[Dec 07, 2023] H12-351_V1.0 Practice Exam Dumps - 99% Marks In Huawei Exam
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NEW QUESTION # 30
Which of the following user access authentication modes are supported In Huawel's CloudCampus Solution?
(Select All that Apply)
- A. Portal authentication
- B. MAC address authentication
- C. 802. IX authentication
Answer: A,B,C
Explanation:
Explanation
Huawei's CloudCampus Solution supports three user access authentication modes: 802.1X authentication, MAC address authentication, and Portal authentication.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/user-access-authentication-modes
NEW QUESTION # 31
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 # 32
To which of the following scenarios is radio calibration applicable?
- A. WDS or mesh backhaul scenario
- B. High-density scenario
- C. Enterprise office scenario
- D. Rail transportation scenario
Answer: B
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 # 33
Differentiated network planning needs to be performed to meet requirements of different IoT services in Huawei's CloudCampus loT solutions. Drag the solutions on the left to their corresponding network planning suggestions on the right.
Answer:
Explanation:
Explanation
According to the Huawei documents and resources, the network planning suggestions for the solutions are as follows:
Asset management: The RFID signal coverage distance is 25 m. Therefore, RFID signal coverage must be considered during AP deployment planning. Attach RFID tags on the surface or top of assets to prevent signals from being blocked.
ESL: Shelves may be blocked in application scenarios. Therefore, shelf blocking must be considered during network planning. The shelves can be deployed in aisles to minimize obstacles toward integrated base stations.
Smart healthcare: For applications that support regional positioning, positioning devices need to be deployed at key entrances and exits based on service requirements.
Therefore, Asset management - 2, ESL - 1, Smart healthcare - 3 is the correct answer. References: :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/asset-management :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/esl :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/smart-healthcare
NEW QUESTION # 34
In a dual-link HSB scenario, after an AP sets up CAPWAP links with the active and standby WACs, which of the following types of packets does the AP periodically send to the WACs to detect link status?
- A. Echo
- B. Keepalive
- C. Join
- D. DTLS
Answer: A
Explanation:
Explanation
In a dual-link HSB scenario, after an AP sets up CAPWAP links with the active and standby WACs, the AP periodically sends Echo packets to the WACs to detect link status. The Echo packets are sent every 30 seconds by default.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/dual-link-hsb
NEW QUESTION # 35
In mesh networking, APs have different roles. Drag the AP roles on the left to the role descriptions on the right.
Answer:
Explanation:
Explanation
MP: Mesh node that uses IEEE 802.11 MAC and PHY protocols for wireless communication. This node supports automatic topology discovery, automatic route discovery, and data packet forwarding. It can provide both mesh service and user access service1.
MPP: MP node that connects a WMN to MPs on other types of networks. This node can function as a portal for communication between internal mesh nodes and external networks1.
Neighbor MP: Neighboring MP with which an MP prepares to establish a mesh link1.
Candidate MP: AP that directly communicates with a mesh node2.
https://support.huawei.com/enterprise/en/doc/EDOC1100064365/90f2391e/configuration-examples-for-mesh
2:
https://support.huawei.com/enterprise/en/doc/EDOC1100169459/8d79210e/configuring-wireless-mesh-networki
NEW QUESTION # 36
Which of the following statements about fingerprint-based positioning technology are true? (Select All that Apply)
- A. APs collect surrounding environment information to form a fingerprint library.
- B. The fingerprint map is obtained through onsite information collection.
- C. Terminals learn from each other to form a fingerprint library that can be shared.
- D. The positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.
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 # 37
When a STA roams from API to AP2 at Layer 2, AP2 notifies its neighbors of from this STA is encapsulated in a tunnel and sent to API for forwarding.
- A. True
- B. False
Answer: B
Explanation:
Explanation
When a STA roams from AP1 to AP2 at Layer 2, AP2 notifies its neighbors of the MAC address learned from this STA. The MAC address is not encapsulated in a tunnel and sent to AP1 for forwarding. Instead, AP1 deletes the MAC address entry of the STA and releases the IP address lease.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/layer-2-roaming
NEW QUESTION # 38
Drag the short-range wireless IoT technologies on the left to their corresponding descriptions on the right.
