Cryptography and Network Security (ICS-704) crash course, Online B.Tech, Semester 7:
The symmetric cipher model (with diagram) and symmetric vs asymmetric comparison cover the most slots; prepare VPN/IPsec and password vs Kerberos…
- 6 video lessons
- 56 min
- Study notes
- 30 quiz questions
- Assignment
6 lessons in Cryptography and Network Security
Each lesson pairs one topic with a hand-picked video, trimmed to the part that teaches it.
About this subject
The symmetric cipher model (with diagram) and symmetric vs asymmetric comparison cover the most slots; prepare VPN/IPsec and password vs Kerberos authentication as the other long answers.
- 1
Symmetric cipher model and classical techniques
Must study for the exam (×6 · A1, A2, A3, A4, B5, C3 2 + 2 + 2 + 2 + 5 + 15 marks · MCQ, short note, diagram-based long answer).
symmetric cipher model in cryptography and network security by Babita Verma· ITCS classes· 8 min
Study notes 5 quiz questionsWatch lesson - 2
User authentication and Kerberos
Must study for the exam (×4 · A7, A8, B2, C2 2 + 2 + 5 + 15 marks · MCQ, short note, comparison essay).
What is Kerberos | Why Kerberos | Is Kerberos Safe | Working of Kerberos· Chirag Bhalodia· 11 min
Study notes 5 quiz questionsWatch lesson - 3
IP security and VPNs
Must study for the exam (×3 · A10, B1, C1 2 + 5 + 15 marks · MCQ, short note, long explanation).
Lec-59: What is IPSec Protocol | IPsec Introduction | Computer Networks· Gate Smashers· 7 min
Study notes 5 quiz questionsWatch lesson - 4
Web and e-commerce security
High value for the exam (×2 · A6, B3 2 + 5 marks · MCQ, short note).
#43 Web Security Considerations in Cryptography |CNS|· Trouble- Free· 8 min
Study notes 5 quiz questionsWatch lesson - 5
Public-key (asymmetric) cryptography and certificates
High value for the exam (×2 · A5, B4 2 + 5 marks · MCQ, short note).
Lec-91: Asymmetric key Cryptography with example | Network Security· Gate Smashers· 8 min
Study notes 5 quiz questionsWatch lesson - 6
Firewalls
If time permits for the exam (×1 · A9 2 marks · MCQ).
Lec-93: What is Firewalls and How it Works | Packet Filtering firewall explained in Hindi Part-1· Gate Smashers· 14 min
Study notes 5 quiz questionsWatch lesson
Assignment
Exam Practice Set: Securing a Small Company's Network End to End
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Hand-picked video lessons
6 short lessons, each with the best YouTube explanation we could find, trimmed to the part that matters.
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Study notes
6 lessons come with a summary, key points, key terms and takeaways for quick revision.
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Quizzes
30 questions across the course, with the right answer and why, the moment you pick.
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Assignments
1 subject assignments with clear tasks, so you practise what each subject actually asks of you.
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Notebook
Write notes beside the video, stamped with the exact time, and jump back to that moment later.
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Progress that follows you
Completed lessons, quiz scores and where you stopped, saved to your account on every device.
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Live chat
A members-only live chat beside every lesson: doubts, tips, stickers and GIFs with your batch. One ₹19 pass opens every live chat.
The Online B.Tech live chat. Study together, live.
A live chat right beside the video, shared by everyone studying Online B.Tech. Ask a Cryptography and Network Security doubt mid-lesson, share a shortcut, celebrate a finished semester.
- Live chat beside every lesson
- One live chat for all of Online B.Tech
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Anyone else finding Cryptography and Network Security tricky? 😅
Lesson 2 cleared it up for me. Watch it before the quiz
Doing it now, thanks!
Starting Channel Hydraulics tonight if anyone wants to go together
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Cryptography and Network Security: common questions
The symmetric cipher model (with diagram) and symmetric vs asymmetric comparison cover the most slots; prepare VPN/IPsec and password vs Kerberos authentication as the other long answers. It's the Cryptography and Network Security subject of Online B.Tech, Semester 7, in 6 lessons: Symmetric cipher model and classical techniques; User authentication and Kerberos; IP security and VPNs; Web and e-commerce security; Public-key (asymmetric) cryptography and certificates; Firewalls.
Yes. Every video lesson is free to watch without an account. A free login unlocks study notes, quizzes, the assignment, a notebook and progress that syncs across devices.
About 56 min of video across 6 lessons, plus time for notes and quizzes. Go at your own pace; your place is saved.
Yes: “Exam Practice Set: Securing a Small Company's Network End to End”. It comes after the last lesson, with a brief, clear tasks and how the work is judged.
A members-only live chat beside the video, shared by everyone studying Online B.Tech, where learners ask doubts, share tips and react with stickers and GIFs. One ₹19 pass, paid once from your InsideEdge wallet, opens the live chat for every degree.
No. It's a crash course to help you understand and revise the subject quickly. Use it alongside your official study material and assignments.