多选题Which two statements are true about the role of split horizon？（）AIt is a function used by routing protocols to install routes into routing tableBIt is a function that prevents the advertising of routes over an interface that the router is usingto reach a routeCIts function is to help avoid routing loops.DIt is a redistribution technique used by routing protocols
多选题
Which two statements are true about the role of split horizon？（）
A
It is a function used by routing protocols to install routes into routing table
B
It is a function that prevents the advertising of routes over an interface that the router is usingto reach a route
C
Its function is to help avoid routing loops.
D
It is a redistribution technique used by routing protocols
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