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Across 3. process of modifying transmitted data into a format that is usable by a device 7. a form of transmission in which a message is delivered to all hosts on a network 9. process of inserting a formatted message inside another formatted message 11. a router that is responsible for redirecting the packets it receives to their destination 12. process of splitting data into smaller pieces for transmission on a network

Down 1. process of modifying data to an acceptable format for transmission 2. a form of message delivery in which a message is delivered to a single destination 4. refers to protocols that are available to the public at no cost 5. refers to protocols that are developed by companies and are available to the public for purchase 6. process of removing a formatted message from another formatted message 8. a form of transmission in which a message is delivered to a group of hosts 10. the form of a piece of data that is associated with each protocol layer