Answer:
The User Datagram Protocol (UDP) is called the connectionless protocol because:
It does not attempt to fix bad packets or resend lost packets.
Explanation:
Ports are openings or entrance doors through which data packages have access to a PC or server. TCP and UDP are transport protocols with port numbers. TCP means Transmission Control Protocol. They are used to connect two devices over the internet and other networks. UDP means User Datagram Protocol. They are used to connect applications and to speed the transfer of data. Comparatively, UDP is faster, simpler, and more efficient than TCP. TCP enables retransmission of lost data packets, which UDP cannot do.
Although a user directory is treated as a file, it is flagged to indicate to the file manager that this file is really a subdirectory whose records are filenames that point to files.
Answer:
Amazon. Founded in the US in 1994, Amazon started as an online bookstore that later diversified to products including media, electronics, apparel, furniture, food, toys, and jewelry.
eBay. ...
Walmart. ...
Etsy. ...
Home Depot. ...
Target. ...
Best Buy. ...
Wayfair.
Crowdsourcing is used by mobile application that allows users to report the location of a pet that appears to be lost.
<h3>What is a mobile application?</h3>
A mobile application is known to be a kind of computer app or program that has been made to handle or run itself on a mobile device e.g. phone, etc.
Conclusively, the option that best describes a system that uses crowdsourcing is the mobile application that allows users to report the location of a pet that appears to be lost and upload a photo that is made available to other users of the application and thus everyone can help to look for it.
Learn more about mobile application from
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