The network team at a university, which has on-campus residences, recently expanded the WiFi offerings to the dormitories. Each dormitory houses approximately 75 students, who each have multiple wireless devices.
The WLAN utilizes an intelligent wireless controller for configuration and management. While the WiFi in academic buildings continues to receive few to no complaints, dormitory complaints are on the rise. Which of the following is MOST likely causing the complaints?

A mobile user is no longer able to access network resources. Jeff, the network technician, is unable to ping the user's workstation. Which of the following commands would MOST likely be used on that workstation to verify its current network settings?

A network technician receives a new firmware update for a network device. The technician wants to ensure the file has not been tampered with. Which of the following techniques should the technician use to ensure the integrity of the file?

A company has just installed wireless in their office. In one corner of the office building users are not able to establish a connection. Which of the following can be changed on the AP to help resolve this issue?

A junior technician is setting up a voice control device so the Chief Executive Officer (CEO) will be able to control various things in the office. Of which of the following types of IoT technologies is this an example?