A user updated an iOS smartphone and is now having issues connecting to the Internet. The phone shows 1x for signal strength while making calls. Which of the following are the MOST likely causes of these issues? (Choose two.)

A company seized an employee's laptop due to illegal activity. The computer has been locked in an office until it can be turned over to authorities, and no one is allowed to log on to it.
Which of the following policies is this an example of?

A customer Is having trouble opening several files on a computer.
The customer renames one of the files, but then the correct program will no longer open it.
Which of the following settings is a solution to the issue?

To implement additional security on a small office wireless network, the administrator disables the DHCP server on the wireless router. To ensure traffic from specific network interfaces is able to traverse the router, which of the following should be used to limit traffic?

An administrator needs to uninstall an update on a Windows 7 computer. Which of the following Control Panel utilities would make this possible?