How Data Travels

​ ​ ​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• Packets move through an ISP and are routed.
• DNS locates servers ISP address.
• ISP sends request to DNS.
• Packets travel up the network and back down.
• User enters URL in web browser.

A group of interconnected computing devices capable of sending or receiving data. (lowercase)

A protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device.

A type of computer that forwards data across a network. (lowercase)

A type of computer that forwards data across a network. (lowercase)

A transport protocol that is used on top of IP to ensure reliable transmission of packets. (uppercase)