Which of the following tools will scan a network for hosts and provide information on the installed
operating system?

Which of the following protocols is used to detect and eliminate switching loops within a network?

A network technician is configuring a new firewall for placement into an existing network
infrastructure. The existing network is connected to the Internet by a broadband connection. Which
of the following represents the BEST location for the new firewall?

A company would like their technicians to be able to connect to employee desktops remotely via
RDP. Which of the following default port numbers need to be opened on the firewall to support
this?

Which of the following are valid hosts for the Private IP Address range 172.16.0.x /23? (Select
TWO).

An administrator needs to open ports in the firewall for both DNS and eDNS. Which of the
following default ports would need to be opened on the firewall? (Select TWO).

The MAC address of a network device is used to communicate at which of the following OSI
layers?

192.168.0.7/8 notation denotes which of the following IPv4 subnet masks?

A technician has resolved a ticket to fix a user’s printer and has verified that the user is able to
print with no issues. Which of the following action steps should the technician perform FIRST?

Which of the following TCP/IP model layers combines four OSI model layers?