For a small-scale enterprise, which of the following WIDS/WIPS functions is recommended for WLAN security guarantee?
Engineers of a large enterprise configure the VLAN Pool function when deploying the WLAN. Which of the following options may be the reasons for configuring the function? (Multiple Choice)
The AP detects whether the number of key negotiation failures of the key negotiation packets in the WPA/WPA2 PSK, WAPI-PSK, and WEP-Share-Key authentication exceeds the configured threshold to detect whether it is brute-forced.
From the roaming process, which of the following processes does roaming need to go through?
An engineer cannot establish a connection with the AD server during the configuration of the Agile Controller. The engineer checks the IP address of the AD directory server and the synchronization account and password are correct. The configuration of the AD directory server is not configured. The detailed configuration is shown in the following figure. What is the cause of this problem?
In the large WLAN three-layer networking, the following statement about the DHCP server is incorrect?
After setting up tunnels with the active and standby ACs, the AP sends Echo messages to monitor tunnel status. The Echo messages contain the active/standby status of the tunnels. When the AP detects that the primary tunnel fails, it sends an Echo Request message with the active flag to the standby AC. After receiving the Echo Request message, the standby AC becomes the active AC, and the AP sends STA data to this AC.
Which of the following factors will affect the calculation of the radius of the Fresnel zone in outdoor communication?
Regarding RF tuning, which of the following adjustments are made to ensure that the AP works at its best?
On a large WLAN network, you can set the DSCP priority of CAPWAP management packets to high priority to improve the reliability of the CAPWAP link between the AP and the AC.
Which are the correct procedures of Mesh route establishment in pro-active mode? (Multiple Choice)
In the N+1 backup networking shown in the figure, 300 APs (API to AP300) go online on AC1 and 400 APs (AP301 to AP700) go online on AC2. AC3 is the standby AC and a maximum of 700 online APs can be configured on AC3. However, AC3 allows a maximum of 500 APs to go online concurrently. Which of the following statements are FALSE when the configuration remains unchanged? (Multiple Choice)
The Agile Controller can synchronize data either manually or automatically. Which of the following statements is TRUE about the two synchronization modes?
Regarding the process of the Mesh node going online on the AC, is the following description correct?
In smart roaming, to determine whether a neighbor AP with better signals exists, an 802.11k-incapable STA needs to start scanning to obtain neighbor AP information.
Regarding the benefits of package-by-package power adjustment, what is the correct statement?
An AP detects brute force attacks by checking whether the number of key negotiation failures during the WPA/WPA2-PSK, WAPI-PSK or WEP-Share-Key authentication exceeds the configured threshold.
Which of the following commands is used to check whether automatic channel selection and automatic transmit power selection are enabled for APs?
In the WLAN network using the Agile Controller as the admission controller, which of the following options is not the cause of the 802.1x authentication failure?
In intelligent roaming, for a terminal that supports 802.1v, the AP can assign a target AP to it, requiring it to roam actively without kicking the user off the line.
When the AP goes online, it will go through the following stages. What is the correct order in order? 1. Determine whether to upgrade the AP 2. The AP and the AC establish a CAPWAP tunnel. 3. The AP goes online. The AC sends the service to the AP 4. The AP obtains the IP address.
What is the radius of the Fresnel zone if the distance between the receive and transmit antennas is 5 km (take the 5 GHz frequency band as an example)?
Which of the following formulas for calculating the Fresnel zone radius and Earth curvature are
TRUE?
(Multiple Choice)
Which of the following packets does an AP working in monitor mode use to determine device types?
Which of the following statements is TRUE about the DN parameter in the directory server?
On a WLAN with flooding attack detection enabled, based on which of the following items does an AP detect flooding attacks?
If time is specified as an authorization element, what is the purpose of configuring time in authentication and authorization rules?
In the N+1 backup networking, the following is true about the application of option 43?
The following is a description of the wrong description of the chain network in the Mesh network?
The following is the correct command for creating a static load balancing group?
Regarding the VRRP hot backup, what is the correct address for the AP to access the AC?
As shown in the figure, in order to prevent the STP packets from being transparently transmitted, the loops affect each other. The following does not need to enable the STP spanning tree protocol?
After channel switching without service interruption is configured on an AP, when the AP channel needs to be switched, the AP will notify associated STAs in advance and switch to the new channel with STAs at the same time without interrupting services.
Regarding the description of configuring a roaming group, the following statement is wrong?
When a neighbor passively detects, what information does the legal AP need to collect and report to the AC?
The following figure shows how to configure radio calibration. Which of the following correctly shows the configuration sequence?
Which of the following statements about radio calibration configuration and precautions are TRUE?
(Multiple Choice)
In long-distance point-to-point communication over WLAN, if a stable communication link is to be maintained, what percentage of the first Fresnel area can't be blocked?
Which of the following APs and STAs cannot communicate with each other? (Multiple Choice)
As shown in the figure, a point-to-point communication link with a length of 10km, the obstacle height in the link is 12.2m, the distance between the tree and one of the antennas is 4km, and the radius of the Fresnel zone at 4km is calculated. If the signal transmission frequency is 5.8 GHz, refer to the following formula according to the actual situation. What is the minimum installation height of the transmitting and receiving antenna from the ground?
Regarding the load sharing method of the dual-system hot backup solution, is the following statement correct?
Regarding the usage scenarios and characteristics of various ACs, is the following description correct?
Which statements about the MPC's default routing entries in the figure are TRUE? (Multiple Choice)
Which of the following are not the types of messages used in the Mesh neighbor establishment process?
Which are the conditions for the APs joining the same Mesh network? (Multiple Choice)
The APs that enable the load balancing function do not need to be connected to the same AC, but the wireless terminal can scan the SSIDs of APs that are load balanced with each other.
In the WLAN network with WIDS enabled, which of the following statements about device information is wrong?
Which of the following measures are beneficial to guide wireless terminals to preferentially associate 5G bands?
In which authentication mode can user information synchronized by the Agile Controller be used? (Multiple Choice)
In the WLAN Layer 2 networking environment, can the AP discover the AC in any of the following ways?
In the WLAN network that uses the Agile Controller as the admission control server, what is the correct statement about the authentication rules?
Regarding the description of Layer 2 roaming and Layer 3 roaming, is the following statement correct?
Taking 5GHz as an example, if the transmitting and receiving antennas are separated by 5km, the radius of the Fresnel zone is roughly?
What is the sequence of VLAN VLAN allocation for a terminal? 1. The terminal accesses from the divided VLANs. 2. Determines the VLAN Pool and VLAN algorithm bound to the VAP. 3. The terminal accesses the VAP 4. Assigns a VLAN to the terminal according to the VLAN algorithm.
In intelligent roaming, for terminals that support 802.11k, the correct step for selecting the appropriate AP is? 1. Delayed sensitive service judgment 2. Filter out APs that do not meet load balancing, filter out APs that do not satisfy CAC, and select the AP with the strongest selection signal as the target AP 5, and filter out APs that meet the threshold difference conditions.
This figure shows the WIDS attack detection process. After the dynamic blacklist is delivered to an AP, how does the AP process different data traffic during the punish period?
In a WLAN network, when the AP is in the monitoring mode, which packet does the AP use to determine the device type?
What is the correct formula for the Fresnel radius formula and the Earth curvature formula below?