Question: You want to resolve a long list of DNS names using dig. What should you do?

1. Create a text file including all names and use the -f option of dig.
2. Type in each query manually.
3. Write a shell script to send multiple dig queries to the DNS server.
4. Save the DNS names in an SQL database and process it with dig.

Answer: The correct answer of the above question is Option A:Create a text file including all names and use the -f option of dig.