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.
retÂ·roÂ·fit. tr.v. retÂ·roÂ·fitÂ·ted or retÂ·roÂ·fit, retÂ·roÂ·fitÂ·ting, retÂ·roÂ·fits. 1. To outfit (a device, vehicle, building, or system) with newly developed or previously unavailable parts or equipment: retrofit cars with new safety features.2. To install or fit (a device or system, for example) for use in or on an existing structure, especially an older dwelling.etrofit-the act of adding a component or accessory to something that did not have it when it was manufactured; the court ordered a retrofit on all automobiles. addition-the act of adding one thing to another; the addition of flowers created a pleasing effect; the addition of a leap day every four years.