A Certkiller .com technician is troubleshooting a network error on a Certkiller .com computer. After
rebooting the computer he notices that the IP address has changed. What does this indicate?

A Certkiller .com technician cannot PING the loopback address on a computer that is configured
with a static IP address of 192.168.1.122. What could be the MOST probable cause of this
problem?

When the Certkiller .com technician runs the PING 127.0.0.1 command on a computer that is
configured with a static IP address of 192.168.1.122, he receives not reply. What could be the
MOST probable cause of this problem?

You work as a network administrator at Certkiller .com. The Certkiller .com network uses an IP
proxy that provides Network Address Translation (NAT). You have implemented IPSec for all
Internet bound traffic; however, Internet access is now no longer possible. What should is the
cause of this problem?

A Certkiller .com technician notices that there is CAT5e cabling lying on the floor in different
offices parts of the network. What should the technician do?

Which of the following is the BEST method for securing a web browser?

Which of the following preventive maintenance tasks should be performed regularly on a Certkiller
.com computer that has Internet access?

Which additional security measure does Network Address Translation (NAT) provide for
computers behind a gateway router?

Which of the following is NOT a valid access control mechanism?

Which of the following uses permissions to control access to network resources?