問題文
The header of a threatening message points at an address that belonged to a machine on the estate at the time. Which pair of steps does the guidance set out next?
選択肢
- Work out from the records of the mail service which machine that was, then read the records of name lookup on it to see which account was in use.
- Work out from the records of name lookup which machine that was, then read the records of signing in on it to see which account was in use.
- Work out from the records of address handout which machine that was, then read the records of signing in on it to see which account was in use.
- Work out from the records of address handout which machine that was, then read the records of the service to see which account was in use.