Which of the following would Joe, a technician, use for a service that needs fast communication and
is unaffected by packet loss?

Which of the following is the MOST appropriate to use when routing Internet traffic through
multiple ISP connections?

A firewall that operates at Layer 7 of the OSI model is known as a(n):

Which of the following uses eight groups of characters for addressing?

Which of the following protocols would Kurt, a technician, use to synchronize local date and time of
a client workstation to that of a server?

Which of the following is an invalid MAC address?

A network technician is troubleshooting a user’s connectivity problem, and has determined a
probable cause. The technician is at which step in the troubleshooting methodology?

A technician is developing a shortcut sheet for the network to be able to assist in future
troubleshooting scenarios. Which of the following should the network devices have to ease
manageability efforts?

Which of the following network protocols is used to resolve FQDNs to IP addresses?

An administrator is using a packet sniffer to try to determine what is causing the traffic on the
network. The administrator sees a lot of packets on port 25. Which of the following traffic types is
MOST likely using port 25?