You have a file /etc/resolv.conf, but the computer does not use the configured DNS servers to look
up host names. What is most likely the problem?

What configuration file contains the list of directories shared via NFS?

CORRECT TEXT
What kind of DNS entries are used to get the hostname of a given IP address?
Please enter exactly one word.

What command do you use to generate an OpenSSH host key?

CORRECT TEXT
The _______ command is used to modify a user’s account information.

Your FTP server has been under attack, and the ISP of the attacker has been less than helpful in
mitigating the attacks. So you decide that all connections from that ISP (badguy.example.org) to
your FTP server will be denied and sent a message. Which line in your /etc/hosts.allow will have
the desired effect?

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You want to temporarily prevent users from logging in. Please complete the following command:
touch /etc/________

Which of the following services is NOT usually protected via TCP wrappers?

Your gateway to the internet is using iptables and NAT to allow your private network to access the
Internet. You’ve verified that the gateway is not set up to block packets, but you need to verify that
it is properly masquerading them. Which of the following commands would you use to look at your

NAT tables?

CORRECT TEXT
For security reasons, the system administrator is setting up a log server. What file does the
system administrator have to edit in order to have each machine send log entries to the new log
server?