tin
tout
% idle
% tm_act
第1题:
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()
第2题:
When the length of the run queues, process or thread dispatches interrupts, and lock contention metrics and statistics are analyzed for performance, which of the following resources is being analyzed?()
第3题:
Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()
第4题:
When analyzing disk I/O performance, which of the following metrics and/or statistics should be included in the study?()
第5题:
In an iostat report, which of the following options best describes the value of % iowait?()
第6题:
istat
topas
vmstat
filemon
第7题:
The amount of time taken to service an I/O interrupt
The percentage of time CPU(s) are waiting for page ins
The percentage of time the CPU9(s) are waiting on network
The percentage of time the CPU(s) are waiting for outstanding disk I/O requests
第8题:
filemon
istat
vmstat
iostat
第9题:
CPU
Memory
Disk I/O
Network I/O
第10题:
The total CPU usage for this drive
The bandwidth utilization of the indicated drive
It can best be represented by the equation (%iowait - %ioidle)
It can best be represented by the equation (kilobytes read/kilobytes written) *100
第11题:
df
diagrpt
errmsg
errpt
第12题:
tin
tout
% idle
% tm_act
第13题:
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound?()
第14题:
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat?()
第15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?()
第16题:
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem?()
第17题:
CPU
Memory
Paging space
Disk capacityX
第18题:
lslv
lsfs
lspv
fileplace
第19题:
A representation of the equation (tps/kbps)*100
The percentage of time the disks are idle with no activity
The percentage of time the disks are idle with no outstanding CPU requests
The percentage of time the CPU is idle with no outstanding disk I/O requests
第20题:
vmstat
fileplace
iostat
lvmstat
第21题:
tprof
iostat
svmon
filemon
第22题:
The iostat can only be run as the root user
There could be zero percent I/O wait and still be an I/O bottleneck
Any I/O wait time displayed in output of iostat is an indication of severe I/O bottlenecks
Running iostat without any arguments/parameters is sufficient for resolving I/O bottlenecks
第23题:
% idle
% sys
% user
% iowait
第24题:
Disk size, stock availability, VHDCI
Disk size, distance, temperature, and compatibility
Disk fragmentation, MTBF, and maintenance
Disk configuration, throughput, transactions, queues, and latencies