The following are  the subject exams currently available in each of the main areas of Computer Science. Passing one of the subject exams in one of the four main CS areas (Theory, Systems, Software, and Applications) is necessary to satisfy the depth requirement of the PhD qualification.

Theory Area

• Algorithms and Theory Subject Exam (Faculty: Gacs, Homer, Levin)

Systems Area

• Networking Subject Exam (Faculty: Bestavros, Byers, Crovella, Matta)

Software Area

• Programming Language Subject Exam (Faculty: Kfoury, Xi)

Application Area

• Computer Vision (Faculty: Betke, Sclaroff)
• Cryptography (Faculty: Itkis, Reyzin)

For more information, and for details regarding how the subject exam fits in the bigger picture of completing a PhD degree, you may want to check the various PhD degree milestones.