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
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）
- A、 % idle
- B、 % sys
- C、 % user
- D、 % iowait
相关考题：
WhichofthefollowingmetricsprovidedbytheiostatreportisusedtoinitiallydetermineifasystemisI／Obound?() A.%idleB.%sysC.%userD.%iowait
Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）A、 istatB、 topasC、 vmstatD、 filemon
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 can best be represented by the equation （kilobytes read/kilobytes written） *100
Which of the following commands should be used to observe the number of system calls per second? （）A、 sar B、 iostat C、 svmon D、 vmstat
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）A、 tinB、 toutC、 % idleD、 % tm_act
Which iostat %iowait minimum threshold indicates a possible I/O bottleneck?（）A、20% B、40% C、60% D、80%
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 an indication of severe I/O bottlenecks D、 Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks
Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）A、 vmstat B、 fileplace C、 iostat D、 lvmstat
In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A、 tprofB、 iostatC、 svmonD、 filemon
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A、 filemonB、 istatC、 vmstatD、 iostat
Which of the following commands should be used to report statistics on network protocols used by the system？（）A、 lsattrB、 pstatC、 netstatD、 ifconfig
A user calls to report they are getting I/O errors on a file system. Which of the following tools should be used to isolate this problem？（）A、dfB、diagrptC、errmsgD、errpt
An AIX system， which is running a database， is having performance issues with I/O writing. The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance. To set these numbers， which of the following commands would be used？（）A、 perfmon -h 30 -l 25B、 chdevC、 no -oD、 smit chgsys
In an iostat report， which of the following options best describes the value of % iowait？（）A、 The amount of time taken to service an I/O interruptB、 The percentage of time CPU（s） are waiting for page insC、 The percentage of time the CPU9（s） are waiting on networkD、 The percentage of time the CPU（s） are waiting for outstanding disk I/O requests
单选题A system administrator ran the iostat command because of system performance problems. The following iostat output is provided： Based on the output， which of the following is insufficient？（）A CPUB MemoryC Paging spaceD Disk capacityX
单选题In an iostat report， which of the following options best describes the value of % iowait？（）A The amount of time taken to service an I/O interruptB The percentage of time CPU（s） are waiting for page insC The percentage of time the CPU9（s） are waiting on networkD The percentage of time the CPU（s） are waiting for outstanding disk I/O requests
单选题Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）A filemonB istatC vmstatD iostat
单选题Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）A vmstat B fileplace C iostat D lvmstat
单选题Which of the following commands should be used to observe the number of system calls per second? （）A sar B iostat C svmon D vmstat
单选题In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）A tprofB iostatC svmonD filemon
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 can best be represented by the equation （kilobytes read/kilobytes written） *100
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 an indication of severe I/O bottlenecks D Running iostat without any arguments/parameters is sufficient for resolving I/O bottlenecks
单选题Which iostat %iowait minimum threshold indicates a possible I/O bottleneck?（）A20% B40% C60% D80%
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
单选题An AIX system， which is running a database， is having performance issues with I/O writing. The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance. To set these numbers， which of the following commands would be used？（）A perfmon -h 30 -l 25B chdevC no -oD smit chgsys
单选题Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）A tinB toutC % idleD % tm_act
单选题Which of the following commands should be used to report statistics on network protocols used by the system？（）A lsattrB pstatC netstatD ifconfig