Enterprise networking and IT are certification-driven. This overview maps the main vendor-neutral (CompTIA) and vendor (Cisco, Juniper) networking tracks, structured-cabling design (BICSI RCDD), and security (CISSP) — what each covers and how they ladder.
Most network engineers start with a vendor-neutral foundation (CompTIA Network+/Security+), then specialize in a vendor track (Cisco CCNA → CCNP → CCIE, or Juniper). Cabling designers pursue BICSI RCDD, and security professionals add CISSP. Certifications expire and must be renewed, so plan for continuing education.
CompTIA’s foundational IT certification — hardware, OS, networking and security basics.
Starting an IT career on A+ alone? This adds 150 more original questions across both Core 1 and Core 2 so you walk into the testing center with fewer surprises. Finish the exam and get an instant pass/fail score, a breakdown showing exactly which domains — hardware, networking, OS, security — need another pass before you book your real appointment, and a full question-by-question review with a written explanation for every answer, including the ones you missed. Instant online access after purchase, good for 90 days.
Or skip picking — the All-Access Pass unlocks every Professional Program, exam, and premium guide on the site, including anything added later, for one flat price.
Vendor-neutral foundation in networking concepts, media and troubleshooting.
Subnetting and troubleshooting scenarios are where most Network+ candidates get tripped up — this adds 150 more original questions built to stress-test exactly those areas. When you finish, you get an instant pass/fail score, a topic-by-topic breakdown that shows precisely which networking concepts still need work, and a full question-by-question review with a written explanation for every question, including the ones you got wrong. Instant online access after purchase, good for 90 days.
Or skip picking — the All-Access Pass unlocks every Professional Program, exam, and premium guide on the site, including anything added later, for one flat price.
Vendor-neutral baseline security certification.
150 original questions going deeper than the free exam above — trickier scenarios and more application-level questions. Instant online access after purchase, good for 90 days.
Or skip picking — the All-Access Pass unlocks every Professional Program, exam, and premium guide on the site, including anything added later, for one flat price.
Cisco’s associate-level networking certification.
CCNA is a career-changer, and 150 more original questions on routing, switching, IP services and automation help you find the gaps before Cisco does. Finish the exam and get an instant pass/fail score, a topic-by-topic breakdown showing exactly which networking areas need more study, and a full question-by-question review with a written explanation for every question — including the ones you missed. Instant online access after purchase, good for 90 days.
Or skip picking — the All-Access Pass unlocks every Professional Program, exam, and premium guide on the site, including anything added later, for one flat price.
Cisco’s associate-level certification for network automation and programmability.
Professional-level enterprise networking (core + concentration).
Professional-level security certification — the 350-701 SCOR core exam.
Expert-level certification with a hands-on lab exam.
Expert-level security certification with a hands-on lab exam.
The premier credential for structured-cabling and telecom infrastructure design.
Senior, vendor-neutral information-security certification.
| Credential | Prerequisite | Typical experience | Administered by |
|---|---|---|---|
| CompTIA Network+ / Security+ | None (experience advised) | ~1–2 years* | CompTIA |
| Cisco CCNA | None | ~1 year* | Cisco |
| Cisco CCNP Enterprise | CCNA-level | 3–5 years* | Cisco |
| Cisco CCIE | Qualifying exam | Expert* | Cisco |
| BICSI RCDD | ITS design experience | Application approval* | BICSI |
| CISSP | Security domains | 5 years* | (ISC)² |
* Experience hours and prerequisites vary significantly by state, jurisdiction and credential level. Figures shown are typical ranges, not legal requirements.
Networking certs reward hands-on configuration. Use Cisco Packet Tracer, GNS3, EVE-NG or real gear to practice — especially for CCNA/CCNP and the CCIE lab.
Fast, accurate subnetting underpins Network+ and CCNA. Drill it until it’s automatic — and rehearse with the studio’s subnet calculator.
Most IT certs expire (typically every 3 years). Track continuing-education/credits or recertification windows so hard-won certs don’t lapse.
Most of these are computer-based at proctored centers. Take full-length, timed practice exams on screen so pacing and exam-day logistics aren’t a surprise.
Many exam questions are calculation problems you can rehearse right now with the free tools in the Enterprise IT & Networks Studio: