What is the main advantage of using an End-of-Row (EoR) design?
A.
A single Top-of-Rack (ToR) switch is more expensive than an EoR switch
B.
You need a separate rack to install all your EoR switches
C.
There will be fewer switches to manage (corrected typing: original said “more”)
D.
A ToR switch has only optical interfaces
The Answer Is:
C
This question includes an explanation.
Explanation:
EoR centralizes access/aggregation switches at the end of each row, reducing the number of access switches compared with ToR (one per rack), which simplifies management and often lowers Ops costs.
A, D are incorrect generalizations.
[References: ANSI/TIA-942-B §8 (Telecommunications infrastructure—HDA/EoR/ToR discussion); Cisco Data Center Access Layer CVD (EoR vs ToR design considerations)., ===========]
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