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.
rebuttal - the speech act of refuting by offering a contrary contention or argument. refutation, defence, defense - the speech act of answering an attack on your assertions; his refutation of the charges was short and persuasive; in defense he said the other man started it.