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Unit 6: Application Layer4 min read

Domain Name System (DNS)

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CSE/SY Sem 3

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Computer Networks

6 Modules

Introduction to Data Communications and Networks Analog and Digital Signals Transmission Impairments and Data Rate Limits Network Models and Addressing Internet Protocol and Datagram Fragmentation

Error Detection and Correction Data Link Control and Framing Flow and Error Control Protocols HDLC and Point-to-Point Protocol Multiple Access Protocols

Connecting Devices (Hubs, Bridges, Switches, and Routers)Backbone Networks and Topologies Introduction to Virtual LANs (VLANs)VLAN Configuration and Port Assignment Inter-VLAN Routing Concepts and Configuration

Network Layer Switching and Services IPv4 Addressing: Classful and Classless Network Address Translation and Special Addresses Address Resolution Protocol (ARP)Internet Control Message Protocol (ICMP)

Transport-Layer Services and Concepts Reliable Data Transfer Protocols User Datagram Protocol (UDP)TCP Connection Management and Segment Structure TCP Flow, Error, and Congestion Control

Web Technologies and HTTP Domain Name System (DNS)Host Configuration with DHCP Electronic Mail Systems File Transfer and Remote Login Network Management with SNMP

Computer Networks

6 Modules

Introduction to Data Communications and Networks Analog and Digital Signals Transmission Impairments and Data Rate Limits Network Models and Addressing Internet Protocol and Datagram Fragmentation

Error Detection and Correction Data Link Control and Framing Flow and Error Control Protocols HDLC and Point-to-Point Protocol Multiple Access Protocols

Connecting Devices (Hubs, Bridges, Switches, and Routers)Backbone Networks and Topologies Introduction to Virtual LANs (VLANs)VLAN Configuration and Port Assignment Inter-VLAN Routing Concepts and Configuration

Network Layer Switching and Services IPv4 Addressing: Classful and Classless Network Address Translation and Special Addresses Address Resolution Protocol (ARP)Internet Control Message Protocol (ICMP)

Transport-Layer Services and Concepts Reliable Data Transfer Protocols User Datagram Protocol (UDP)TCP Connection Management and Segment Structure TCP Flow, Error, and Congestion Control

Web Technologies and HTTP Domain Name System (DNS)Host Configuration with DHCP Electronic Mail Systems File Transfer and Remote Login Network Management with SNMP