In which level of threats of the SAN are threats large scale attacks and difficult to prevent?

A.
Level three

B.
Level one

C.
Level four

D.
Level two

Explanation:
Storage area network transfers and stores crucial data: often, this makes storage area network vulnerable to risks. There are three different levels of threats faced by the SAN:
Level one: These types of threats are unintentional and may result in downtime and loss of revenue. However, administrators can prevent these threats. Level two: These types of threats are simple malicious attacks that use existing equipments.

Level three: These types of threats are large scale attacks and are difficult to prevent. These threats come from skilled attackers using uncommon equipments.