The following figure is a hypothetical corporate network with several APs. It indicates that at least one laptop computer is associated with each AP. Answer below question based on the figure.

-How many Extended Service Sets do you see in the enterprise network?
A) 1
B) 2
C) 3
D) 4
E) 9

Question

The following figure is a hypothetical corporate network with several APs. It indicates that at least one laptop computer is associated with each AP. Answer below question based on the figure.
 
-How many Extended Service Sets do you see in the enterprise network?
A) 1 
B) 2 
C) 3 
D) 4 
E) 9

Quizplus · Accepted Answer

Extended Service Set (ESS) is a set of interconnected Basic Service Sets (BSSs) and their associated APs that appear as a single WLAN to the user. Based on the figure, we can see that there are 3 different SSIDs (Service Set Identifiers) mentioned: "CorpNet-Staff", "CorpNet-Guest", and "CorpNet-Management". Each SSID can be considered as a separate ESS since clients associated with one SSID cannot communicate with clients associated with another SSID. Therefore, the correct answer is C) 3.

The Following Figure Is a Hypothetical Corporate Network with Several