Question: 1. What is the highest layer at which each program, device or protocol operates to provide its regular services (many devices like routers operate at

1. What is the highest layer at which each program, device or protocol operates to provide its regular services (many devices like routers operate at other layers when being configured - don't count that)? App Application Data Link Transport Religion Network Politics Money Phys Telnet Chrome or Firefox X DNS TCP Handshake HTTP Ping Traceroute Apache web server Your PC A network switch My AT&T router

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