Answer:
Explanation:
Explanation
According to the Huawei documents and resources, the definitions of the short-range wireless IoT technologies are as follows:
ZigBee: IEEE 802.15.4-based wireless communication technology is a short-range, and low-power wireless communication technology that supports star, mesh, and hybrid networking.
Bluetooth: With the emergence of IoT industries such as smart wearables, smart home, and Internet of Vehicles, short-range communication technologies are attracting more and more developers.
REID: Its basic principle is to automatically identify objects based on the transmission characteristics of radio signals and space coupling (inductance or electromagnetic coupling) or radar reflection.
Wi-Fi: Wireless networking technology based on IEEE 802.11 is the most popular WLAN technology.
Therefore, ZigBee - 1, Bluetooth - 3, REID - 2, Wi-Fi - 4 is the correct answer. References: :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/zigbee :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/bluetooth :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/rfid :
https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/wi-fi
NEW QUESTION # 39
Which of the following are typical 802. IX authentication modes? (Select All that apply)
- A. EAP termination
- B. EAP-MD5
- C. EAP relay
- D. EAP-TLS
Answer: A,C
Explanation:
Explanation
According to the Huawei documents and resources, EAP termination and EAP relay are typical 802.1X authentication modes between the access device and authentication server. In EAP termination mode, the access device terminates EAP packets and encapsulates them into RADIUS packets. In EAP relay mode, the access device directly encapsulates the received EAP packets into RADIUS using EAP over RADIUS (EAPoR) packets2. Therefore, A and B are the correct answers. References:
https://support.huawei.com/enterprise/en/doc/EDOC1100086527
NEW QUESTION # 40
Which of the followings is not a roaming optimization solution?
- A. 802.11r roaming
- B. Smart roaming
- C. Proactive roaming
- D. Fast roaming using PMK caching
Answer: B
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 # 41
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. The network connecting devices and iMaster NCE-Campuslnsight Is faulty.
- B. The UTC time of devices is inconsistent with that of iMaster NCE-Campuslnsight.
- C. No license file is imported.
- D. Devices are not added to iMaster NCE-Campuslnsight.
- E. Telemetry data reporting is not configured on devices according to the configuration guide.
Answer: A,D,E
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 # 42
WPA3 has the following advantages over WPA and WPA2: supports WPA3-SAE, provides a more secure handshake protocol, enhances the algorithm strength, and supports Suite A cryptography.
- A. False
- B. True
Answer: B
Explanation:
Explanation
WPA3 has the following advantages over WPA and WPA2:
Supports WPA3-SAE, which provides more secure authentication and key management than PSK.
Provides a more secure handshake protocol than 802.11i, which can resist offline dictionary attacks and protect forward secrecy.
Enhances the algorithm strength from AES-128 to AES-192 or AES-256.
Supports Suite A cryptography, which provides higher security levels for government or military networks.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/wpa3
NEW QUESTION # 43
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. Service data on the master and backup WACs is lost.
- C. The batch backup process cannot be started.
- 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 # 44
Huawei Agile Cloud Authentication (HACA) supports only IMaster NCE-Campus as the HACA server.
- A. True
- B. False
Answer: B
Explanation:
Explanation
According to the Huawei documents and resources, Huawei Agile Cloud Authentication (HACA) supports iMaster NCE-Campus as well as Agile Controller-Campus as the HACA server. HACA is an authentication method that allows users to access a network without entering user names or passwords3. Therefore, B is the correct answer. References: 3: https://support.huawei.com/enterprise/en/doc/EDOC1100086527
NEW QUESTION # 45
Which of the following types of non-Wi-R devices can be identified by Huawei APs? (Select All that Apply)
- A. 2.4 GHz wireless video and audio transmitter
- B. Game controller
- C. Bluetooth device
- D. ZigBee device
Answer: A,C,D
Explanation:
Explanation
Huawei APs can identify non-Wi-Fi devices that operate in the 2.4 GHz frequency band, such as Bluetooth devices, ZigBee devices, game controllers, wireless video and audio transmitters, microwave ovens, cordless phones, and baby monitors.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/non-wi-fi-device-identification
NEW QUESTION # 46
An AP may preferentially use the BTM mode to steer some STAs. With which of the following protocols are such STAs compliant?
