Cisco Certified Network Associate (CCNA) The Cisco Certified Network Associate (CCNA) certification is the second level of Cisco's five-level career certification process. A CCNA certification certifies a technician's ability to install, set up, configure, troubleshoot and operate a medium-sized routed and switched computer network.
Freebase(0.00 / 0 votes)Rate this definition: Retraining. Vocational rehabilitation or retraining is the process of learning a new skill or trade, often in response to a change in the economic environment. Generally it reflects changes in profession rather than an upward movement in the same field.
A train is a form of rail transport consisting of a series of vehicles that usually runs along a rail track to transport cargo or passengers. Motive power is provided by a separate locomotive or individual motors in self-propelled multiple units. freight train (also known as goods train) uses freight cars or freight wagons (also known as trucks or goods wagons) to transport goods or materials (cargo) â essentially any train that is not used for carrying passengers.