Question

to
Instant messaging refers to the real-time,
_communication between
people over the internet using
- refers to the process of confirming and verifying the claimed identity of a
user requesting connection to the IM system.
_ is a challenge response test to prompt the IM account user for entering the
string of characters shown in the image displayed on the user screen.
___are self replicating computer programs that can copy themselves to other
machines using the network.
The attack makes a computer's resources unavailable to unauthorized access.
is a network of network.
a
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Answer 1

Instant messaging refers to the real-time,

_communication between

_communication betweenpeople over the internet using