[Jan-2024] Huawei H12-351_V1.0 Official Cert Guide PDF
Exam H12-351_V1.0: HCIE-WLAN (Written) V1.0 - ExamsReviews
Huawei H12-351_V1.0 (HCIE-WLAN (Written) V1.0) certification exam is a highly respected and sought-after certification program for IT professionals who are looking to enhance their skills and advance their careers in wireless networking. H12-351_V1.0 exam covers a wide range of topics related to wireless networking, and candidates who successfully pass the exam are recognized as experts in this field. It is an excellent investment for IT professionals who are looking to enhance their skills and advance their careers in this field.
NEW QUESTION # 24
After multicast-to-unicast conversion is enabled on an AP's air interface, which of the followings is the destination MAC address of multicast packets sent over the air interface?
- A. Multicast MAC address
- B. MAC address of the multicast source
- C. MAC address of a STA
- D. Broadcast MAC address
Answer: C
Explanation:
Explanation
After multicast-to-unicast conversion is enabled on an AP's air interface, the destination MAC address of multicast packets sent over the air interface is changed to the MAC address of a STA that has joined the multicast group. This improves the transmission efficiency and reliability of multicast packets.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/multicast-to-unicast-conversion
NEW QUESTION # 25
Which of the following statements about fingerprint-based positioning technology are true? (Select All that Apply)
- A. Terminals learn from each other to form a fingerprint library that can be shared.
- B. The positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.
- C. APs collect surrounding environment information to form a fingerprint library.
- D. The fingerprint map is obtained through onsite information collection.
Answer: B,D
Explanation:
Explanation
Fingerprint-based positioning technology is a method that uses the signal strength or phase difference of wireless signals to locate objects. There are two types of fingerprint-based positioning technology: virtual fingerprint-based positioning and real fingerprint-based positioning. In virtual fingerprint-based positioning, the positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information. In real fingerprint-based positioning, the fingerprint map is obtained through onsite information collection.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/fingerprint-based-positioning-techno
NEW QUESTION # 26
Which of the following tools are commonly used for WLAN network planning, acceptance, or health evaluation? (Select All that Apply)
- A. WLAN Planner
- B. iMaster NCE-Campuslnsight
- C. eDesk
- D. CloudCampus APP
Answer: A,B,D
Explanation:
Explanation
C is not a tool commonly used for WLAN network planning, acceptance, or health evaluation. eDesk is a tool for remote fault diagnosis and rectification on WLAN networks.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/wlan-planner
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/imaster-nce-campusinsight
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/cloudcampus-app
NEW QUESTION # 27
On a campus network, which of the following problems may occur when you manually create a static VXLAN tunnel? (Select All that Apply)
- A. If N devices need to establish VXLAN tunnels, you need to manually configure the ingress replication list up to N x (N-l)/2 times.
- B. A static VXLAN tunnel uses related protocols on the control plane, consuming device resources.
- C. Remote MAC addresses can be learned only through data flooding.
- D. Although the static VXLAN tunnel mode supports the distributed gateway scenario, the configuration involves a heavy workload and is complex to adjust.
Answer: A,D
Explanation:
Explanation
B is false because a static VXLAN tunnel does not use any protocols on the control plane, saving device resources.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/static-vxlan-tunnel
NEW QUESTION # 28
Which of the followings is an IPv6 multicast address?
- A. FF02::18C
- B. FE80:: A
- C. FC00::1
- D. 2222::11
Answer: A
Explanation:
Explanation
FF02::18C is an IPv6 multicast address. An IPv6 multicast address starts with FF and identifies a group of interfaces that belong to the same multicast group. The other options are not IPv6 multicast addresses.
2222::11 is an IPv6 unicast address, FE80::A is an IPv6 link-local address, and FC00::1 is an IPv6 unique local address.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/ipv6-multicast-addresses
NEW QUESTION # 29
In the early phase of a project, after the project requirements are clarified, the project owner should Checklist to describe the customer's requirements. (Capitalize the first letter of each word.)
Answer:
Explanation:
Customer Requirement Specification
Customer Requirement Specification (CRS) is a document that needs to be output after the project requirements are clarified. The CRS describes the customer's requirements in detail and serves as the basis for subsequent project design and delivery.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/crs
NEW QUESTION # 30
During a project lifecycle, the______ document needs to be output after the high level design be output after the low level design is complete. (Enter the acronyms in capital letters.)
