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In the network shown in the figure below, the data traffic before roaming is forwarded as STA-HAP-HC-upper network, and the forwarding method is tunnel forwarding. After three-layer roaming, what is the direction of data forwarding traffic?
In the network shown in the figure below, the data traffic before roaming is forwarded as STA-HAP-HC-upper network, and the forwarding method is tunnel forwarding. After three-layer roaming, what is the direction of data forwarding traffic? A . STA-FAP-FAC-HAC-Upper Network B. STA-FAP-FAC-HAC-HAP-HAC-upper network C. STA-FAP-FAC-Upper Network D. FAP-FAC-HAC-FAC-Upper NetworkView AnswerAnswer:...
In smart roaming, sticky terminals that do not support 802.11k need to scan to obtain information of the surrounding APs to determine whether there are better neighbor APs.
In smart roaming, sticky terminals that do not support 802.11k need to scan to obtain information of the surrounding APs to determine whether there are better neighbor APs.A . True B. FalseView AnswerAnswer: B
In the network shown in the figure, how is the route selected from A to D in the pro-active mode?
In the network shown in the figure, how is the route selected from A to D in the pro-active mode? A . A-MPP-D B. A-B-D C. A-B-C-D D. A-DView AnswerAnswer: A
When the air interface frame is a management frame, how many bits are the ESS and IBSS in the Capability Info field of the management frame that can determine the device is a wireless bridge?
When the air interface frame is a management frame, how many bits are the ESS and IBSS in the Capability Info field of the management frame that can determine the device is a wireless bridge? A . 00 B. 01 C. 10 D. 11View AnswerAnswer: A
In a large-scale WLAN network, in order to improve the reliability of the C APWAP link between AP and AC, the DSCP priority of CAPWAP management messages can be configured as high priority.
In a large-scale WLAN network, in order to improve the reliability of the C APWAP link between AP and AC, the DSCP priority of CAPWAP management messages can be configured as high priority.A . True B. FalseView AnswerAnswer: A
The antenna is different from the signal amplifier. It is a passive device that does not require power supply, but only guides and shapes the wireless signal.
The antenna is different from the signal amplifier. It is a passive device that does not require power supply, but only guides and shapes the wireless signal.A . True B. FalseView AnswerAnswer: A
As shown in the figure, a point-to-point link with a length of 3km, and an office building with a height of 9.1m from the ground at the midpoint of the link, if the signal transmission frequency is 5.8GHz, please refer to the following formula according to the actual situation, what is the minimum installation height of the transmit and receive antenna from the ground?
As shown in the figure, a point-to-point link with a length of 3km, and an office building with a height of 9.1m from the ground at the midpoint of the link, if the signal transmission frequency is 5.8GHz, please refer to the following formula according to the actual situation, what...
In the WLAN outdoor long-distance point-to-point communication, if a stable communication link is to be maintained, what percentage of the first Fresnel area generally cannot be blocked?
In the WLAN outdoor long-distance point-to-point communication, if a stable communication link is to be maintained, what percentage of the first Fresnel area generally cannot be blocked?A . 0.2 B. 0.4 C. 0.5 D. 0.6View AnswerAnswer: B
As shown in the figure, a point-to-point communication link with a length of 10km, a tree with an obstacle height of 12.2m in the link, and a distance between the tree and one of the antennas is 4km, calculate the radius of Fresnel zone at 4km, if the signal transmission frequency is 5.8GHz, refer to the following formula according to the actual situation, what is the minimum installation height of the transmit and receive antenna from the ground?
As shown in the figure, a point-to-point communication link with a length of 10km, a tree with an obstacle height of 12.2m in the link, and a distance between the tree and one of the antennas is 4km, calculate the radius of Fresnel zone at 4km, if the signal transmission...
In smart roaming, which of the following methods to identify sticky terminals is correct?
In smart roaming, which of the following methods to identify sticky terminals is correct?A . When the results of 3 consecutive detection cycles are less than the set roaming threshold B. When the results of 3 consecutive detection cycles are greater than the set roaming threshold C. When the results...
