H12-821_V1.0 · Question #844
The modular switch only supports using the cluster card on the main control board to establish cluster connections, it means that the modular switch uses CSS2 stacking technology.
The correct answer is B. FALSE. B is correct because the described behavior - clustering exclusively via a cluster card on the main control board - is characteristic of CSS1, not CSS2. CSS2 technology allows cluster connections to be established through service ports, eliminating the dependency on dedicated…
Question
Options
- ATRUE
- BFALSE
How the community answered
(37 responses)- A16% (6)
- B84% (31)
Explanation
B is correct because the described behavior - clustering exclusively via a cluster card on the main control board - is characteristic of CSS1, not CSS2. CSS2 technology allows cluster connections to be established through service ports, eliminating the dependency on dedicated cluster cards. The statement incorrectly maps a CSS1 limitation to CSS2.
Why A is wrong: Accepting the statement as true would conflate two distinct clustering technologies. The restriction to main-control-board cluster cards is precisely what distinguishes CSS1 from the more flexible CSS2, so labeling it CSS2 is factually backwards.
Memory tip: Think of it as CSS1 = Card-dependent, CSS2 = Service-port capable. If a switch requires a dedicated cluster card to form a cluster, it's CSS1. CSS2 "upgraded" clustering by enabling service ports - so more flexibility = CSS2.
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