Answer:
Explanation:
ATP
ATP stands for Acceptance Test Plan, which is a document that needs to be output after the low level design is complete. The ATP describes the acceptance criteria and test cases for the project.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/atp
NEW QUESTION # 31
iMaster NCE-Campuslnsight provides Intelligent radio calibration for high-load APs to increase the frequency bandwidth. This function applies to both 5 GHz and 2.4 GHz frequency bands.
- A. False
- B. True
Answer: A
Explanation:
Explanation
iMaster NCE-CampusInsight provides intelligent radio calibration for high-load APs to increase the frequency bandwidth. However, this function applies only to the 5 GHz frequency band, not to the 2.4 GHz frequency band.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/intelligent-radio-calibration
NEW QUESTION # 32
Which of the following statements about EAP relay and EAP termination are false? (Select All that apply)
- A. In EAP termination mode, an access device encapsulates EAP packets sent by an 802. IX client Into RADIUS packets, without processing the data in the EAP packets.
- B. In EAP relay mode, an access device extracts information from EAP packets, encapsulates the information into RADIUS packets, and sends the RADIUS packets to an authentication server.
- C. The EAP termination mode simplifies the processing on an access device and supports various authentication methods. However, this mode requires an authentication server to support EAP and have high processing capability.
- D. In EAP termination mode, an access device extracts client authentication information from the EAP packets sent by a client and encapsulates the information using the standard RADIUS protocol. The access device supports only the EAP MD5-Challenge authentication method.
Answer: A,C
Explanation:
Explanation
A: In EAP termination mode, an access device encapsulates EAP packets sent by an 802. IX client Into RADIUS packets, without processing the data in the EAP packets. This statement is false because in EAP termination mode, an access device extracts information from EAP packets, encapsulates the information into RADIUS packets, and sends the RADIUS packets to an authentication server2.
D: The EAP termination mode simplifies the processing on an access device and supports various authentication methods. However, this mode requires an authentication server to support EAP and have high processing capability. This statement is false because it describes the EAP relay mode, not the EAP termination mode2.
Therefore, A and D are the correct answers. References: 2:
https://support.huawei.com/enterprise/en/doc/EDOC1100086527
NEW QUESTION # 33
Which of the following methods are used in IPsec to ensure secure transmission of service data on the network through encryption and authentication?
- A. The sender verifies the identity of the receiver.
- B. The receiver rejects old or duplicate packets in order to prevent attacks initiated by malicious users who resend sniffed packets,
- C. The receiver verifies the identity of the sender.
- D. Data integrity is verified.
Answer: C,D
Explanation:
Explanation
IPsec uses authentication headers (AHs) and encapsulating security payloads (ESPs) to ensure secure transmission of service data on the network. AHs provide authentication and integrity verification for the sender and the receiver, while ESPs provide encryption and optional authentication for the data.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/ipsec
NEW QUESTION # 34
An AP may preferentially use the BTM mode to steer some STAs. With which of the following protocols are such STAs compliant?
- A. 802.11i
- B. 802.11k
- C. 802.11v
- D. 802.11r
Answer: C
Explanation:
Explanation
An AP may preferentially use the BTM mode to steer some STAs that are compliant with 802.11v protocol.
BTM stands for BSS Transition Management, which is a feature defined in 802.11v protocol that allows an AP to send a request to a STA to switch to another BSS.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/btm
NEW QUESTION # 35
Master NCE-Campuslnsight analyzes network issues during correlation analysis of poor-QoE clients, including coverage, interference throughput, and hardware issues.
- A. True
- B. False
Answer: A
Explanation:
Explanation
iMaster NCE-CampusInsight analyzes network issues during correlation analysis of poor-QoE clients, including coverage, interference, throughput, and hardware issues. It also provides suggestions for network optimization based on the analysis results.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/correlation-analysis-of-poor-qoe-clie
NEW QUESTION # 36
iMaster NCE-Campuslnsight comprehensively analyzes WLAN client access, displays success rates and time consumption of association, --------, and DHCP. It also provides issue analysis and optimization suggestions.
(Enter lowercase letters.)
Answer:
Explanation:
authentication
iMaster NCE-CampusInsight comprehensively analyzes WLAN client access, displays success rates and time consumption of association, authentication, and DHCP. It also provides issue analysis and optimization suggestions.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/client-access-analysis
NEW QUESTION # 37
To which of the following scenarios is radio calibration applicable?
