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CCNA (Cisco Certified Network Associate) is an entry-level information technology (IT) certification offered by Cisco Systems. CCNA certification is widely recognized in the IT industry as the foundational step for careers in IT positions and networking roles. [1] [2] Cisco exams routinely change in response to evolving IT trends. [3]
Luhn algorithm. The Luhn algorithm or Luhn formula, also known as the " modulus 10" or "mod 10" algorithm, named after its creator, IBM scientist Hans Peter Luhn, is a simple check digit formula used to validate a variety of identification numbers. It is described in US patent 2950048A, granted on 23 August 1960. [1]
Cisco Certifications are the list of the Certifications offered by Cisco Systems.There are four to five (path to network designers) levels of certification: Associate (CCNA/CCDA), Professional (CCNP/CCDP), Expert (CCIE/CCDE) and recently, Architect (CCAr: CCDE previous), as well as nine different paths for the specific technical field; Routing & Switching, Design, Industrial Network, Network ...
Dichotic listening. Dichotic listening is a psychological test commonly used to investigate selective attention and the lateralization of brain function within the auditory system. It is used within the fields of cognitive psychology and neuroscience . In a standard dichotic listening test, a participant is presented with two different auditory ...
Active listening is the practice of preparing to listen, observing what verbal and non-verbal messages are being sent, and then providing appropriate feedback for the sake of showing attentiveness to the message being presented. [ 1] Active listening is listening to understand. [ 2] This form of listening conveys a mutual understanding between ...
Listening. Listening in conversation. Listening is giving attention to a sound. [ 1] When listening, a person hears what others are saying and tries to understand what it means. [ 2] Listening involves complex affective, cognitive, and behavioral processes. [ 3] Affective processes include the motivation to listen to others; cognitive processes ...
Teaching English as a second ( TESL) or foreign language ( TEFL) and teaching English to speakers of other languages ( TESOL) are terms that refer to teaching English to students whose first language is not English. The terms TEFL, TESL, and TESOL distinguish between a class's location and student population, [1] and have become problematic due ...
The Michigan English Test ( MET) is a multilevel, modular English language examination, which measures English language proficiency in personal, public, occupational and educational contexts. [1] It is developed by CaMLA, a not-for-profit collaboration between the University of Michigan and the University of Cambridge and has been in use since ...