在文件/etc/sudoers中,用什么符号来表示组admins?
A. @admins
B. admins
C. -admins
D. %admins
查看答案
在执行脚本时,你需要阻止sudo提示输入密码,以下哪个选项可以达到此目的?
A. -n
B. --noprompt
C. -i
D. -q
以下哪些关于Linux用户密码的说法正确? (多选)
A. Passwords should be stored in the /etc/shadow file.
B. Passwords should be stored in the /etc/passwd file.
C. Passwords are stored as salted hashes.
D. Use the pwconv utility to move passwords to the /etc/shadow file.
E. Use the passwd command to change your password.
文件/etc/shadow中包含以下哪些信息? (多选)
A. Maximum password age
B. Account expiration date
C. Password
D. Comment
E. Default shell
以下哪个用来设置将数据包路由到远程网络的设备?
A. Default router
B. Netmask
C. Host name
D. IP address
E. DNS server