Network Administration

Beginner
Network Administration
Overview
Curriculum

Become a Job-Ready Network Administrator

Build, configure and troubleshoot real networks, with hands-on labs from day one.

Beginner Friendly
No prior experience needed.
Hands-On Labs
Configure switches and routers.
Expert Mentorship
Guidance from practitioners.
Certificate
Earned on completion.
10 Weeks
Next cohort starts October 10th.
8 Modules
42 practical topics.
Installment Plans
Spread your fees over 2 or 3 payments.
Scholarships
Places available for eligible learners.

Course Overview

This course takes you from zero networking knowledge to confidently supporting a real organizational network. You'll learn how data moves, how devices are addressed and connected, and how to configure, maintain and troubleshoot switches, routers and core network services, practicing every step in simulated labs.

Student learning networking

Next Cohort

Starts October 10th

Duration: 10 weeks

Learning Outcomes

  1. Explain how networks work using the OSI and TCP/IP models, and identify the role of every common network device.
  2. Design IPv4 addressing schemes with subnetting, and understand IPv6 fundamentals.
  3. Configure switches and routers, including basic switching, static routing and default gateways.
  4. Deploy and support core services such as DNS, DHCP and HTTP/HTTPS.
  5. Troubleshoot connectivity problems with a structured method and standard tools, and document your lab work as a portfolio.

Download Course Brochure

Career Opportunities

Every organization with an office, a server or a cloud account needs people who understand its network. This course prepares you for entry-level roles across IT infrastructure.

Role What You'll Do
Network Administrator Manage and maintain organizational networks
Network Technician Install, configure and repair network equipment
NOC Analyst Monitor networks and respond to incidents
IT Support Specialist Resolve user, device and connectivity issues
Junior Network Engineer Support network design and upgrade projects
Infrastructure Support Support servers, networks and cloud environments

Career Pathways

Networking: Network Admin → Network Engineer
Security: Network Admin → Security Analyst
Cloud: Network Admin → Cloud Networking
Infrastructure: Network Admin → Systems Engineer

What You Will Learn

From your first cable to troubleshooting a full network, in 8 practical modules.

01  Networking Foundations▼
  • Introduction to Computer Networking
  • Network Components and Devices
  • Network Types and Topologies
  • Network Media
  • Data Communication Fundamentals
02  Network Models and Protocols▼
  • OSI Model
  • TCP/IP Model
  • Network Protocols
  • Encapsulation and Decapsulation
  • Data Transmission
03  Ethernet and Switching▼
  • Ethernet Fundamentals
  • MAC Addresses
  • Switches and Switching Concepts
  • Basic Switch Configuration
  • Broadcast and Collision Domains
04  IP Addressing and Subnetting▼
  • IPv4 Addressing
  • Public and Private IP Addresses
  • Subnet Masks
  • Subnetting Fundamentals
  • IPv6 Overview
05  Routing Fundamentals▼
  • Introduction to Routing
  • Routers and Routing Tables
  • Default Gateway
  • Static Routing Concepts
  • Basic Routing Configuration
06  Network Services and Applications▼
  • DNS
  • DHCP
  • HTTP and HTTPS
  • Email Services
  • File and Network Services
  • Common Network Applications
07  Network Administration and Troubleshooting▼
  • Network Administration Fundamentals
  • Common Network Problems
  • Troubleshooting Methodology
  • Connectivity Testing
  • Basic Network Troubleshooting Tools
08  Practical Network Administration Labs▼
  • Network Simulation
  • Device Configuration
  • Basic Switch and Router Configuration
  • IP Addressing and Connectivity
  • Network Troubleshooting Scenarios
  • Practical Network Administration Tasks

Flexible and Affordable Payment

Pay in 3 Installments
₦50,000
per installment
Pay in 2 Installments
₦75,000
per installment
Full Fees
₦150,000
one-time payment

Installments are for non-scholarship students only. Email [email protected] to set one up.

Frequently Asked Questions

I don't have a tech background.▼
That's fine. The course starts from the very basics, explaining what a network is, and builds up one step at a time. No prior IT experience is assumed.
I can't afford the full fee at once.▼
You can either pay in installments or apply for a scholarship. Scholarship fees are paid in one payment. Apply for a scholarship to be considered.
I don't have much time.▼
You study the lessons on your own schedule during the week, and revisit them whenever you need. Live classes run at weekends on Google Meet, and your cohort's WhatsApp group is there for questions and group assignments in between.
Will this help me get a job?▼
The course is built around the practical skills employers look for in entry-level network roles, and your lab work becomes a portfolio you can show in interviews.
Is this an official Cisco course?▼
No. This is a Grezitech Academy course. It covers foundational concepts that support further certification study, including CCNA.

Need Help?

Questions about the course, payment or scholarships? We're happy to help.

Phone: +234 (0) 809 999 4624
Email: [email protected]

Contact Us

Grezitech Academy support

₦150,000
Buy Now
This course includes

10 weeks, starting October 10th

8 modules and 42 practical topics

Self-paced lessons plus live weekend classes on Google Meet

Hands-on labs configuring switches and routers

WhatsApp study group for questions and group work

Verifiable certificate on completion

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