External penetration testing is a traditional approach to penetration testing and is more
focused on the servers, infrastructure and the underlying software comprising the target. It
involves a comprehensive analysis of publicly available information about the target, such as
Web servers, Mail servers, Firewalls, and Routers.

Which of the following types of penetration testing is performed with no prior knowledge of
the site?

A.
Blue box testing

B.
White box testing

C.
Grey box testing

D.
Black box testing

Explanation:

Reference:
http://books.google.com.pk/books?id=5m6ta2fgTswC&pg=SA5-
PA4&lpg=SA5PA4&dq=penetration+testing+is+performed+with+no+prior+knowledge+of+the
+site&source=bl&ots=8GkmyUBH2U&sig=wdBIboWxrhk5QjlQXs3yWOcuk2Q&hl=en&sa=X
&ei=SgfVI2LLc3qaOa5gIgO&ved=0CCkQ6AEwAQ#v=onepage&q=penetration%20testing%
20is%20performed%20with%20no%20prior%20knowledge%20of%20the%20site&f=false