多项选择题
Which three objectives would be met by designing Layer 3 switching in the Campus Backbone of amedium size installation? ()
A. scale to a large size
B. increase router peering
C. provide a flexible topology with no spanning tree loops
D. control broadcasts in the backbone
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D. GRE with IPSec in tunnel mode -
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It’saconfigurationthatexpertsarecallinga"firewallsandwich,"withthesecondfirewallprovidingasecondlevelofloadbalancingaftertrafficdown.Whatismeantbytheterm"firewallsandwich"?()
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