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Block 1 Unit 6

Ports, Protocols and Services

QuestionAnswer
A WHAT? is a standard set of rules that allow electronic devices to communicate with each other? Protocol
What are the five layers of TCP/IP? Application, Transport, Network, Data Link, Physical
Which protocol defines how data is formatted, transmitted, and what actions web servers and browsers should take in response to various commands? HTTP
Which protocol is a method of transferring data files from one computer to another over a network? FTP
What is the purpose of Simple Mail Transfer Protocol (SMTP) Transfer e-mail messages and attachments
The protocol that provides a friendly name to IP addresses on the internet is known as? IP
Which protocol is created to permit remote monitoring and management of devices and hosts? Simple Network Management Protocol
The protocol that provides a friendly name to IP addresses on the internet is known as? DNS
Which protocol uses broadcast UDP data packets to exchange routing information? RIP
What protocol automatically assigns dynamic IP addresses to devices on a network? DHCP
What protocol "resolves" (converts) the network layer (IP) address into a link layer address (MAC)? ARP
What is a virtual path to send and receive data from computers and used to communicate between two different applications? Port
Which TCP ports range from -01023 and are assigned to common protocols and services? Well-known or system ports
What is the range of Registered Ports? 1024 to 49151
What ports are assigned by IANA and are designed for specific applications services requested by an application? Registered
What type of ports are temporary allocations and only valid for duration of the communication session? Dynamic, private or ephemeral ports
What are two statues for ports? Open and Closed
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