_______ encrypt connections between company networks and remote users, such as workers connecting from home, creating a secure virtual connection to a company LAN across the Internet.
A.
Loggers
B.
Biometrics
C.
Virtual private networks
D.
Web bugs
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【单选题】In posting from the purchases journal to the subsidiary ledger, an employee posts a purchase of 990 yuan as 909 yuan. He should become aware that an error has occurred
A.
when the general ledger trial balance is taken.
B.
when the purchases journal is totaled.
C.
when the subsidiary ledger is reconciled with the controlling account.