1 Subjects: “...Computer networks / Access control / http://id.loc.gov/authorities/subjects/sh2007008424...”

2 Subjects: “...Computer security / Examinations / Study guides...”

3 Subjects: “...Penetration testing (Computer security) / http://id.loc.gov/authorities/subjects/sh2011003137...”

4 Subjects: “...Computer security / Examinations / Study guides...”

5 Subjects: “...Computer networks / Security measures / Examinations / Study guides...”