Structure of the Internet
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| Internet | show 🗑
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| show | Connects networks that use different network protocols
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| Router | show 🗑
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| show | A unique address that identifies a computer of other electronic devices on a network
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| show | A system of hyperlinked text documents accessed via the Internet
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| Intranet | show 🗑
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| show | A name that identifies one or more IP addresses
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| What does FQDN stand for? | show 🗑
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| What does a FQDN consist of? | show 🗑
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| show | A server that translates FQDNs into IP addresses
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| show | Uniform Resource Locator
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| show | A URI that identifies a resource by its network location
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| show | Uniform resource identifier
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| What does a URI do? | show 🗑
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| show | A software process that provides a service requested by a client
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| Client | show 🗑
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| show | A client software process initiates a request for a service from a server software process, and the server responds to that request
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| show | A set of agreed signals, codes and rules for data exchange between systems
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| Protocol Stack | show 🗑
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| Name the parts of the TCP/IP protocol stack from top to bottom | show 🗑
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| Port | show 🗑
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| Socket | show 🗑
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| Bidirectional | show 🗑
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| Client port numbers | show 🗑
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| show | Universally known port numbers used by servers. They lie in the range 0 to 1023
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| What does the TCP or Transport layer do? | show 🗑
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| Network layer | show 🗑
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| show | Handles all the physical details of interfacing with the cable
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| Application layer | show 🗑
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| What ports does FTP use and what are they used for? | show 🗑
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| show | 80 and 8080
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| show | 25
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| What port does a POP3 server use? | show 🗑
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| What port does a Telnet server use? | show 🗑
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