I’m not 100% sure but I think it’s a padlock that represents it
Answer: A user authentication
Answer:
computer virus is an spreading disease in a computer
Explanation
a virus can be spread through many ways by servers , wifi ,and the cloud
so its better to have an safe and secure firewall by your domain or you could use cloud computing to test viruses
it also can spread pretty fast so u better have a good antivirus
<span>The equivalent of the TTL(Time to Live) field in an IPv4 header is known as the Hop Limit in an IPv6 header.
</span>The IPv6 header is a streamlined version of the IPv4
header. The field Hop Limit has the size of 8 bits and indicates the maximum number of links
over which the IPv6 packet can travel before being discarded.