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單項選擇題

A system is experiencing packet routing problems,when the administrator runs 'netstat -nr' the following default routes are displayed: default165.253.251.1UG51601304 en8--default 192.168.50.1UGH01590450 en4-- Assuming the first route is correct.
How can the administrator remove the incorrect default route?()

A.route delete default 192.168.50.1
B.access smit with the route_remove shortcut
C.chdev -l inet0 -a delroute=net,-hopcount,0,,192.168.50.1
D.flush the routing table from the console and configuring the 165.253.251.1 route

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