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Which of the following is the highest security strength of the encryption algorithm?
Signal field strength calculation formula: (do not consider interference, line loss and other factors)?
Which of the following technologies can be used in a WLAN high-density deployment scenario?
In HT40 mode, the primary channel sends beacon packets and some data packets, and the secondary channel sends other packets.
The WLAN high-density venue business can achieve 100% concurrent users under a good experience.
A company deploys an outdoor WLAN. The AP device is Huawei's outdoor AP6510DN. In order to save costs, engineers plan to pass AC6605
Powering the AP directly. The AC6605 only has a 500 W PoE power module. The AC6605 requires 120 W for normal operation.
Rate, then how many AP6510DN can the AC6605 supply?
If you use a layered network design method in enterprise network design, what are the three levels of network?
Which of the following objects or materials has the highest penetration loss to WLAN signals?
On the Huawei chassis switch S12708, the ACU2 board has a larger AP capacity than the X1E board.
In the WLAN coverage, the accuracy of wireless positioning is closely related to AP signal coverage.
When conducting WLAN security planning, in order to support guest registration, what is the recommended authentication method for visitors?
Which of the following channels and adjacent channels have adjacent channel interference?
Under the following conditions, if you want to deploy WLAN without interrupting service, please choose () controller as the best strategy:
Enterprise wireless terminals are 500, with notebooks, smart phones, wireless cameras, etc.; enterprise switching network access layer is 3700 series switching
The core layer is the 5700 series switch. The company's export is the NE20 router. Enterprises need to implement user grouping and QOS policies.
The device selected for a WLAN project is AC6605. Which of the following networking scenarios is applicable to this independent AC solution?
In the coverage area, only the area where the field strength is required is selected (B), and the area with the specified number of bandwidth requirements is selected (A), and there is no concern whether there is a signal. Area selection?
During the WLAN survey, the engineer needs to determine the coverage target requested by the customer. The coverage currently includes: the main coverage target and the secondary coverage target.
And special targets, the field strength within the main coverage target needs to reach between -65dBm ~ -85dBm.
Which of the following commands can view the output power of a specified interface?
Users use the WLAN Tester 2.0 tool to perform the survey and must load the network card before starting the survey.
Regarding the NIC loading, the following statement is correct?
From the general business application of the high-density stadium, which of the following requires the lowest bandwidth?
In WDS point-to-multipoint mode, how many Leaf APs can I connect to a single Root AP?
The directional antenna can not only improve the signal strength of the downlink AP, but also improve the signal strength of the uplink terminal received by the AP.
When using a fat AP and a terminal to test the attenuation of an obstacle, it is best to bring the signal source close to the wireless terminal and the obstacle so that the test data is accurate.
In the 3-hop co-frequency chain Mesh, assuming that the throughput of the MPP is 60 Mbps and the throughput under each MP is the same, the throughput of each MP is
How many?
What is the correct description of the CAPWAP broken link business retention function?
Which of the following are the areas of interest for a WLAN survey outdoor bridge scenario?
When the WLAN is covered outdoors, the following description is correct about the antenna hanging high?
In the WLAN Tester 2.0 tool, when a vendor group information is added to an AP packet in the global configuration, can one vendor correspond to several OUIs?
The following is about using the AP6310SN to create a new WLAN room subsystem. What is wrong with this?
Which of the following WLAN protocols can achieve a theoretical rate of more than 1G?
Basic requirements for WLAN network construction include bandwidth requirements, coverage targets, coverage methods, field strength requirements, and power distribution methods.
Determining the strength of the coverage area in the field strength requirement is adjusted by the AP transmit power. The following statements are correct regarding the requirements that the network regulation needs to consider in advance.
Is it?
In order to enable visitors to access the Internet through the WLAN network, the global pool is used to assign addresses to users. The following are not mandatory?
When WLAN outdoor coverage planning is to ensure no interference, the uplink and downlink field strength is not less than -75dBm to ensure the service experience of the edge coverage.
The AC is configured as follows. How long does it take to open RTS/CTS when the length of the packet exchanged between the terminal and the AP?
