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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 drive
B
The bandwidth utilization of the indicated drive
C
It can best be represented by the equation (%iowait - %ioidle)
D
It can best be represented by the equation (kilobytes read/kilobytes written) *100
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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
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In an iostat report, which of the following options best describes the value of % idle?()A、 A representation of the equation (tps/kbps)*100B、 The percentage of time the disks are idle with no activityC、 The percentage of time the disks are idle with no outstanding CPU requestsD、 The percentage of time the CPU is idle with no outstanding disk I/O requests
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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
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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
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It thwarts man-in-the-middle attacks.
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Humanistic.B
Subjective.C
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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
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考题
单选题In an iostat report, which of the following options best describes the value of % idle?()A
A representation of the equation (tps/kbps)*100B
The percentage of time the disks are idle with no activityC
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The percentage of time the CPU is idle with no outstanding disk I/O requests
考题
单选题Which of the following BEST describes the function of a redundant power supply?()A
Provides additional diagnostic LEDsB
Reduces power consumptionC
Eliminates a single point of failureD
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考题
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 can best be represented by the equation (kilobytes read/kilobytes written) *100
考题
单选题Which of the following BEST describes the function of a redundant power supply?()A
Provides additional diagnostic LEDsB
Reduces power consumptionC
Eliminates a single point of failureD
Reduces total cost of ownership
考题
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metonymyB
homonymyC
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hyponymy
考题
单选题Which of the following BEST describes a Blade server?()A
Provides higher levels of physical redundancy than a typical serverB
Provides better rack space utilization than a typical serverC
Is 1.75 inches in height to fit properly in a rackD
Uses an unshared backplane
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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
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Enhanced credibility, higher profits, less competitive pressureC
One source for elements, cleaner design, simpler supportD
Locks competitors out of account
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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
考题
单选题Consider the following: Which statement best describes the meaning of the value for the key_len column?()A
It shows the total size of the index rowB
It shows how many columns in the index are examinedC
It shows the number of characters indexed in the keyD
It shows how many bytes will be used from each index row
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