The lowest among Cisco certified courses is entry level, i.e., Cisco Certified Entry Network Technician (CCENT). The basic level expertise is covered in this course and an entry-level network support is taught. CCENT professionals are able in installing, managing, troubleshooting and securing the network of a small enterprise.No matter how trained a professional is, the organization provide training and learning sessions to them for making them even more efficient.
Mostly junior level technicians are the ones with entry level knowledge and expertise. They either learn with experience and trainings in the organizations or pursue the high level courses to grow.