802.11n clients currently have no way to connect to the network. Which of the following devices should be implemented to let the clients connect?

An administrator is troubleshooting a user's intermittent wireless connectivity issue. Other users across the hallway can connect and use the wireless network properly. Upon inspection of the connection details, the administrator finds the following:

Which of the following is MOST likely the cause of the poor wireless connection?

At which of the following OSI model layers would a router operate?

A network technician needs to distribute an updated OS for all network switches at company locations throughout the world The technician wants to ensure file integrity since several locations do not have high-quality connectivity to the Internet. Which of the following methods should be used to distribute the images while ensuring integrity?

A network technician notices that most of the nodes in the 10.10.74.0/23 address space return either 1 or 2 node hop after running a tracert, however, some of the new servers are showing a hop count larger than 10. Which of the following is the MOST likely reason for this?