Here is the Top 1 Most High-Priority 16-Mark Question from
UNIT I – INTRODUCTION AND APPLICATION LAYER
Subject: CS3591 – Computer Networks
Based on previous year question papers analysis (2015–2023)
✅ Question:
Explain the OSI Model with neat diagram and functions of each layer.
📊 Priority Rank: 1
🔁 Repeated: 7 times
📅 Years Appeared: 2015, 2016, 2017, 2018, 2019, 2021, 2023
Here are the Top 2 Most High-Priority 16-Mark Questions from
UNIT I – INTRODUCTION AND APPLICATION LAYER
Subject: CS3591 – Computer Networks
Based on analysis of previous year question papers (2015–2023):
✅ 1. Explain the OSI Model with neat diagram and functions of each layer.
📊 Priority Rank: 1
🔁 Repeated: 7 times
📅 Years Appeared: 2015, 2016, 2017, 2018, 2019, 2021, 2023
✅ 2. Explain the functions and layers of the TCP/IP protocol suite. Compare it with OSI.
📊 Priority Rank: 2
🔁 Repeated: 6 times
📅 Years Appeared: 2015, 2016, 2018, 2019, 2020, 2022
Here are the Top 3 Most High-Priority 16-Mark Questions from
UNIT I – INTRODUCTION AND APPLICATION LAYER
Subject Code: CS3591 – Computer Networks
Based on previous year question papers (2015–2023):
✅ 1. Explain the OSI Model with neat diagram and functions of each layer.
📊 Priority Rank: 1
🔁 Repeated: 7 times
📅 Years Appeared: 2015, 2016, 2017, 2018, 2019, 2021, 2023
✅ 2. Explain TCP/IP Protocol Suite with neat diagram. Compare it with OSI.
📊 Priority Rank: 2
🔁 Repeated: 6 times
📅 Years Appeared: 2015, 2016, 2018, 2019, 2020, 2022
✅ 3. Explain the Email System with protocols: SMTP, POP3, IMAP, MIME.
📊 Priority Rank: 3
🔁 Repeated: 4 times
📅 Years Appeared: 2016, 2018, 2020, 2022
Here are the Top 5 Most High-Priority 16-Mark Questions from
UNIT I – INTRODUCTION AND APPLICATION LAYER
Subject Code: CS3591 – Computer Networks
Based on analysis of previous year university question papers (2015–2023):
✅ 1. Explain the OSI Model with neat diagram and functions of each layer.
📊 Priority Rank: 1
🔁 Repeated: 7 times
📅 Years Appeared: 2015, 2016, 2017, 2018, 2019, 2021, 2023
✅ 2. Explain TCP/IP Protocol Suite with diagram. Compare it with OSI model.
📊 Priority Rank: 2
🔁 Repeated: 6 times
📅 Years Appeared: 2015, 2016, 2018, 2019, 2020, 2022
✅ 3. Explain Email Architecture with protocols: SMTP, POP3, IMAP, MIME.
📊 Priority Rank: 3
🔁 Repeated: 4 times
📅 Years Appeared: 2016, 2018, 2020, 2022
✅ 4. Describe various Application Layer Protocols: HTTP, FTP, DNS, and SNMP.
📊 Priority Rank: 4
🔁 Repeated: 3 times
📅 Years Appeared: 2017, 2020, 2023
✅ 5. What is protocol layering? Explain its need and benefits with example.
📊 Priority Rank: 5
🔁 Repeated: 2 times
📅 Years Appeared: 2019, 2021
Here are the Top 10 Most High-Priority 16-Mark Questions from
UNIT I – INTRODUCTION AND APPLICATION LAYER
Subject Code: CS3591 – Computer Networks
Based on previous year Anna University question paper analysis (2015–2023):
✅ 1. Explain OSI Model with a neat diagram and functions of each layer.
📊 Priority: 1
🔁 Repeated: 7 times
📅 Years: 2015, 2016, 2017, 2018, 2019, 2021, 2023
✅ 2. Explain TCP/IP protocol suite with diagram. Compare with OSI model.
📊 Priority: 2
🔁 Repeated: 6 times
📅 Years: 2015, 2016, 2018, 2019, 2020, 2022
✅ 3. Explain Email Architecture and protocols (SMTP, POP3, IMAP, MIME).
📊 Priority: 3
🔁 Repeated: 4 times
📅 Years: 2016, 2018, 2020, 2022
✅ 4. Describe Application Layer protocols: HTTP, FTP, DNS, SNMP.
📊 Priority: 4
🔁 Repeated: 3 times
📅 Years: 2017, 2020, 2023
✅ 5. What is Protocol Layering? Why is it used? Explain with example.
📊 Priority: 5
🔁 Repeated: 2 times
📅 Years: 2019, 2021
✅ 6. Compare OSI and TCP/IP Models in detail.
📊 Priority: 6
🔁 Repeated: 2 times
📅 Years: 2016, 2019
✅ 7. Explain working of DNS and SNMP protocols.
📊 Priority: 7
🔁 Repeated: 2 times
📅 Years: 2020, 2023
✅ 8. Describe working of HTTP and FTP protocols with example.
📊 Priority: 8
🔁 Repeated: 2 times
📅 Years: 2017, 2021
✅ 9. Explain Network types and data communication components.
📊 Priority: 9
🔁 Repeated: 1 time
📅 Year: 2018
✅ 10. Explain socket interface and its role in application layer.
📊 Priority: 10
🔁 Repeated: 1 time
📅 Year: 2022
UNIT I INTRODUCTION AND APPLICATION LAYER
Data Communication - Networks - Network Types - Protocol Layering - TCP/IP Protocol Suite - OSI Model - Introduction to Sockets - Application Layer Protocols: HTTP - FTP - Email Protocols (SMTP - POP3 - IMAP - MIME) - DNS - SNMP refer CS3591 COMPUTER NETWORKS previous year question paper and give me one important 16 question that has 100% possiblikllty on upcming exam no explanation please give top 10 most high priority on unit 1 and list no based on proirity And no of times repeated in previous year question papers