A network administrator needs to deploy seven equally spaced WAPs along an underground
tunnel. Which of the following is the BEST channel design to avoid interference?

A network administrator is configuring PXE boot to reimage a computer lab. Which of the following
must be configured on the existing DHCP server to specify the IP address of the imaging server
from which the clients must boot?

During business hours, users at a small office are reporting that all of a sudden they are unable to
reach any host on the Internet, but they can still use the network shares to transfer files within the
office. Which of the following is the MOST likely cause of the outage?

A technician is configuring a new DSL router. The technician can communicate with the LAN, but
not the WAN. Which of the following is the MOST likely cause?

Which of the following antenna types has a flat circular radiation pattern?

A new employee was given the following information to connect to the corporate wireless network
for the first time:
SSID:CorporateWiFi
Encryption:WPA2
Password:SuperSecret!
The user enters the correct SSID and notices that encryption type or password are not required
when configuring the laptop in the office, and the laptop successfully connects to the Internet.
When the user brings the laptop to the conference room, a pop-up asks for the CorporateWiFi
password. Which of the following is the MOST likely cause of this behavior?

A network administrator needs to configure a port on the switch that will enable all packets on a
particular switch to be monitored. Which of the following would BEST complete this objective?

Several users are reporting that they are unable to connect to the network. After further
investigation, the network administrator notices that a newly configured Layer 2 device lost its
configuration. Which of the following MOST likely caused the issue?

In a newly installed LAN, the network administrator receives many calls about intermittent or slow
connectivity to the authentication server. Which of the following could cause this problem? (Select
TWO).

Which of the following wireless parameters may need to be modified when a new cordless
telephone is installed?