Which of the following represents a class C netmask?
Which of the following represents a class C netmask?
How do you remove user’s account and directory?
User Bob Swanson (bswanson) has left Company.com. His data has already been removed from his directory. How do you remove his account and directory?
What do you do to convert from standard shadow passwords to MD5 passwords?
You’ve decided to convert from standard shadow passwords to MD5 passwords. You make the appropriate changes to the /etc/pam.d/ files. What do you do next?
The file /etc/ssh/ssh_host_key should be
The file /etc/ssh/ssh_host_key should be:
To see the current time set by a NTP clock, you use the command
To see the current time set by a NTP clock, you use the command:
Which crontab line solves the problem?
A cronjob must run at least every 11 minutes. The job may take up to 7 minutes to complete, and there mustn’t be two jobs at the same time. Which crontab line solves the problem?
What is the mostly likely cause of the server refuses secured connections?
Your server was rebooted. Users have complained that the server refuses secured connections. What is the mostly likely cause?
Which of the following services is NOT usually protected via TCP wrappers?
Which of the following services is NOT usually protected via TCP wrappers?
Which configuration file would you edit to change default options for outbound ssh sessions?
Which configuration file would you edit to change default options for outbound ssh sessions?
In order to log into host linux2 with the new key, what do you need to do?
You have generated a DSA authentication key on host linux1.
In order to log into host linux2 with the new key, what do you need to do?