Technical Terms - Internet (A-Z) - IANA

What does IANA stand for?

• Internet Authority for Network Assignments

• Internet Assigned Numbers Authority

• International Association of Network Administrators

• Internet Application Numbering Agency

What is the primary role of IANA?

• Allocating blocks of IP addresses

• Designing websites

• Creating mobile applications

• Managing social media accounts

Who does IANA allocate blocks of IP addresses to?

• Global Internet Registries (GIRs)

• National Internet Registries (NIRs)

• Local Internet Registries (LIRs)

• Regional Internet Registries (RIRs)

What does IANA manage in the DNS hierarchy?

• Root zone

• Subdomain zone

• Top-level domain zone

• Second-level domain zone

Which organization is responsible for managing the '.com' top-level domain?

• Verisign

• Public Interest Registry

• ICANN

• IANA

What does the IANA maintain a registry of regarding Internet protocols?

• Experimental Internet protocols

• Standard Internet protocols

• Custom Internet protocols

• Private Internet protocols

Which of the following is part of the Service Name and Transport Protocol Port Number Registry maintained by IANA?

• SMTP protocol's use of port 25

• SSH protocol's use of port 22

• HTTP protocol's use of port 80

• FTP protocol's use of port 21

What is the purpose of a central database of standard protocols maintained by IANA?

• Slow down Internet traffic

• Allow software and websites to work together seamlessly

• Create new Internet protocols

• Limit access to the Internet

What would happen if there was no central authority like IANA distributing IP addresses?

• Computer networks wouldn't know how to route Internet traffic

• There would be faster Internet speeds

• There would be more IP addresses available

• There would be less security on the Internet

Who does IANA delegate the administration of top-level domains to?

• RIRs

• NIRs

• ISPs

• Registrars