CertMage author profile

Ryan Nakamura

Networking & Infrastructure Expert

Ryan started his career at a Cisco Gold Partner and has since designed and deployed network infrastructure across three continents. With a decade of hands-on engineering, he writes exam guides that reflect real production environments rather than textbook theory. His CCNA and CCNP materials are trusted by networking students worldwide for their clarity on subnetting, routing protocols, and troubleshooting scenarios.

  • 10+Years Experience
  • 18,000+Candidates Helped
  • 110+Exam Guides Written

Credentials

Certifications & expertise

Certifications

  • CCNP
  • CCNA 200-301
  • VCP-DCV
  • LPIC-3
  • OCA

Covers

  • Cisco
  • VMware
  • Linux
  • Oracle DB
  • Juniper
  • NetApp

Published coverage

Primary topics

Article archive

Articles by Ryan Nakamura

1 published articles

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