanning-based deployment via CloudCampus APP. Deployment through the registration query cente. DHCP option-based deployment.

WLAN networking supports two data forwarding modes: direct forwarding and tunnel forwarding. Which of the following statements is false about the two mode. n direct forwarding mode, an AP directly forwards user data packets to an upper-layer network without encapsulating them over a CAPWAP data tunnel. In tunnel forwarding mode, service data packets are encapsulated on an AP and then transmitted to the WAC for forwarding. The WAC X manages APs and also forwards AP traffic. Direct forwarding cannot be used in off-path WAC networking mode. In tunnel forwarding mode, user data and AP management data are carried over the same management channel.