- A. 802.11k
- B. 802.11i
- C. 802.11r
- D. 802.11v
Answer: D
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 # 47
Which of the following statements correctly arranges matching modes used by URL filtering in descending order of priority?
- A. Exact matching > Suffix matching > Prefix matching > Keyword matching
- B. Exact matching > Keyword matching > Suffix matching > Prefix matching
- C. Exact matching > Suffix matching > Keyword matching > Suffix matching
- D. Exact matching > Prefix matching > Suffix matching > Keyword matching
Answer: A
Explanation:
Explanation
URL filtering supports four matching modes: exact matching, suffix matching, prefix matching, and keyword matching. The priority order of these modes is as follows:
Exact matching: The highest priority. An exact match means that a URL entered by a user is exactly the same as a URL in a blacklist or whitelist.
Suffix matching: The second highest priority. A suffix match means that a URL entered by a user ends with a suffix in a blacklist or whitelist.
Prefix matching: The third highest priority. A prefix match means that a URL entered by a user starts with a prefix in a blacklist or whitelist.
Keyword matching: The lowest priority. A keyword match means that a URL entered by a user contains a keyword in a blacklist or whitelist.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/url-filtering
NEW QUESTION # 48
In 802. IX authentication using port-based access control, once a user is authenticated successfully on a port, subsequent users on this port can access the network without authentication. When the authenticated user goes offline, all other users are denied access to the network.
- A. False
- B. True
Answer: B
Explanation:
Explanation
According to the Huawei documents and resources, 802.1X authentication using port-based access control is a method that allows only one user to access the network through a port at a time. If a user is authenticated successfully on a port, subsequent users on this port can access the network without authentication. When the authenticated user goes offline, all other users are denied access to the network . Therefore, A is the correct answer. References: 1: https://support.huawei.com/enterprise/en/doc/EDOC1100086527
NEW QUESTION # 49
In a dual-link backup scenario, the active/standby link switchover mode is set to priority. When the active link recovers, the AP detects that the original active link has a higher priority and triggers a switchback. How many Echo intervals does the AP wait for before switching back to the original primary WAC?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
Explanation
In a dual-link backup scenario, when the active link recovers, the AP waits for 15 Echo intervals before switching back to the original primary WAC. This prevents frequent link switchovers caused by unstable links.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/dual-link-backup
NEW QUESTION # 50
Which of the following parameters can be allocated to clients In DHCPv6 stateful autoconflguratlon? (Select All that Apply)
- A. SNTP server address
- B. DNS server address
- C. IPv6 address
- D. PD prefix
Answer: B,C,D
Explanation:
Explanation
In DHCPv6 stateful autoconfiguration, a client obtains an IPv6 address, a PD prefix (if required), and other configuration parameters (such as DNS server address) from a DHCPv6 server.
References:
https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/dhcpv6-stateful-autoconfiguration
NEW QUESTION # 51
Which of the following statements are true about the WLAN site survey In different typical scenarios? (Select 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 AP mounting modes.
- B. In an office scenario, the load-bearing columns and partitions affect the signal coverage. If an integrated ceiling is used, deploy APs near maintenance entrances. If a metal ceiling is used, mount APs on the ceiling or wall.
- C. 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.
- 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.
Answer: A,B,C,D
Explanation:
Explanation
Only: All statements are true about the WLAN site survey in different typical scenarios.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/wlan-site-survey
NEW QUESTION # 52
Assume that a large enterprise needs to deploy a WLAN to provide wireless access for both employees and guests. However, guest data may pose security threats on the network. Which of the following networking modes is applicable to this scenario?
- A. Leader AP networking
- B. Mesh networking
- C. Fat AP networking
- D. Navi WAC Networking
Answer: D
Explanation:
Explanation
Navi WAC networking is a networking mode that uses a WLAN Access Controller (WAC) to manage and control APs. It can provide different authentication and security policies for different user groups, such as employees and guests. Guest data is isolated from the internal network to prevent security threats.
References: https://support.huawei.com/enterprise/en/doc/EDOC1100064352/9aadccc0/navi-wac-networking
NEW QUESTION # 53
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 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.
- B. 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.
- C. 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.
- 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.
Answer: B,D
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 # 54
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