<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:
work was done by hand
Explanation:
Back then they didn't have machines
hope this helped
~chara
Answer:
The first one, 99.14.242.51 is the only valid IPv4 address listed.
Explanation:
An IPv4 address is formatted as four eight-bit numbers separated by decimals. This means that a valid one will have four numbers from 0 to 255, with decimals in between.
The first one, 99.14.242.51 is a valid IPv4 address.
The second one has the number 342, which is greater than eight bits.
The third one has five octets.
The fourth one is in the wrong format altogether, using what appear to be 32-bit numbers
<span>Iceland was formed by "Volcanic Activity"
Hope this helps!</span>
