单项选择题
Which system provides redundant system clocks？（）
A.Power 595
B.Power 560
C.Power 570
D.Power 550
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相关考题
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单项选择题
Duringanattemptto’scp’betweentwohosts，anerrorindicatingPRNGisnotseededisdisplayed.Whatisthelikelycauseoftheerror？（）
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. -
单项选择题
Whatmustanadministratordotopreventnewtelnetusersfromconnectingtothesystem？（）
A.rmdev -l /dev/pts
B.touch /etc/nologin
C.chdev -l sys0 -a nologin
D.chuser -a login=false ALL -
单项选择题
IBMremotesupportforhardwaremaintenanceisrequiredforseveralmissioncriticalPower595servers.Thedatacenterisverysecurityconsciousanddoesnotallowinternetaccess.HowshouldanadministratorconfigureoutboundconnectivityofElectronicServiceAgent？（）
A.VPN
B.Modem
C.Private LAN
D.Pass-through systems
