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單項選擇題

Which system provides redundant system clocks？（）

A.Power 595
B.Power 560
C.Power 570
D.Power 550

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單項選擇題

During an attempt to ’scp’ between two hosts， an error indicating PRNG is not seeded is displayed.What is the likely cause of the error？（）

A.The sshd user id is locked.
B.The /var/empty directory needs to be created.
C.PRNG is set to ’no’ in the /etc/ssh/sshd_config file.
D.The permissions on /dev/random and /dev/urandom are incorrect.

單項選擇題

What must an administrator do to prevent new telnet users from connecting to the system？（）

A.rmdev -l /dev/pts
B.touch /etc/nologin
C.chdev -l sys0 -a nologin
D.chuser -a login=false ALL

Which system provides redundant system clocks？（）

你可能感興趣的試題

During an attempt to ’scp’ between two hosts， an error indicating PRNG is not seeded is displayed.What is the likely cause of the error？（）

What must an administrator do to prevent new telnet users from connecting to the system？（）

Which system provides redundant system clocks？（）

During an attempt to ’scp’ between two hosts， an error indicating PRNG is not seeded is displayed.What is the likely cause of the error？（）

What must an administrator do to prevent new telnet users from connecting to the system？（）