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السؤال #1
In the process of deploying WAC on the cloud, the plug-and-play feature of WAC (PnP) can be used to simplify the initial configuration and enable the WAC device to go online quickly. Which of the following protocols does the WAC use to negotiate with the upstream device (which can be a cloud switch or cloud firewall) to obtain the PnP VLAN as the management VLAN?
A. LLDPcorrect
B. SNMP
C. DHCP
D. NETCONF
عرض الإجابة
اجابة صحيحة: A
السؤال #2
When using WLAN Planner to automatically identify obstacles, which of the following types of drawings does not support the "automatic identification" function as shown in the figure?
A. PDF
B. JPG
C. PNG
D. CADcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #3
When an engineer was debugging a wireless network at a customer site, the radio frequency tuning function configured on the device did not take effect. The engineer checked the current radio frequency tuning status on the wireless controller, and the following was displayed. After analyzing the displayed information, which of the following may be the cause of the failure of radio frequency calibration?
A. No VAP template is configured on the device
B. The channel and power automatic selection functions are disabled on the device
C. AP did not detect neighbor information
D. Device tuning is not completed
عرض الإجابة
اجابة صحيحة: B
السؤال #4
In the WLAN network optimization solution, configuration optimization mainly adjusts the parameters that affect the network experience-related functions, including radio frequency parameter adjustment, authentication strategy optimization, security strategy optimization, etc.
A. The 2
B. AP The AP with ID 1 has a high utilization rate of its 5G working channel
C. The two APs are currently working on non-overlapping channels, and there is no co-channel interference
D. The AP with AP ID 1 has a high utilization rate of its 2
عرض الإجابة
اجابة صحيحة: B
السؤال #5
In the outdoor backhaul scenario, which of the following descriptions of the site selection principle is wrong?
A. If there is other Wi-Fi interference near the site, you can set it to a different channel or coordinate to turn off the interference source
B. The site should be selected away from strong electric and magnetic fields
C. The site should be located in an open area with no obstacles nearby
D. If there are obstacles near the site, the height of the pole only needs to be higher than the obstacle
عرض الإجابة
اجابة صحيحة: D
السؤال #6
As shown in the figure, in the N+1 backup networking scenario, WAC3 is configured with a global priority of 5, and WAC1 and WAC2 are configured with a global priority of 6 Configure AP1's personality priority as 3 on WAC1, and AP3's personality priority as 3 on WAC2. If WAC1, WAC2, and WAC3 are all unloaded, which WAC device will AP1, AP2, AP3, and AP4 connect to?
A. AP1 accesses WAC2, AP2 accesses WAC1 or WAC2, AP3 accesses WAC1, AP4 accesses WAC1 or WAC2
B. AP1 accesses WAC2, AP2 accesses WAC3, AP3 accesses WAC1, and AP4 accesses WAC3
C. AP1 accesses WAC1, AP2 accesses WAC3, AP3 accesses WAC2, and AP4 accesses WAC3correct
D. AP1 accesses WAC1, AP2 accesses WAC1 or WAC2, AP3 accesses WAC2, and AP4 accesses WAC1 or WAC2
عرض الإجابة
اجابة صحيحة: C
السؤال #7
In the RF tuning solution, which of the following descriptions about the dynamic frequency band adjustment function is wrong?
A. False
B. True
عرض الإجابة
اجابة صحيحة: A
السؤال #8
The terminal dial test report mainly includes three parts: an overview of the evaluation results, an overview of the manufacturer's indicators, and test details. The overview of the manufacturer's indicators mainly displays and analyzes the test results of each test item. Which of the following descriptions of the manufacturer's indicator overview in the test report is wrong?
A. Manufacturer Index Overview In addition to providing the test results of each test item, it also provides evaluation interpretation and problem location
B. When the terminal signal strength is greater than or equal to -65dBm, the indicator evaluation result is excellent
C. When the Ping packet delay is less than or equal to 10ms, the indicator evaluation result is excellent
D. When the file download rate is greater than or equal to 25 MBps, the indicator evaluation result is excellentcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #9
In a WLAN network environment, wireless client access can be controlled through blacklist and whitelist policies. Which of the following statements about blacklist and whitelist is wrong?
A. Enable the whitelist function
B. Enable the blacklist function
C. Enable the blacklist function
D. Enable the whitelist function
عرض الإجابة
اجابة صحيحة: D
السؤال #10
The overall architecture of Huawei's terminal dial-up test solution is shown in the figure below, where CampusInsight is the background analysis tool. Which of the following descriptions about CampusInsight is wrong?
A. Implement the data receiving backend server capability and be responsible for receiving and parsing the data reported by the APP
B. Provide ratings and improvement reports
C. Summarize and display the dial test data on the platform
D. Link with the device and adjust the device parameter configuration according to the dial test reportcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #11
During the STA access process, a link authentication phase is required. During this phase, which of the following security policies supports the shared key authentication mechanism?
A. WAPI
B. WFA3
C. WEPcorrect
D. WPA2
عرض الإجابة
اجابة صحيحة: C
السؤال #12
In a WLAN network, when the distance between the AP and the power supply is 300 meters, in order to meet the power supply requirements, in addition to the AP and the switch supporting PoE++ power supply, which of the following cables needs to be used for connection?
