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單項選擇題

Which configuration command allows the ERX Edge Router to perform Unicast Reverse Path Forwarding lookups on all packets received on an IP interface?（）

A. ip sa-validate
B. ip split-horizon
C. ip access-routes
D. ip filter-options

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單項選擇題

What are the maximum number of classifiers per policy group?（）

A. 100
B. 128
C. 256
D. 512

多項選擇題

Which two statements are true about precedence values in policy?（） (Choose two.)

A. 1 is the default precedence.
B. A lower number is preferred.
C. A higher number is preferred.
D. 100 is the default precedence.