Well, I would say a web browser, like Mozilla Firefox, Safari for IOS, Windows Edge, Chrome, or Internet Explorer; and some anti-malware software, since there are multiple websites on the WWW that try to steal your information and give your device viruses.
<span>If a DNS packet using UDP is lost this problem must be handled at the application layer. If an answer is not received after some period of time the specific application may choose to resend the DNS query. I can go much more into detail but this should answer your question. If you need more detail just ask.</span>
Answer:
The Layer 4 (Transport layer)
Explanation:
The transport layer is the fourth layer of the OSI (Open Systems Interconnection) model that is responsible for transmitting data between networking devices. Some of its other functions are;
i. It maintains flow control so that the destination station does not receive more packets than it can handle or process at a particular time.
ii. it also maintains error control so that the entire message (data) sent arrives at the layer without any error due to incompleteness, loss, damage or duplication.
