04DiplomaDigital Foundations

Diploma in Information Technology

Develop expertise in IT infrastructure, system administration, networking basics, and digital security.

Duration

24 weeks

Level

Beginner to Intermediate

Delivery

Online

Next intake

15 August 2026

Overview

What this course is about

Comprehensive IT fundamentals, networking, and system administration skills.

Skills you will build

  • Support IT infrastructure
  • Manage networks and systems
  • Provide technical user support
  • Implement basic security measures
  • Work in IT support roles

Career opportunities

  • IT Support Technician
  • System Administrator
  • Network Technician
  • IT Help Desk Officer

Entry requirements

Who can join

Professional Certificate in Office IT or equivalent

If you are unsure about your fit, submit an inquiry and an INTEX advisor will help check the right starting point.

Study structure

Course modules

Expand each module to see the practical topics, exercises, and applied skills covered.

1

Computer Systems & Hardware Essentials

Identify core PC components and what they do

Compare laptops, desktops, storage, memory, and peripherals

Set up devices for learning and workplace use

Perform basic maintenance, backup, and performance checks

Document hardware issues clearly for support escalation

2

Operating Systems & Productivity Setup

Install, update, and configure Windows and basic Linux environments

Manage files, users, storage, drivers, and software safely

Use command-line basics for diagnosis and file operations

Set up productive work environments for students or staff

Create a clean device setup checklist

3

Networking Fundamentals

Understand IP addresses, DNS, DHCP, routers, switches, and Wi-Fi

Set up and test home or small-office connectivity

Use common commands to diagnose network problems

Understand bandwidth, latency, and internet service basics

Create a network troubleshooting flow

4

Internet, Cloud & Collaboration Systems

Explain web, email, cloud storage, and SaaS fundamentals

Configure shared folders, permissions, and collaboration tools

Understand browser security, cookies, and online account management

Support common cloud productivity workflows

Document safe usage guidelines for teams

5

System Administration & User Support

Create users, groups, access levels, and password policies

Manage device settings, updates, printers, and shared resources

Support onboarding and offboarding routines

Track issues through a simple help desk process

Communicate technical guidance to non-technical users

6

Database & Information Management

Design simple tables, fields, relationships, and data rules

Write basic SQL queries for filtering and reporting

Understand data quality, backups, and privacy responsibilities

Use databases in business systems such as CRM or inventory

Build a small data tracking prototype

7

Cybersecurity Foundations

Recognize malware, phishing, credential theft, and social engineering

Apply safe browsing, device hardening, and update practices

Use password managers and multi-factor authentication

Understand privacy, data handling, and basic compliance expectations

Create a personal and workplace security checklist

8

Troubleshooting & Technical Support Practice

Diagnose hardware, software, network, and account issues methodically

Collect symptoms, reproduce problems, and isolate root causes

Write clear ticket notes and support responses

Escalate issues with the right evidence

Complete scenario-based support simulations

9

IT Documentation & Service Mindset

Write setup guides, troubleshooting notes, and user instructions

Use checklists for repeatable support quality

Prioritize incidents by urgency and business impact

Communicate delays, fixes, and prevention steps professionally

Build a small IT support knowledge base

10

Capstone: Small IT Environment Setup

Plan a basic IT setup for a small organization or learning team

Define devices, accounts, security, backup, and collaboration tools

Prepare a support and maintenance plan

Present risks, costs, and recommendations

Submit a practical IT operations portfolio

Fees

Course fee and payment support

Course fee

LKR 42,000

Confirm current fee, installment options, and any intake-specific offers with student support.

Support options

  • Payment plan enquiries
  • Scholarship guidance for eligible students
  • Advisor support before enrollment

How to apply

Send your details

Submit the inquiry form and an INTEX student advisor will contact you with intake, fee, batch, and enrollment guidance.