Videoconferencing, as most people use that. <span />
Answer:
D and B
Explanation:
Multicellular organisms thus have the competitive advantages of an increase in size without its limitations. They can have longer lifespans as they can continue living when individual cells die. Multicellularity also permits increasing complexity by allowing differentiation of cell types within one organism.
Answer: Windows
Explanation:
ShellShock: Also called Bashdoor, it is a security bug which is found in the Bash shell of operating system e.g. Unix. It allows the hacker to execute scripts and commands by gaining unauthorized access. This affects many machines, devices that use Bash. Servers like web servers are most affected as most of them run Unix based OS like OS X. Most vulnerable are those who use Unix or Linux operating systems.
Microsoft Windows does not use Bash so it does not directly affect Windows os. For those who are using Windows PC, Windows phones and websites that are developed by MS software are non-vulnerable to ShellShock.
Answer:
Firewalls
Explanation:
A firewall is simply a network security system whose main duty is. to prevent unwanted access to. private network.
Firewalls is measures to protect your computer against threats from human actions.
It is also the one singular thing that prevents you from accessing the file on your friends system.
