多项选择题

Which three Layer 2 access designs have all of their uplinks in an active state?（）

A. Flex Links
B. loop-free U
C. looped square
D. looped triangle
E. loop-free inverted U

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多项选择题

Which three objectives would be met by designing Layer 3 switching in the Campus Backbone of a medium 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

多项选择题

Which three Layer 2 access designs have all of their uplinks in an active state？（）

A.Flex Links
B.loop-free U
C.looped square
D.looped triangle
E.loop-free inverted U

单项选择题

When BGP tuning is used， how is packet flow into the e-commerce module controlled？（）

A.by tracking the status of objects along the path to the e-commerce module
B.by detecting undesirable conditions along the path to the e-commerce module
C.by using the MED to communicate the site preferences for traffic to multiple ISPs
D.by communicating the available prefixes， routing policies， and preferences of each site to its ISP
E.by moving the SLB to a position where selected traffic to and from the servers does not go through the SLB