Which of the following commands can be used to limit the amount of memory a user may use? A. umask B. usermod C. ulimit D. passwd E. chage

What is a purpose of an SSH host key? A. It must be sent by any SSH client in addition to a user key in order to identify the client's host. B. It provides the server's identity information to connec...

Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH? A. sshd B. ssh-agent C. ssh-keygen D. ssh-add

Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)

Which file lists which users can execute commands using sudo? (Specify the full name of the file, including path.)

Which directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file? (Specify the full path to the directory.)

Which of the following find commands will print out a list of files owned by root and with the SUID bit set in /usr? A. find /usr -uid 0 -perm +4000 B. find -user root +mode +s /usr C. find -type sui...

Which configuration file would be edited to change default options for the OpenSSH server? A. /etc/ssh/sshd_config B. /etc/ssh/ssh C. /etc/ssh/server D. /etc/ssh/ssh_config E. /etc/ssh/ssh_server

When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this? A. debug B. lsof C. nessus D. strace E. tracero...

Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes? A. core B. edquota C. ulimit D. quota