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