About Networking A computer network is a group of computers that use a set of common communication protocols over digital interconnections for the purpose of sharing resources located on or provided by the network nodes. CCNA CCNA is an information technology certification from Cisco Systems. CCNA certification is an associate-level Cisco Career certification. The Cisco exams have changed several times in response to the changing IT trends. CCNP A Cisco Certified Network Professional is a person in the IT industry who has achieved the professional level of Cisco Career Certification. CompTIA The Computing Technology Industry Association, is a non-profit trade
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