A. Category 6 network cable
B. Optical-electrical hybrid cablecorrect
C. Category 5e network cable
D. Category 7 network cable
عرض الإجابة
اجابة صحيحة: B
السؤال #13
An engineer inspected the customer's live network and found that the VRPP hot backup failed to be established. He queried relevant information through the following command line, and the following information was displayed.
A. The VRRP status is abnormal
B. The HSB link is not configured
C. HSB function is not enabled
D. The HSB channel is not connected
عرض الإجابة
اجابة صحيحة: D
السؤال #14
A customer's existing network has many old terminals, and the roaming sensitivity is high. The signal strength is already very low, but the terminal does not start roaming, resulting in a poor terminal experience. The customer requires that the terminal can switch to other APs when the signal strength is lower than -75 dBm, so the weak signal user offline control function is enabled on the wireless controller. Which of the following configuration commands for controlling the offline of weak signal users is
A. [WAC-wlan-view] rrm-profile name test[WAC-wlan - rrm-prof-test] smart-roam quick-kickoff-Threshold enable[WAC-wlan-rrm-prof-test] smart-roam quick-kickoff-threshold check-snr[WAC-wlan-rrm-prof-test] smart-roam quick-kickoff-threshold snr 75
B. [WAC-wlan-view] rrm-profile name test[WAC-wlan-rrm-prof-test] undo smart-roam quick-kickoff-threshold disable[WAC-wlan-rrm-prof-test] smart-roam quick-kickoff-threshold check-snr[WAC-wlan-rm-prof-test] smart-roam quick-kickoff-threshold snr 75
C. WAC-wlan-view] rrm-profile name test[WAC-wlan-rrm-prof-test] smart-roam quick-kickoff-Threshold enable[WAC-wlan-rrm-prof-test] smart-roam quick-kickoff-threshold check-snr[WAC-wlan-rrm-prof - test] smart-roam quick-kickoff-threshold snr 20
D. WAC-wlan-view] rrm-profile name test[WAC-wlan-rm-prof-test] undo smart-roam quick-kickoff - threshold disable[WAC-wlan-rrm-prof-test] smart-roam quick-kickoff-threshold check-snr[WAC-wlan-rrm-prof-test] smart-roam quick-kickoff-thresholds nr 20correct
عرض الإجابة
اجابة صحيحة: D
السؤال #15
Which of the following descriptions about the AC networking mode included with the board is wrong?
A. The onboard AC networking can realize the unified management of wired and wireless networks and improve the efficiency of network operation and maintenance
B. The AC can be deployed in the aggregation layer or the core layer of the network and is suitable for WLAN networks in medium and large campuses
C. Compared with independent WAC networking, on-board AC networking supports more WLAN functions and features
D. Compared with independent WAC networking, on-board AC networking can effectively reduce network construction costs
عرض الإجابة
اجابة صحيحة: C
السؤال #16
CampusInsight supports application analysis, monitors network-wide applications, and visualizes overview data such as application numbers and traffic. This function relies on the device reporting traffic statistics to CampusInsight, which supports two types of traffic statistics reporting: NetStream-based reporting and application-based reporting. When selecting application-based reporting, which of the following functions needs to be enabled on the wireless controller?
A. DFI
B. RF Tuning
C. SACcorrect
D. DA channel scan
عرض الإجابة
اجابة صحيحة: C
السؤال #17
When planning the network in a sports stadium, there are three main ways to install APs: side installation, ceiling installation, and under-seat installation. Which of the following descriptions of the three installation methods is correct?
A. When installing under the seat, it is necessary to destroy the existing building surface and add steel pipes for wiring, which is less aesthetically pleasing
B. When installing the ceiling, the construction cost is higher for the ceiling with simple structure and high height, but the anti-interference performance is better than the side cover
C. When installed on the side, the device is installed at a lower position and there is a risk of being touched by the audience, but the appearance is good
D. The transmission between the terminal and AP in the three installation methods is line-of-sight, and the loss is controllable
عرض الإجابة
اجابة صحيحة: A
السؤال #18
Which of the following authentication methods is generally used for newly built networks, concentrated users, and strict information security requirements?
A. MAC Authentication
B. 1X Authenticationcorrect
C. MAC-first Portal authentication
D. Portal Authentication
عرض الإجابة
اجابة صحيحة: B
السؤال #19
Which of the following descriptions of RF tuning solutions is wrong?
A. For radios configured with WDS bridges or Mesh links, the radio tuning A function does not take effect
B. Global tuning is performed on all APs
C. If the RF channel switch is triggered during the scanning process, the user service data delay will increase at the moment of channel switching, which may affect the wireless service experience
D. The RF tuning function is suitable for high-density scenarios and outdoor directional antenna coverage scenarioscorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #20
Which of the following descriptions about 802.11r fast roaming is wrong?
A. According to the protocol standard definition, 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: D
السؤال #21
Campusinsight wireless health refers to the comprehensive experience evaluation of a wireless network terminal, and the wireless health report can be generated and sent to customers. Which of the following descriptions about wireless health reports is wrong?
