Cisco's CCNA certification consists of 2 exams:
1. CCENT (stands for Cisco Certified Entry Network Technician) exam, and
2. CCNA ICND (ICND stands for Interconnecting Cisco Network Devices).
One can also pass CCNA directly by taking one exam option (640-802)
For beginners, two exam track is the preferred method of study. SimulationExams.com offers practice tests for all the exam tracks as below:
CCENT 640-822 Exam
CCNA ICND 640-816 Exam
CCNA 640-802 Exam
Downloads consist of free demo version of the exam. Interested candidates may purchase full version of the tests at Cisco Exams section of simulationexams.com
Online version of the exams is available from CertExams.com.
Register online and take demo online tests at CertExams.com
1. CCENT 640-822 Online Tests
2. CCNA ICND 640-816 Online Tests
3. CCNA 640-802 Online Tests
Several other cisco certifications are also available. Please visit the website for details.