Two Options When Studying for the 200-120 CCNA Exam

To get a CCNA certification, you choose either a one-exam or two-exam path.

When using the two-exam path, use each book separately, and take the matching Cisco exam. In other words, use the Cisco CCENT/CCNA ICND1 100-101 Official Cert Guide, then pass the 100-101 ICND1 exam, and then do the same with the Cisco CCNA Routing and Switching ICND2 200-101 Official Cert Guide and the 200-101 ICND2 exam.

The one-exam path gives you a couple of study options. The 200-120 CCNA exam covers the topics in the combined ICND1 and ICND2 books. The only question is when to read each part of the two books. Two reasonable options exist when going with the one-exam option:

Complete all the ICND1 book, and then ...

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