You want to change the amount of time it takes for a hello packet to not be received before a router is declared offline. You can adjust its timing with the help of IP hello-interval EIGRP command.
The IP hello-interval EIGRP command allows you to change the hello interval for each interface, which determines how frequently EIGRP sends hello packets. When a router does not receive a hello packet, it maintains that a neighbor is alive for the hold duration. The hold time is commonly set to 15 seconds and 180 seconds, which is three times the hello interval. With the IP hold-time EIGRP command, the hold time can be modified.
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The answer would be : D. Russian adaptation to extreme cold
If a steel is exposed to an extreme low temperature over prolonged period of time, the structural form of the steal could be damaged, which could lead to a destruction of a building's foundation. In order to prevent this, a country which extreme winter such as Russia developed a special steel that won't crack.
I believe its coal and iron im sry if im wrong
U.s is were they where born
