A.all of the above it is correct
"ICMP" <span>is used for supervisory messages at the internet protocol layer.
ICMP stands for </span>Internet Control Message Protocol and it refers to a supporting protocol in the Internet protocol suite. It is utilized by network devices which includes routers and these are used to send error messages and operational data showing, for instance, that asked for service which isn't accessible or that a host or switch couldn't be come to.
Answer:
A
Explanation:
I am not 100% sure but without the shaping data, data can still be merged from multiple sources.
<span>The l</span><span>l command is the commonly predefined alias that is configured to run the ls âl command. The command ls stands for list. So instead of writing list, in Linux you only write the command ls.
The alias are </span>shortcuts and time-savers. By typing ll we'll get the current directory's listing, in long format, including hidden directories.
I believe the answer is B<span />