[AC6605-wlan-view] radio-2g-profile name default
[AC6605-wlan-radio-2g-prof-default] rts-cts-mode rts-cts
[AC6605-wlan-radio-2g-prof-default] rts-cts threshold 1500
Which of the following statements about directional antennas and omnidirectional antennas is correct?
What is the difference between the center frequency values ??of two adjacent channels at 2.4 GHz?
A wireless AP and wireless terminal support MIMO 2*2. When the AP works in HT20 mode, which of the following data is closest to the wireless terminal?
Throughput (the terminal is in the key coverage area)?
In the backhaul scenario where the AP6510DN is connected to the AT815SN in point-to-point, the return distance is about 100m. The six AT815SNs are distributed in a length of 60 meters and wide.
Within 60 meters, the equipment is installed at the same height and has a line of sight.
When the upstream bandwidth requires 10 Mbps and there is no EIRP limit, which of the following antennas can be selected?
The penetration loss of the following typical obstacles is the correct order from small to large?
WLAN engineers need to test the actual attenuation values ??of different channels in an obstacle in the room. Which of the following steps is correct?
1. Configure the 2.4G and 5G signals of the fat AP, place and turn on the signal source.
2. Select the obstacle to be tested
3. Using the signal scanning tool, test the field strength of the signal on both sides of the obstacle.
4. The subtraction of the two can calculate the attenuation value of the obstacle.
Regarding the description of the AP9330DN feeder, what is wrong with the following statement?
In the WLAN site survey, what is the correct statement about the need to confirm the AP installation location and related equipment installation in the coverage scenario?
Regarding the deployment of the AP9330DN room division program, which of the following factors need to be considered?
Which of the following is not part of the capacity requirements analysis and planning in a high-density scenario?
When using two ACs for VRRP networking, in order to assign the correct address and gateway to the AP, which of the following address allocation schemes cannot be used?
The outdoor bridge backhaul needs to focus on confirming the installation of the AP at the node and paying attention to the transmission path between the nodes.
What is the correct statement about leaf nodes, aggregation nodes, and transmission paths?
Which of the following options are characteristic of the business needs of high-density venues?
Which of the following factors should be considered when using an outdoor AP for WLAN outdoor network planning?
In the direct forwarding mode of the bypass network, what are the descriptions of the following WLAN HA technologies?
In some special environments, more APs need to be used, and the channels cannot be completely separated. Therefore, you can consider reducing the transmit power of the AP to reduce the letter.
Interference between the numbers.
In the 5W of the refined policy control in the Huawei WLAN network solution, What is the control method?
When using the WLAN Tester 2.0 tool, the dot speed is preferably controlled from 0.8m/s to 1.2m/s. What is the correct statement about the dot speed?
In the antenna angle alignment aid, how many progress bars will become red when the RSSI exceeds, indicating that the signal is too strong?
Which of the following statements about the merge path of the WLAN Tester 2.0 tool is correct?
In the outdoor backhaul scenario, the line of sight is met and there is no interference requirement. When the return distance does not exceed 1km, the uplink bandwidth requirement is 0.5Mbps, and the EIRP is not.
Restricted, AP external antenna 17dBi_H65 degrees _V7.5 degrees, the maximum number of AT815SN docked by a single AP?
As shown in the figure below, a city will install cameras (2 per school) in the entrances of multiple schools (yellow points in the picture). The camera does not support wireless functions, and there is only one network port. There is no switch on site, customers want to pass The WLAN passes the data back to the location of Main C4 in the figure (red standard
Note), the two points connecting the red line in the figure are 3km apart.
According to the calculation of 2Mbps bandwidth for each camera, there is a line of sight between the school gate and Main C4. Which of the following solutions can meet the above scenarios?
begging?
Seeking to use the open standard IGP protocol and supporting the partitioning function. Which of the following protocols is most preferred?
Regarding the functions of the Huawei WLAN Survey PAD survey tool, is the following statement correct?
What is wrong about the description of antenna azimuth and downtilt below?
In a WDS scenario, how many Leaf APs can a Fire AP associate with without considering bandwidth?
For WLAN outdoor coverage planning, what is the recommended coverage radius when using an external 2.4G 3dBi omnidirectional antenna?
TESTED 19 May 2024
