The Network Interface Layer of the TCP/IP model corresponds to which of the following layers of the
OSI model? (Select TWO).

Several users are reporting connectivity issues with their laptops. Upon further investigation, the
network technician identifies that their laptops have been attacked from a specific IP address
outside of the network. Which of the following would need to be configured to prevent any further
attacks from that IP address?

A client’s computer is unable to access any network resources. Which of the following utilities can a
technician use to determine the IP address of the client’s machine?

Given a subnet mask of 255.255.255.0, how many usable IP addresses would be in that subnet?

On which of the following OSI model layers would a MAC address be used?

An unusual amount of activity is coming into one of the switches in an IDF. A malware attack is
suspected. Which of the following tools would appropriately diagnose the problem?

Joe, a user, has a computer that has a link light on his network interface card (NIC); however, Joe is
unable to access the Internet. Which of the following is the cause of this issue?

A customer has requested a solution using multiple WAPs for wireless access. Which of the following
should be different on each WAP to prevent wireless problems?

Which of the following ports would have to be allowed through a firewall for POP3 traffic to pass on
its default port?

Which of the following copper cable types should be chosen to run gigabit speeds through a
dropped ceiling that returns airflow?