当前分类： IBM(000-234)
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...
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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：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 is true about rmss？（）A rmss is a part of performance toolbox and stands for Reduced Memory System SimulatorB rmss is a part of perfpmr and stands for Real Memory System SimulatorC rmss is part of the standard bos.perf filesets...
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After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）A Kernel threadB Too many usersC Memory shortageD Network contention...
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...
问题：单选题Which of the following commands should be used to obtain information about the software packages available on the installation media？（）A lsattrB inutocC installpD lsresource...
问题：单选题In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）A It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.B It is a JFS moun...
问题：单选题Which of the following options would best help to reduce packet fragmentation for a TCP application transferring large amounts of data between servers across a path of multiple networks？（）A Adjust Path MTU attributes， using the no command.B Adjust th...
问题：单选题A system administrator would like to set a system to reboot after a crash. What is the best way to do this？（）A smit chgsysB bosbootC smit dumpD bootlist -r...
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 system administrator notices that after running netstat -rn， several small c’s are showing up under the flags columns， and routes that were not defined are also showing up. How can these cloned routes be stopped？（）A By default cloned routes are tu...
