A PC technician has installed a new network printer that was preconfigured with the correct static IP
address, subnet mask, and default gateway. The printer was installed with a new cable and appears
to have link activity, but the printer will not respond to any network communication attempts.
Which of the following is MOST likely the cause of the problem?

A network technician has detected duplicate IP addresses on the network. After testing the behavior
of rogue DHCP servers, the technician believes that the issue is related to an unauthorized home
router. Which of the following should the technician do NEXT in the troubleshooting methodology?

Two weeks after installation, a network technician is now unable to log onto any of the newly
installed company switches. The technician suspects that a malicious user may have changed the
switches’ settings before they were installed in secure areas. Which of the following is the MOST
likely way in which the malicious user gained access to the switches?

When a client calls and describes a problem with a computer not being able to reach the Internet, in
which of the following places of the OSI model would a technician begin troubleshooting?

A network technician has been assigned to install an additional router on a wireless network. The
router has a different SSID and frequency. All users on the new access point and the main network
can ping each other and utilize the network printer, but all users on the new router cannot get to the
Internet. Which of the following is the MOST likely cause of this issue?

While troubleshooting a network outage, a technician finds a 100-meter fiber cable with a small
service loop and suspects it might be the cause of the outage. Which of the following is MOST likely
the issue?

A technician is troubleshooting a wired device on the network. The technician notices that the link
light on the NIC does not illuminate. After testing the device on a different RJ-45 port, the device
connects successfully. Which of the following is causing this issue?

An organization requires a second technician to verify changes before applying them to network
devices. When checking the configuration of a network device, a technician determines that a
coworker has improperly configured the AS number on the device. This would result in which of the
following?

When configuring a new server, a technician requests that an MX record be created in DNS for the
new server, but the record was not entered properly. Which of the following was MOST likely
installed that required an MX record to function properly?

A company has had several virus infections over the past few months. The infections were caused by
vulnerabilities in the application versions that are being used. Which of the following should an
administrator implement to prevent future outbreaks?