Definition - What does Cisco Certified Network Associate (CCNA) mean? 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.
noun. verb. The definition of a retort is a quick or witty reply. An example of a retort is a what a person would say if they were mocking someone back who just mocked her. Retort is defined as to reply to something, often in a witty or sarcastic way that turns the comment back to the previous speaker.
Retweet and retweeting are Twitter jargon for sending someone else's message to your own followers. It's a Tweet and an Action. Retweet can be a noun or a verb. Its abbreviation, RT, is basically code telling people that a particular message was originally written by someone else.