In which direction does Application Visibility and Control mark the DSCP value of the original packet in the wireless LAN controller?
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A. B. C. D.A.
Application Visibility and Control (AVC) is a feature that provides visibility into the network traffic and allows network administrators to prioritize network traffic based on the application type. In addition to this, AVC can also mark the Differentiated Services Code Point (DSCP) value of the original packet in the wireless LAN controller (WLC).
The DSCP value is a field in the IP header of a packet that allows network devices to identify the priority of the packet. This priority is used to determine how the packet should be handled and forwarded through the network.
Regarding the direction in which AVC marks the DSCP value of the original packet in the WLC, the correct answer is D. AVC can be configured to mark the DSCP value in either upstream or downstream direction.
In some scenarios, it may be more important to prioritize traffic going from the WLC to the wireless client (downstream), while in other situations, traffic from the wireless client to the WLC (upstream) may be more critical. Therefore, the direction in which the DSCP value is marked can be configured according to the specific needs of the network.
Answer A is incorrect because it suggests that AVC marks the DSCP value in both upstream and downstream directions, which may not always be necessary or desirable.
Answer B is incorrect because it suggests that AVC marks the DSCP value in upstream direction only, which is not always the case.
Answer C is incorrect because it suggests that AVC marks the DSCP value in downstream direction only, which is not always the case.