A. Wireless health reports can be sent to customers via email or WeChatcorrect
B. After selecting the start and end time as the wireless health report data analysis period, you can choose to directly download the wireless health report
C. Wireless health reports currently support sending by day, week, biweekly, month, etc
D. If you enable the scheduled sending of wireless health reports, you need to select a user group and send the report to the corresponding user group members
عرض الإجابة
اجابة صحيحة: A
السؤال #22
The CloudCampus APP mainly includes two functional modules: network and tools. Which of the following descriptions of the functions under the tool module is wrong?
A. Check terminal: obtain information about illegally accessed terminals
B. Wi-Fi status: You can view the current Wi-Fi status information, such as signal strength, channel, negotiation rate, etc
C. Game test: Test network jitter and packet loss rate
D. Test network speed: only supports Internet speed testcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #23
In a WLAN network, when the AP's transmit power is 100mW, how many dBm is equivalent?
A. 20correct
B. 1
C. 30
D. 10
عرض الإجابة
اجابة صحيحة: A
السؤال #24
How many spatial streams can a 3x2 MIMO system transmit in a WLAN network?
A. 6
B. 5
C. 2correct
D. 3
عرض الإجابة
اجابة صحيحة: C
السؤال #25
The engineer logged into CampuslInsight to inspect the customer's wireless network. By checking the wireless problem analysis (the results are shown in the figure below), it was found that one of the A devices had a non-5 priority access problem. Which of the following could not be the cause of this problem?
A. 5G power is too lowcorrect
B. 5G priority function is turned off
C. Too many access terminals
D. There is an obstacle blocking the signal
عرض الإجابة
اجابة صحيحة: A
السؤال #26
Which of the following items is not included in the Wi-Fi experience test conducted through the CloudCampus app?
A. Terminal link establishment rate testcorrect
B. Internet Performance Testing
C. Web connectivity test
D. Ping packet test
عرض الإجابة
اجابة صحيحة: A
السؤال #27
In existing network applications, there is a type of terminal that has poor roaming initiative, which is mainly manifested in that it always "sticks" to the AP it initially associated with. Even if the terminal moves far away from the currently associated AP, the signal is weak, and the rate is low, this type of terminal still cannot roam to other neighboring APs with better signals. This type of terminal is called a sticky terminal. Which of the following is a roaming optimization solution for sticky users
A. 802
B. Layer 3 roaming
C. PMK Fast Roaming
D. Smart Roamingcorrect
عرض الإجابة
اجابة صحيحة: D
السؤال #28
When an enterprise is planning the IP address of the WLAN network, considering that there are few available VLANs in the existing network, for the convenience of management, the AP management VLAN and the user service VLAN can be planned as the same VLAN.
A. False
B. True
عرض الإجابة
اجابة صحيحة: A
السؤال #29
Which of the following data encryption algorithms is used in the WEP security policy?
A. 3DES
B. AES
C. RC4correct
D. DES
عرض الإجابة
اجابة صحيحة: C
السؤال #30
A customer's existing network has a blind spot in wireless signal coverage, resulting in some wired terminals being unable to access the network. Engineers adjust the transmit power of the surrounding AF to expand the coverage and fill in the blind spots. Which of the following configuration commands for manually adjusting the AR transmit power is correct?
A. [WAC-wlan] ap-id1[WAC-wlan-ap-1] radio[WACwlan-radio-1/0] calibrate auto-txpower-select enable[WAC-wlan-radio-1/0] eirp23[ WAC-wlanradio-1/0 ] radio1[ WAC-wlan-radio-1/1 ] calibrate auto-txpower-select enable[ WAC-wlan-radio-1/1] eirp 23
B. [WAC-wlan-ap-group-ap-group1] radio[WACwlan-group-radio-ap-group1/0] calibrate auto-channel-select enable[WAC-wlan-ap-group-ap-group1] radio1[WAC-wlan-group-radio-ap-group1/1] calibrate auto-channel-select enableWAC-wlan-group-radio-ap-group1/1] quit[WAC-wlan-view] calibrate enable manua[WAC-wlan-view] calibrate manual startup
C. [WAC-wlan] ap-id 1[WAC-wlan-ap-1] radio 0[WAC-wlan-radio-1/0] calibrate auto-txpower-select disable[WAC-wlan-radio-1/0] eirp 23[WAC-wlan-radio-1/0] radio 1[WAC-wlan-radio-1/1] calibrate auto-txpower-select disable[WAC-wlan-radio
D. [WAC-wlan-ap-group-ap-group1] radio 0[WAC-wlan-group-radio-ap-group1/0] calibrate auto txpower-select enable[WAC-wlan-ap-group-ap-group1] radio[WAC-wlan-group-radio-ap-group1/1] calibrate auto-txpower-select enable[WAC-wlan-group-radio-ap-group1/1] quit[WAC - wlan-view] calibrate enable manual[ W AC-wlan-view ] calibrate manual startup
عرض الإجابة
اجابة صحيحة: C

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