Asystemadministratorwouldliketosetasystemtore

单项选择题

Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）

A. INTRA-POLICY set to ’edge’， INTER-POLICY set to maximum
B. INTRA-POLICY set to ’center’， INTER-POLICY set to maximum
C. INTRA-POLICY set to ’middle’， INTER-POLICY set to minimum
D. INTRA-POLICY set to ’center’， INTER-POLICY set to minimum

单项选择题

The system administrator notices that IP packets are not getting forwarded. The system administrator wants to use an AIX machine as an internetwork router over TCP/IP networks. Which of the following commands will allow this change on the fly？（）

A. Some network attributes are runtime attributes that can be changed at any time. Others are loadtime attributes that must be set before the netinet kernel extension is loaded and be placed in the /etc/rc.net or /etc/rc.bsdnet file. This parameter cannot be done on the fly， since a reboot is required.
B. Add to the /etc/rc.net file or if a Berkelye-style network configuration， /etc/rc.bsdnet， and issue the command： no -a ipforwarding=1 to start ipforwarding immediately.
C. Add to the /etc/rc.net file or if a Berkeley-style network configuration， /etc/rc.bsdnet， and issue the command： no -o ipforwarding=0 to start ipforwarding immediately.
D. Add to the /etc/rc.net file or if a Berkeley-style network configuration， /etc/rc.bsdnet， and issue the command： no -o ipforwarding=1 to start ipforwarding immediately.

单项选择题

Which of the following commands is run to adjust the number of free paging-space pages at which AIX begins killing processes？（）

A. schedtune
B. rmss
C. rmps
D. vmtune

A system administrator would like to set a system to reboot after a crash. What is the best way to do this？（）

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