Which of the following should be implemented in a networked environment carrying
teleconferencing packets?

Zach, a technician, suspects a NIC in a desktop computer has failed. Which of the following commands can Zach use to BEST troubleshoot this issue?

A technician wants to connect a new wireless router to a main network switch. Which of the
following cable types would MOST likely be used to establish this connection?

After a brownout, Zach, a user, can connect to the internal network, but not the Internet. Which of the following is the companys DSL router experiencing that is causing this issue?

A technician needs to verify an Ethernet run is functioning properly. Which of the following tools
should be used?

Lisa, a technician, is asked to install a wireless router in a companys public caf area. The company wants the public to be able to connect to the wireless network with minimal security, but not be able to connect to the private internal network. Which of the following firewall rules would BEST accomplish this?

Which of the following methods limits access to a network based on characteristics of the network
card?

Lisa, an administrator, attempts to open a web page and sees the following error: Error 404: Page not found. She then uses the ping command and finds that the default gateway cannot be pinged.
At which of the following layers does the problem MOST likely reside?

A router operates at which of the following layers of the OSI model?

At which of the following layers does HTML operate?