With the latest version of the CCNA exam, Cisco offers two possible exam track options of either one or two exams.
1) The Single Exam Approach
Exam Number: 640-801 CCNA
The exam consists of 55-65 questions over 90 minutes and covers all CCNA exam topics
The topics covered on the exam include:
2) The Two Exam Approach
Exam Numbers: 640-821 and 640-811
The two exam approach consists of 640-821 exam (Introduction to Cisco Networking Technologies, or CCNA INTRO) and 640-811 (Interconnecting Cisco Network Devices, or CCNA ICND)
640-821 CCNA consists of 45-55 questions over 75 minutes and covers the topics: