An administrator has set up serverA and serverB to use the /etc/hosts.equiv file so that applications on serverA can remotely run commands on serverB.
Which command will verify if a new user from serverA is trusted on serverB?（）

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?（）