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IT Fundamentals
Block 1 Unit 6 - Mar 2023
Question | Answer |
---|---|
A __________ is a standard set of rules that allow electronic devices to communicate with each other. | Protocol (193) |
What are the five layers of TCP/IP? _____________________________________________ | 1. Physical 2. Data Link 3. Network 4. Transport 5. Application (195-203) |
Which protocol defines how data is formatted, transmitted, and what actions web servers and browsers should take in response to various commands? ____________________________ | Hyper Text Transmission Protocol (HTTP)(213) |
Which protocol is a method of transferring data files from one computer to another over a network? ___________________________________________________________ | File Transfer Protocol (FTP)(214) |
What is the purpose of Simple Mail Transfer Protocol (SMTP)? _______________________ | Transfer e-mail messages and attachments (216) |
The protocol that is the basis for all addressing on TCP/IP networks is known as____________________. | Internet Protocol (IP)(217) |
Which protocol is created to permit remote monitoring and management of devices and hosts? ____________________________________________ | Simple Network Management Protocol (SNMP)(218) |
The protocol that provides a friendly name to IP addresses on the internet is known as__________________. | Domain Name System (DNS)(219) |
Which protocol uses broadcast UDP data packets to exchange routing information?_______________________________________ | Routing Information Protocol (RIP)(220) |
What protocol automatically assigns dynamic IP addresses to devices on a network?_______________________________________ | Dynamic Host Configuration Protocol (DHCP)(222) |
What protocol “resolves” (converts) the network layer (IP) address into a link layer address(MAC)? ____________________________________ | Address Resolution Protocol (ARP(2240 |
What is a virtual path to send and receive data from computers and used to communicate between two different applications? ___________________________________________ | Ports (226) |
Which TCP ports range from 0-1023 and are assigned to common protocols and services?_________________________ | System Ports (227) |
What is the range of Registered Ports? ________________________ | 1024 to 49151 (229) |
What ports are assigned by IANA and are designated for specific application services requested by an application? ____________________________ | Registered Ports (229) |
Which type of ports are temporary allocations and only valid for the duration of the communication session? _______________________ | Dynamic, Private, or Ephemeral (231) |
What are two statuses for ports?________________________________________________ | Open and Closed (231) |