- A. High-density scenario
- B. WDS or mesh backhaul scenario
- C. Rail transportation scenario
- D. Enterprise office scenario
Answer: A
Explanation:
Explanation
Radio calibration is applicable to high-density scenarios where a large number of users access the network simultaneously and require high bandwidth, such as stadiums, exhibition halls, and conference centers. Radio calibration can improve user experience by increasing the frequency bandwidth for high-load APs.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/radio-calibration
NEW QUESTION # 38
Drag the Huawei's wireless positioning solutions on the left to their corresponding features and application scenarios on the right.
Answer:
Explanation:
Explanation
According to the Huawei documents and resources, the features and application scenarios of the wireless positioning solutions are as follows:
Wi-Fi terminal positioning: Performs network-side positioning generally based on the RSSI, but provides low positioning accuracy. This method applies to scenarios such as precision marketing and customer flow analysis in shopping malls.
Bluetooth tag positioning: Runs based on the built-in Bluetooth module of an AP. The AP reports data to a positioning engine for location resolution. This positioning technology provides low positioning accuracy and applies to asset positioning and personnel positioning scenarios.
UWB positioning: Provides high positioning accuracy, and is applicable to scenarios that require high accuracy, such as intelligent manufacturing, warehousing logistics, and mechanical manufacturing.
Bluetooth terminal positioning: Runs based on the built-in Bluetooth module of an AP, which can be implemented on either the network side or terminal side.
Therefore, Wi-Fi terminal positioning - 3, Bluetooth tag positioning - 4, UWB positioning - 2, Bluetooth terminal positioning - 1 is the correct answer. References: :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/wi-fi-terminal-positioning :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/bluetooth-tag-positioning :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/uwb-positioning :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/bluetooth-terminal-positioning
NEW QUESTION # 39
Which of the following may be the reason why no data Is displayed on the telemetry management page of IMaster NCE-CampusInsight? (Select All that Apply)
- A. Telemetry data reporting is not configured on devices according to the configuration guide.
- B. Devices are not added to iMaster NCE-Campuslnsight.
- C. The network connecting devices and iMaster NCE-Campuslnsight Is faulty.
- D. The UTC time of devices is inconsistent with that of iMaster NCE-Campuslnsight.
- E. No license file is imported.
Answer: A,B,C
Explanation:
Explanation
C is false because the license file only affects the number of devices that can be managed by iMaster NCE-CampusInsight, not the data display.
E is false because the UTC time of devices does not need to be consistent with that of iMaster NCE-CampusInsight.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/data-display
NEW QUESTION # 40
In a VRRP HSB scenario, if the VRRP preemption delay is set to a small value, which of the following problems may occur after a master/backup switchover? (Select All that apply)
- A. Backup information is incomplete.
- B. The batch backup process cannot be started.
- C. Service data on the master and backup WACs is lost.
- D. A master/backup switchback is triggered too quickly.
Answer: A,D
Explanation:
Explanation
According to the Huawei documents and resources, the VRRP preemption delay is the time that an AC waits before preempting another AC with a lower priority. If the VRRP preemption delay is set to a small value, the following problems may occur after a master/backup switchover:
B: A master/backup switchback is triggered too quickly. If the master AC recovers soon after a switchover, it may preempt the backup AC again and become the master AC. This may cause frequent switchovers and affect network stability C: Backup information is incomplete. If the backup AC takes over services from the master AC too quickly, it may not have received all the data synchronized from the master AC through HSB. This may cause service interruption or data loss Therefore, B and C are the correct answers. References:
https://support.huawei.com/enterprise/en/doc/EDOC1100064368/80fc2ebd/example-for-configuring-vrrp-hsb
2: https://support.huawei.com/enterprise/en/doc/EDOC1100096325/1a753937/vrrp-hsb-configuration
NEW QUESTION # 41
Which of the following items is not involved in the HLD phase?
- A. AP position planning
- B. Deployment planning
- C. Capacity planning
- D. Network design
Answer: A
Explanation:
Explanation
According to the Huawei documents and resources, the HLD phase is the high-level design phase of a WLAN project. It involves the following items:
Capacity planning: Determines the number and types of devices required for the WLAN network based on the customer's requirements and network scale.
Network design: Designs the network topology, IP addressing scheme, VLAN division, security policies, and other network parameters for the WLAN network.
Deployment planning: Plans the deployment sequence, schedule, resources, and risks for the WLAN project.
AP position planning is not involved in the HLD phase. It is part of the LLD phase, which is the low-level design phase of a WLAN project. It involves the detailed design of AP positions, antenna types, channel allocation, power adjustment, and other wireless parameters for the WLAN network. Therefore, C is the correct answer. References: :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/wlan-project-design
NEW QUESTION # 42
Which of the followings is not a roaming optimization solution?
