单项选择题

Duringaboot,whichofthefollowingproceduresismostlikelyto……

During a boot, which of the following procedures is most likely to present a menu that prompts the user to copy a dump?（）

A. Set the dump device to /dev/hd6.
B. Run sysdumpdev to set the force copy flag for dump to true.
C. Run sysdumpdev to set the force copy flag for dump to false.
D. Increase space in the /tmp directory.

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单项选择题Asystemadministratorhasruntopasonaserver.Theoutputshowsthatthe%iowaitofthesystemis60%andthatmostofthediskactivityisonhdisk0.Whichofthefollowingproceduresshouldbeperformedtofixthisproblem?（）

A. Replace the hard disk with a faster disk drive.
B. Add another paging space on another hdisk.
C. Spread the data hdisk0 across several hdisks.
D. Nothing, since %iowait is a measurement of CPU time.

单项选择题OnanewlyinstalledAIXV4machine,whichofthefollowingdefaultvaluesappliestotheipforwardingnetworkoption?（）

A. The ipforwarding is off by default.
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C. The value is dynamically determined at boot time by DHCP.
D. The value is equal to the setting of the directed_broadcast runtime attribute.

单项选择题WhichofthefollowingstatementsisTRUEabouttheprimarysystemdumpdevice?（）

A. It is shared.
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D. It can be an external device.

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A. cy != 1
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单项选择题To examine the Exhibit, press the Exhibit button. Based on the output of the netstat -p udp command as shown in the exhibit, which of the following procedures should be performed?（）

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B. Increase the number of biod's on the client.
C. Decrease the number of nfsd's on the server.
D. Increase the size of nfs_socketsize on the server.