The CCNA v7 Introduction to Networks (ITN) – The first course in the CCNA (Cisco Certified Network Associate) curriculum introduces the architectures, models, protocols, and networking elements that connect users, devices, applications and data through the internet and across modern computer networks - including IP
There are no prerequisites for the exam, but Cisco reports that CCNA candidates generally have the following experience prior to taking the exam: At least one year of using and implementing Cisco products and solutions.
Basic knowledge of IP addressing.
Knowledge of network fundamentals.
Connecting Networks Companion Guide is the official supplemental textbook for the Connecting Networks course in the Cisco® Networking Academy® CCNA® Routing and Switching curriculum.
This course discusses the WAN technologies and network services required by converged applications in a complex network.