<s>
In	O
Informatics	O
,	O
dummy	B-General_Concept
data	I-General_Concept
is	O
benign	O
information	O
that	O
does	O
not	O
contain	O
any	O
useful	O
data	O
,	O
but	O
serves	O
to	O
reserve	O
space	O
where	O
real	O
data	O
is	O
nominally	O
present	O
.	O
</s>
<s>
Dummy	B-General_Concept
data	I-General_Concept
can	O
be	O
used	O
as	O
a	O
placeholder	O
for	O
both	O
testing	O
and	O
operational	O
purposes	O
.	O
</s>
<s>
For	O
testing	O
,	O
dummy	B-General_Concept
data	I-General_Concept
can	O
also	O
be	O
used	O
as	O
stubs	O
or	O
pad	O
to	O
avoid	O
software	O
testing	O
issues	O
by	O
ensuring	O
that	O
all	O
variables	O
and	O
data	O
fields	O
are	O
occupied	O
.	O
</s>
<s>
In	O
operational	O
use	O
,	O
dummy	B-General_Concept
data	I-General_Concept
may	O
be	O
transmitted	O
for	O
OPSEC	O
purposes	O
.	O
</s>
<s>
Dummy	B-General_Concept
data	I-General_Concept
must	O
be	O
rigorously	O
evaluated	O
and	O
documented	O
to	O
ensure	O
that	O
it	O
does	O
not	O
cause	O
unintended	O
effects	O
.	O
</s>
