How many possible keys are available in the 18 bit system?

Related questions

1. Is Cassandra a memory database?
2. What is column store database?
3. What is seed in Cassandra?
4. What is Keyspace in Cassandra?
5. What is used with a HMAC and a secret key?
6. What port does Cassandra listen on?
7. What is the purpose of using thrift in Cassandra?
8. Is Cassandra a NoSQL?
9. What are nodes in Cassandra?
10. What is a Cassandra datacenter?

Tags

1. #combination
2. #trying
3. #number
4. #average
5. #means
6. #expect
7. #encrypted
8. #method
9. #followed
10. #combinations
11. #every
12. #crack
13. #brute
14. #tries
15. #naughts
16. #answer
17. #force
18. #ciphertext
19. #possible
20. #correct