The answers are
1. B
2.A
3.D
4.A
<span>The maximum time the packet is allowed to
remain in the internet system is defined in the header of the IP packet. The field is called Time to Live (TTL) and contains the seconds the packet can travel through the internet network.
If this field contains the value
zero, then the packet must be destroyed.
</span><span>The intention is to cause
undeliverable packets to be discarded, and to bound the maximum packet lifetime.</span>
Answer:
Pioneer farmers, or homesteaders, began settling in California, Oregon, and other parts of the West during the early 1800's. After the Civil War, however, western farming expanded greatly. Homesteaders, mostly white, quickly populated the Great Plains from 1870 to 1890
Answer: A trojan horse is called like this because it’s something unsuspicious looking to get into other people’s computer, like the trojan horse was used to get into Troy. A virus is called like this because it infects other computers similarly like a biological virus.
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