当前分类： IBM(000-234)
问题：单选题The bos.perf package is part of the base operating system. Performance Diagnostic tool， PDT， is a part of bos.perf. All of the following statements are true EXCEPT？（）A PDT attempts to identify performance problems automatically by collecting and inte...
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问题：单选题In an iostat report， which of the following options best describes the value of % tm_act？（）A The total CPU usage for this driveB The bandwidth utilization of the indicated driveC It can best be represented by the equation （%iowait - %ioidle）D It ca...
问题：单选题Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）A The iostat can only be run as the root userB There could be zero percent I/O wait and still be an I/O bottleneckC Any I/O wait time displayed in output of iostat is...
问题：单选题Which of the following commands is used to display detailed ethernet statistics for ent0？（）A ifconfig ent0B entstat -d ent0C netstat -iD lscfg -vl ent0...
问题：单选题Which of the following commands is most useful in initially collecting data to determine a network performance problem？（）A pingB traceC ifconfigD lsattr...
问题：单选题An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level？（）A vmtune -wB s...
问题：单选题Given the following on a system that is not a name server， which will be the first area searched to resolve a host name to an IP address？（） #cat /etc/resolv.conf domain abc.century.com nameserver 192.9.201.1 nameserver 192.9.201.2 #cat /etc/net...
问题：单选题A TCP/IP application is transferring files from a personal machine to a remote machine. The application writes 32 kilobytes of data at a time to the socket， but has not issued a system call to set the window size. Which of the following procedures sh...
问题：单选题Which of the following performance tools can be used to determine if a system is thrashing？（）A svmon and tprofB vmtune and schedtuneC ps and schedtuneD vmstat and topas...
问题：单选题Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）A Run defragfs -r /data1； defragfs /data1B Run defragfs -r /dev/lv01； defragfs /dev/lv01C Back u...
问题：单选题Which of the following commands should be used to view and change the network filesystem tuning parameters available on the system？（）A noB nfsoC vmtuneD exportfs...
问题：单选题Using the schedtune output， memory is considered over-committed if：（）A more than one process is spinning.B more than 4 processes become active.C the system schedules more than 16 processes.D the pageouts divided by page steals is greater than 1...
问题：单选题When a system has both online transaction processing as well as large batch processing， which of the following common procedures will best help to improve system performance？（）A Boost the priority of batch jobs.B Schedule batch runs to reduce content...
问题：单选题Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）A % idleB % sysC % userD % iowait...
问题：单选题The nice value is 60 in the ps listing. Which command is used to change this to a value of 20？（）A renice -n -20 {PID}B renice -n 20 {PID}C renice -n -40 {PID}D renice -n 40 {PID}...
问题：Which of the following options would best help to reduce pac...
问题：单选题Which of the following commands will only provide a snapshot of average memory usage for a process？（）A vmtuneB ps auC iostatD rmss -m...
问题：单选题Which of the following commands can be used to obtain information about filesets on the system that are later than the current maintenance level？（）A lslpp -IB uname -rC oslevel -gD rpcinfo -p...
