The hypervisor which works on older PC's without hardware virtualization support is called VirtualBox. It is a software allows you to run operating systems in special environment which is called virtual machine. It means that you can run another OS without re-installing existing one.
The already-long problem on hacking and other security-related cases necessitates for the application builders to check the data received from unknown sources. To further strengthen the security, even data received from known sources also need to be check as these may also contain harmful viruses creating critical problem to the application.
Answer:
WiFi, Ethernet, Broadband, Dial-up. Any of those.
Explanation:
Network connections are all different. Those listed are some of the many examples of network connections.
