Which feature is least important for a WAN aggregation router? (Select one.)

A.
Port adapters ranging from NxDS0 to OC-12

B.
Three built-in Gigabit Ethernet ports on the routing engine

C.
Cisco StackWise technology

D.
LAN and WAN interfaces with up to 48 ports per chassis

Explanation:
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Exam Name: Advanced Routing and Switching for Account Managers Exam Type: Cisco
Exam Code: 646-046 Total Questions 92