Which two statements correctly describe an extended service set (ESS)? (Choose two.)
A.
Each BSS within the ESS share a common BSSID.
B.
Each BSS within the ESS has its own unique BSSID.
C.
The SSID is common across all BSSs within the ESS.
D.
The SSID is unique across all BSSs within the ESS.
The Answer Is:
B, C
This question includes an explanation.
Explanation:
According to the Lecture 3 - Radio Frequency and Antenna Fundamentals - Part 2 document2, an extended service set (ESS) is a group of basic service sets (BSSs) that share a common SSID and are connected by a distribution system (DS). Each BSS within the ESS has its own unique BSSID, which is the MAC address of the AP.