Point-to-Point
    Point-to-point connection methods and receivers involve the techniques and devices used to establish direct communication between two specific devices or endpoints.
    
        - Dedicated Link: Establishes a dedicated communication link between two endpoints.
 
        - Physical Media: Uses various physical media like wired and wireless options.
 
        - Serial Communication: Transmits data bit by bit over a single communication line.
 
        - Modems: Convert digital data into analog signals for transmission over telephone lines.
 
        - ISDN (Integrated Services Digital Network): Supports voice and data transmission over telephone lines.
 
        - Leased Lines: Provide dedicated connections with consistent bandwidth.
 
        - VPN (Virtual Private Network): Creates secure connections over public networks.