Computer Networks Lecture Notes, Study Materials and Important questions answers
Subject : Computer Networks PHYSICAL LAYER 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.
Data Communications - Answer (click here) Networks - Answer (click here) Network Models - Answer (click here) OSI Model - Answer (click here) Layers in the OSI Model - Answer (click here) TCP/IP Protocol Suite - Answer (click here) Addressing - Answer (click here) Transmission media - Answer (click here) Guided media - Answer (click here) Unguided media - Answer (click here) Switching - Answer (click here) Circuit-Switched Networks - Answer (click here) Datagram Networks - Answer (click here) Virtual-Circuit Networks - Answer (click here) Dial-up Modems - Answer (click here) Digital Subscriber Line - Answer (click here) Cable TV Networks - Answer (click here) Cable TV for Data Transfer - Answer (click here) Important Short Questions and Answers:Computer Networks - Physical Layer - Answer (click here)
DATA LINK LAYER 1. 2. 3. 4. 5. 6.
Data link control- Framing - Answer (click here) Flow and Error control - Answer (click here) Protocols - Answer (click here) Noiseless Channels Protocol - Answer (click here) Noisy Channels Protocol - Answer (click here) High-level Data Link Control (HDLC) - Answer (click here)
7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23.
Multiple Access - Answer (click here) Random Access - Answer (click here) Controlled Access - Answer (click here) Wired LANs - Answer (click here) IEEE Standards - Answer (click here) Standard Ethernet - Answer (click here) Changes in the Standard - Answer (click here) Fast Ethernet - Answer (click here) Gigabit Ethernet - Answer (click here) IEEE 802.11 - Answer (click here) Bluetooth: Architecture and Devices - Answer (click here) Connecting Devices - Answer (click here) Backbone Networks - Answer (click here) Virtual LANs - Answer (click here) Virtual-Circuit Networks: Frame Relay and ATM - Answer (click here) Asynchronous Transfer Mode (ATM) - Answer (click here) Important Short Questions and Answers: Computer Networks - Data Link Layer - Answer (click here)
NETWORK LAYER 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
Logical Addressing - IPv4 Addresses - Answer (click here) IPv6 Addresses - Answer (click here) Internet working and Need for Network Layer - Answer (click here) IPv4 (The Internet Protocol version 4) - Answer (click here) IPv6 - Answer (click here) Network Address Mapping - Answer (click here) Mapping Logical to Physical Address: ARP - Answer (click here) Reverse Address Resolution Protocol (RARP) - Answer (click here) Bootstrap Protocol (BOOTP) - Answer (click here) The Dynamic Host Configuration Protocol (DHCP) - Answer (click here) ICMP - Answer (click here) The Internet Group Management Protocol (IGMP) - Answer (click here) ICMPv6 (Internetworking Control Message Protocol) - Answer (click here) Direct Versus Indirect Delivery - Answer (click here) Forwarding Techniques - Answer (click here) Unicast Routing Protocols - Answer (click here) Multicast Routing Protocols - Answer (click here) Important Short Questions and Answers: Computer Network Layer Answer (click here)
TRANSPORT LAYER 1. 2. 3. 4. 5. 6. 7. 8.
Process to Process Delivery in Transport Layer - Answer (click here) User Datagram Protocol (UDP) - Answer (click here) Transmission Control Protocol (TCP) - Answer (click here) Congestion - Answer (click here) Congestion Control: Open Loop and Closed Loop - Answer (click here) Quality of services - Answer (click here) Techniques to Improve QoS - Answer (click here) Important Short Questions and Answers: Computer Transport Layer Answer (click here)
APPLICATION LAYER 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
Domain Name System - Answer (click here) Electronic Mail - Answer (click here) File Transfer Protocol (FTP) - Answer (click here) World Wide Web (WWW) - Answer (click here) Hypertext Transfer Protocol (HTTP) - Answer (click here) Multimedia - Answer (click here) Cryptography - Answer (click here) Symmetric Key Cryptography - Answer (click here) Asymmetric Key Cryptography - Answer (click here) Digital signatures: Direct, Arbitrated - Answer (click here) Communication Security: Authentication protocols - Answer (click here) Important Short Questions and Answers: Application Layer - Answer (click here)