Cyber Exploit 2.0

 Introduction to computer networks Network – interconnected nodes and components, which helps to communicate for sharing data. Network Characteristics:  Cost   Security  Speed  Topology  Scalability  Reliability  Availability Essentials:  Personal Computer/System  Ethernet Card  Network Devices  Medium  Operating System – Derivers/NW Model Transmission Modes: Simplex Half Duplex Full Duplex Types of Messaging (Addressing): Broadcast – one to all  Multicast – one to many Unicast – one to one Networking Topologies: Describe the physical and logical arrangement of the network nodes Physical – Placement of various components Logical – Data flows within the network Types of Network Topology: Bus Topology Linear topology All the nodes and the terminators are connected through one wire Terminator – absorbs the signal when it reaches the end of the wire Ring Topology Forming a single continuous pathway for signals through each node Each node connect...