Hello I have few questions;

33. What command can you use to get the host name of your primary nameserver?

34. What happens the first time you use the sudo command?

35. What file has to be modified to give a normal user root privileges ?

21. How would you show process hierarchy in tree format for all processes?

26. NS servers that do all the work (queries and response) are known as ?

28. The arpa branch in the DNS namespace is used for ?

29. What file contains the ip of your primary nameserver?

30. What DNS record type is used to specify host to name resolution ?