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Understand how data travels from your browser to a server, layer by layer, and solve subnetting and TCP problems.
Free, no-obligation chat · Affordable plans that fit your budget · Start this week
About this course
Computer networks mixes theory with calculation. Students often struggle to keep the layers straight, to do subnetting quickly and correctly, and to follow how TCP handles loss, windows and congestion. Protocol details only stick when you can trace a real packet from start to finish.
This course follows the standard university syllabus used with the textbooks by Kurose and Ross and by Tanenbaum: the Internet and layered models, the application layer, transport layer, network layer and routing, the link layer and local networks, wireless basics and network security.
Use our free self-study networking lessons for practice, or learn with an affordable 1:1 mentor who explains your lectures, draws the packet journeys with you and works through exam-style numericals. Message us on WhatsApp or email, or fill in the short form, for a free, no-obligation chat. We will suggest a plan that fits your budget and flexible timings in your time zone, and you can start this week.
Outcomes
Detailed syllabus
Every module lists its topics and what you will be able to do. Where we have a matching free lesson, it is linked so you can study or revise on your own.
What a network is, how data moves through it and why we use layers.
By the end of this module you can
The protocols applications use: the web, email, DNS and sockets.
By the end of this module you can
Process-to-process delivery, reliability and congestion control.
By the end of this module you can
Moving packets between networks and how addresses are structured.
By the end of this module you can
How routers learn the best path.
By the end of this module you can
Covered in 1:1 mentoring sessions
Reliable delivery on one link and how local networks share a medium.
By the end of this module you can
How wireless links differ and how mobility is handled.
By the end of this module you can
Covered in 1:1 mentoring sessions
Protecting data and networks from common threats.
By the end of this module you can
Covered in 1:1 mentoring sessions
Mixed numericals and concept questions across the syllabus.
By the end of this module you can
Ways to learn
A mentor who knows this course plans sessions around your goal, explains each idea with fresh examples and checks your understanding. Personal attention, flexible timings in your time zone and affordable plans that fit your budget.
Talk to our teamShort lessons in plain English with examples you run in your browser, quizzes and practice. Learn at your pace, and add a mentor whenever you want help.
How it works
Four simple steps to start Computer Networks with a mentor. A real person replies to you; there is no booking system.
Message us on WhatsApp or email, or fill in the short form. The first chat is free, with no obligation.
We listen to your goal, level and deadlines, then suggest a plan that fits your budget and timings.
Online 1:1 sessions with a mentor who knows your course, explains clearly and checks your understanding.
Keep going between sessions with practice, and watch your confidence grow week by week.
Learn by doing
Build a small tool that takes an address and prefix and prints the network, broadcast and usable host range.
Use sockets to build an echo server and client, then capture the traffic and point out the handshake.
Trace a lookup from resolver to authoritative server using common tools and explain each record you see.
Simulate routers exchanging distance vectors on a small graph and show that the tables converge.
Your progress
Milestones from the start, middle and end of the syllabus.
Calculate end-to-end delay for a path of links
Early on
Build a routing table with distance-vector and link-state methods
Halfway
Solve mixed networking problems accurately under time pressure
By the end
FAQs
Free, no-obligation chat
Tell us what you need. Our support team replies within one working day, by email or WhatsApp, whichever you prefer, and arranges your mentor.
Prefer to talk first?
Message the support team directly. We usually reply the same day.
Our mentors teach and explain. They never complete graded work, tests or assessments for students.
Keep going
Processes, scheduling, deadlock, memory, storage and file systems.
Networks, cryptography, web security, secure coding and defensive practice.
Scaling, caching, databases, APIs, estimation and classic system design questions.
Linux commands, permissions, processes, networking and Bash scripting.
AWS and Azure fundamentals: compute, storage, networks, security and deployment.
Last reviewed
Message us on WhatsApp or email, or fill in the short form. Our team replies with a plan that fits your goal and budget, and you can start this week.
Talk to us about a mentor