H12-311_V3.0 · Question #21
An infrastructure mode network consisting of multiple APs and the distributed systems connecting them, also known as which one?
The correct answer is C. Extended service set. Option C is correct because an Extended Service Set (ESS) is the IEEE 802.11 term for a network that joins multiple Basic Service Sets (BSS) through a distribution system, such as a wired Ethernet backbone, creating a single logical network that allows clients to roam between…
Question
An infrastructure mode network consisting of multiple APs and the distributed systems connecting them, also known as which one?
Options
- ABasic service set
- BEssential service area
- CExtended service set
- DExpanded service area
How the community answered
(36 responses)- A3% (1)
- B3% (1)
- C83% (30)
- D11% (4)
Explanation
Option C is correct because an Extended Service Set (ESS) is the IEEE 802.11 term for a network that joins multiple Basic Service Sets (BSS) through a distribution system, such as a wired Ethernet backbone, creating a single logical network that allows clients to roam between access points.
Option A, Basic Service Set, refers to a single AP and its associated clients - the building block of Wi-Fi networks, not a multi-AP arrangement. Options B and D, Essential service area and Expanded service area, are fabricated terms that do not appear in the IEEE 802.11 standard and serve as distractors.
Memory tip: Think of the word "Extended" as meaning the network has been stretched across multiple APs - an ESS extends coverage beyond what any single AP could provide on its own.
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