【单选题】A system administrator would like to modify the system default user characteristics so that each new user will now be assigned (by default) the csh shell rather than the ksh shell. Which of the follow...
A.
Run the command chlogin -shell "csh"
B.
Run the command mkuser -default "SHELL=csh"
C.
Edit /etc/passwd and change all "ksh" entries to "csh"
D.
Modify the contents of /usr/lib/security/mkuser.default file
【多选题】By default, each port in a Cisco Catalyst switch is assigned to VLAN1. Which two recommendations are key to avoid unauthorized management access? ()
A.
Create an additional ACL to block the access to VLAN 1.
B.
Move the management VLAN to something other than default.
C.
Move all ports to another VLAN and deactivate the default VLAN.
D.
Limit the access in the switch using port security configuration.
E.
Use static VLAN in trunks and access ports to restrict connections.