filemon
istat
vmstat
iostat
第1题:
Which of the following commands should be used to observe the number of system calls per second? ()
第2题:
Which of the following commands should be used to determine whether a logical volume is contiguous across a disk?()
第3题:
Which of the following WLM commands should be used to monitor performance on a system running wlm?()
第4题:
Which of the following commands can be used to determine if a disk drive is causing a bottleneck?()
第5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6题:
iptrace
vmstat
hostname
ifconfig
第7题:
lslv
lsfs
lspv
fileplace
第8题:
vmstat
fileplace
iostat
lvmstat
第9题:
extendvg
cfgmgr
reducevg
varyoffvg
第10题:
Mirroring, with the write-verify option turned on, can be used to increase performance.
Mirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.
Mirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.
Mirroring, with maximum inter-disk allocation policy, is used to enhance availability.
第11题:
% idle
% sys
% user
% iowait
第12题:
Disk size, stock availability, VHDCI
Disk size, distance, temperature, and compatibility
Disk fragmentation, MTBF, and maintenance
Disk configuration, throughput, transactions, queues, and latencies
第13题:
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()
第14题:
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound?()
第15题:
Which of the following commands should be used to show the percentage of time that any given disk was busy?()
第16题:
When analyzing disk I/O performance, which of the following metrics and/or statistics should be included in the study?()
第17题:
CPU
Memory
Paging space
Disk capacityX
第18题:
istat
topas
vmstat
filemon
第19题:
filemon
istat
vmstat
iostat
第20题:
sar
iostat
svmon
vmstat
第21题:
ps
tprof
iostat
vmstat
第22题:
wlmcntrl
wlmstat
wlmcheck
wlmassign
第23题:
tin
tout
% idle
% tm_act
第24题:
chvg
rmdev
reducevg
exportvg