Which statement about the ToR design model is true?
A.
It can shorten cable runs and simplify rack connectivity.
B.
Each ToR switch must be individually managed
C.
Multiple ToR switches can be interconnected to provide a loop-free spanning-tree infrastructure.
D.
It can connect servers that are located in separate racks
Explanation:
ToR is a data center network design in which a feature-rich 10GbE switch handles L2 and L3 processing, data center bridging and Fibre Channel over Ethernet
(FCoE) for an entire rack of servers.
Each rack is connected to the data center with fiber. Therefore, there is no need for a bulky and expensive infrastructure of copper cabling running between racks
and throughout the data center. Large amounts of copper cabling places an additional burden on data center facilities as bulky copper cable can be difficult to route,
can obstruct airflow, and generally requires more racks and infrastructure dedicated to just patching and cable management. Long runs of twisted pair copper
cabling can also place limitations on server access speeds and network technology. The Top of Rack data center design avoids these issues as there is no need to
for a large copper cabling infrastructure. This is often the key factor why a Top of Rack design is selected over End of Row.
