I can attest that Windows and SQL 2005 will see 8 cores(CPUs), but it will be licensed as 2 CPUs.

Size on disk is based on individual disk geometry and how it was formatted.

The differences do not indicate the presence of a worm/virus.

AFAIK, there's no known worm that infects the SQL...

For me,  this QOD is not worth answering.

There's not enough information or the choice of answers is not complete.

Again with the trick questions. 

Here I was, thinking that the person who created the question could possibly have meant insert instead of update -...

Geez,

A lot of times I disagree with the listed correct answers because of ambiguities in the wording of the QOD.

However, in this case there are no ambiguities.

Yet, the listed answer...

"Windows Application Application Log"?