Networking

Beginner
Networking
Overview
Curriculum
  • 11 Sections
  • 86 Lessons
  • 10 Quizzes
Expand All

Final Exam

1 Quiz

Become a Job-Ready Network Administrator

Build, configure and troubleshoot real networks with hands-on labs. Prepare for the Cisco CCST Networking certification and build your foundation for the CCNA.

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 31st.
10 Modules
86 practical lessons.
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 31st

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 VLANs, static routing, default gateways and an introduction to OSPF.
  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.
  6. Sit the Cisco CCST Networking exam with confidence, with a head start on CCNA topics such as VLANs, OSPF, NAT and access control lists.

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.

RoleWhat You'll Do
Network AdministratorManage and maintain organizational networks
Network TechnicianInstall, configure and repair network equipment
NOC AnalystMonitor networks and respond to incidents
IT Support SpecialistResolve user, device and connectivity issues
Junior Network EngineerSupport network design and upgrade projects
Infrastructure SupportSupport 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 10 practical modules: one each week.

01 Networking Foundations▼
  • What a network is and how it works
  • Network types: LANs and WANs
  • Data transmission
  • Bandwidth and throughput
  • Setting up Cisco Packet Tracer
02 Network Components, Media and Endpoints▼
  • Clients, servers and network devices
  • Internet connection options
  • Copper, fibre and wireless media
  • Endpoint network settings
  • Lab: your first Packet Tracer network
03 Network Models and Protocols▼
  • Protocols and standards
  • The OSI and TCP/IP models
  • Encapsulation and decapsulation
  • TCP, UDP and port numbers
  • Lab: watch encapsulation in action
04 IPv4 Addressing and Subnetting▼
  • IPv4 address structure and subnet masks
  • Public, private and special addresses
  • Subnetting step by step
  • Planning an office network
  • Lab: address a small office network
05 IPv6, DHCP and DNS▼
  • Why IPv6 and how it is written
  • IPv6 address types, SLAAC and DHCPv6
  • Neighbor Discovery
  • DHCPv4 and DNS services
  • Lab: DHCP and DNS in Packet Tracer
06 Switching and VLANs▼
  • Ethernet frames, MAC tables and ARP
  • The Cisco IOS command line
  • Switch configuration and security
  • VLANs, trunks and Spanning Tree
  • Lab: VLANs and trunking
07 Routing▼
  • How hosts and routers make routing decisions
  • Router setup and static routes
  • OSPF and first-hop redundancy
  • ICMP, ping and traceroute
  • Lab: static routing and OSPF
08 Wireless and Network Security▼
  • Wi-Fi and secure router setup
  • Threats, attacks and access control
  • Firewalls, ACLs, NAT and PAT
  • Port security and WPA3
  • Lab: secure a small office network
09 Troubleshooting and Network Operations▼
  • Network design, cloud and virtualisation
  • Documentation and help-desk support
  • Structured troubleshooting and Wireshark
  • Monitoring and automation
  • Lab: fix a broken network
10 Capstone Project and Certification Plan▼
  • Capstone brief, design and addressing
  • Build, secure and test a full network
  • Troubleshooting challenge
  • Portfolio and CV
  • Your CCST and CCNA exam plan

Course Fees

Full Fees
₦100,000
one-time payment
With a Scholarship
₦10,000
one payment, after 90% off

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.▼
A scholarship covers 90% of the fee and is 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 is built around the Cisco CCST Networking exam topics and introduces key CCNA topics, so you finish ready to sit the CCST with a head start on the CCNA. Cisco exams are booked and paid for separately.

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

₦100,000
Buy Now
This course includes

10 weeks, starting October 31st

10 modules, 86 lessons and 8 hands-on labs

Self-paced lessons plus live weekend classes on Google Meet

Hands-on Packet Tracer labs configuring switches and routers

WhatsApp study group for questions and group work

Prepares you for the Cisco CCST Networking exam

Verifiable certificate on completion

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