- A. Smart roaming
- B. Proactive roaming
- C. Fast roaming using PMK caching
- D. 802.11r roaming
Answer: A
Explanation:
Explanation
Smart roaming is not a roaming optimization solution, but a feature that allows an AP to automatically adjust its transmit power based on signal strength and interference level. The other options are all roaming optimization solutions that can reduce roaming latency and packet loss.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/smart-roaming
NEW QUESTION # 43
Drag the reasons for AP onboarding failures on the left to the corresponding troubleshooting operations on the right.
Answer:
Explanation:
Explanation
According to the Huawei documents and resources, the troubleshooting operations for the AP onboarding failures are as follows:
APS fail to be authenticated by the WAC: Whitelist the APS. The WAC can authenticate APs based on their MAC addresses or SNs. If an AP is not whitelisted on the WAC, it cannot be authenticated and onboarded.
License resources on the WAC are insufficient: Expand the license capacity. The WAC can manage a limited number of APs based on its license. If the license resources are insufficient, some APs cannot be onboarded.
APS fail to obtain IP addresses: Check the DHCP server. The APs need to obtain IP addresses from a DHCP server before they can communicate with the WAC. If the DHCP server is not configured or reachable, the APs cannot obtain IP addresses and onboard.
APS fail to ping the WAC: Check the network between the WAC and APS. The APs need to ping the WAC to discover its IP address and establish a CAPWAP tunnel. If there is a network problem between the WAC and APs, such as incorrect VLAN configuration or firewall blocking, the APs cannot ping the WAC and onboard.
Therefore, APS fail to be authenticated by the WAC - c, License resources on the WAC are insufficient - b, APS fail to obtain IP addresses - d, APS fail to ping the WAC - a is the correct answer. References: :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/ap-onboarding-failures
NEW QUESTION # 44
As shown in the figure, STA_1 through STA_4 are associated with AP_1, and STA_5 is associated with AP_2. Assuming that the load balancing threshold is 2, the load difference threshold is 25%, and API and AP2 support a maximum of 10 STAs, which of the following statements are true? (Select All that Apply)
- A. The load balancing mechanism needs to be enabled. Then some STAs are steered from AP_1 to AP__2.
- B. The load percentage of AP_1 is 40%, and that of AP_2 is 10%.
- C. The minimum load percentage is 10%, which is greater than the load difference threshold. Therefore, load balancing needs to be enabled.
- D. If load balancing is performed, the load percentage of AP_1 changes to 30%.
Answer: A,B
Explanation:
Explanation
The load percentage of an AP is calculated by dividing the number of associated STAs by the maximum number of STAs supported by the AP. In this case, the load percentage of AP_1 is 4/10 = 40%, and that of AP_2 is 1/10 = 10%. The load balancing mechanism needs to be enabled to balance the load between AP_1 and AP_2. Then some STAs are steered from AP_1 to AP_2 based on the load balancing threshold and the load difference threshold.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/load-balancing
NEW QUESTION # 45
To enable WPA3-incapable ST As to access a WPA3-conflgured network, the WI-FI Alliance defines the WPA3 transition mode in which WPA3 and WPA2 can coexist for a period of time in the future. This mode applies only to WPA3-Enterprise, not to WPA3-Personal.
- A. False
- B. True
Answer: A
Explanation:
Explanation
The WPA3 transition mode applies to both WPA3-Enterprise and WPA3-Personal. In this mode, WPA3 and WPA2 can coexist for a period of time in the future to enable WPA3-incapable STAs to access a WPA3-configured network.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/wpa3-transition-mode
NEW QUESTION # 46
Which of the following encapsulation formats are used for EAP termination in 802.1X authentication? (Select All that apply)
- A. EAP-TLS
- B. EAPoL
- C. EAPoR
- D. EAP
Answer: B,C
Explanation:
Explanation
According to the Huawei documents and resources, the encapsulation formats used for EAP termination in
802.1X authentication are as follows:
B: EAPoL: The client and access device exchange information using EAPoL packets across the LAN2.
C: EAPoR: The access device directly encapsulates the received EAP packets into RADIUS using EAP over RADIUS (EAPoR) packets Therefore, B and C are the correct answers. References:
https://support.huawei.com/enterprise/en/doc/EDOC1100086527
NEW QUESTION # 47
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