CCNA is a popular certification course among computer network engineers. It is estimated that more than 1 million CCNA certificates have been awarded since it was first launched in 1998. The CCNA certificate covers a broad range of networking concepts. It helps candidates to prepare for the latest network technologies they are likely to work on.

Cisco Certified Entry Networking Technician represents the lowest level of certification which covers basic networking knowledge. Until its introduction, CCNA represented the first level of the certification program. It has appropriate use for an entry-level network support position. CCENT certified staff can install, manage and troubleshoot a small enterprise network, including basic network security.The first step towards a CCNA certification must start by having a CCENT.

In 2017, Cisco introduced new ICND1 and ICND2 exams (needed for the new CCNA Routing and Switching). ICND1: 100-105 (Interconnecting Cisco Networking Devices Part 1 v3.0) became the new exam required for CCENT.With this change, CCENT became a sufficient pre-requirement for CCNA Security, CCNA Voice and CCNA Wireless