The answer is DMNNAMSVR. While in an interactive nslookup session, one would use the DMNNAMSVR keyword to change the DNS server one is using.
Brute force. He's not using any information to mathematically derive information about the key, just trying all possibilities. With modern key sizes this is typically not a successful approach.
Answer:
Dehydrated food that is vacuumed sealed.
Explanation:
Dehydrated food is not hard to make and holds the nutritious values needed for a human to survive. Dehydrated food can last up to 1-2 years if vacuumed sealed.
