单项选择题
A. set bcastping to 1
B. set ipforwarding to 1
C. set rfc1323 to 1
D. set directed_broadcast to 1
单项选择题 Whichcommandisusedtoaltertheattributesof"logtype"definedinthealogconfigurationdatabase?（）
单项选择题 Thedataondatavgisinaccessible.Using"df"theuserdiscoversthatnoneofthedatavgfilesystemsaremounted.Running"lsvg"showsonlyrootvg.Running"importvg-y"givesthefollowingerror:"056-056volumecannotbevariedonbecausepvismarkedmissing".Whichofthefollowingstepsshouldbeperformed?（）
单项选择题 AftertheLEDdisplayisflashing888andthesystemisrebooted,whichofthefollowingcommandsshouldbeusedtogatherdumpinformation?（）