Answer:
denial-of-service (DoS) attacks
Explanation:
I included my code in the picture below.
Answer And explanation
a)
has 1/
probability guess the correct source
b)
Each element in
is mapped by
/
. There are
So there are
-1 elements.
number of target elements = 
number of source elements =
-1
probability =
-1 /
c) Probability of the correct target element
1/
That it was unread that’s what mine means
Answer
Explanation:
There should be more context to this question but I would say there is a variety of things that could be seen as communication equipment, such as email, telephone, voice message, through mail.