An administrator needs to block a virus infected computer. Which of the following provides the HIGHEST level of network security?

Which of the following protocols operates locally between a client and a router to negotiate the flow of multicast traffic?

Which of the following routing protocols would a technician use if they needed to connect multiple large networks together where routers advertise all routes to each other?

For the BEST performance, wireless signals should use:

A company is growing rapidly and is looking for ways to reduce time spent on IT infrastructure administration. The administrator has decided one way to meet this need will be to reduce 802.1q management duties. Which of the following technologies would help centralize 802.1q management?

Due to space limitations, LAN cables were installed directly over power lines to certain offices. The offices have been reporting network connectivity issues. Which of the following MOST likely represents the cause of the issues?

Which of the following TCP/IP and OSI model layers retransmits a TCP packet if it is not received successfully at its destination?

Which of the following devices needs to be installed FIRST before implementing a WLAN?

After receiving reports of network performance issues, the technician sees a 12ms return time when pinging the remote site. Which of the following should the technician do NEXT?

Which of the following services typically has the highest amount of latency?