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An AIX system administrator wants to be able to monitor disk usage and to be able to control how much disk space can be used. Which command is run to obtain the desired output?（）
A . /usr/bin/filemon
B . /usr/bin/startsrc
C . /usr/sbin/acct/startup
D . /usr/bin/df
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A liquid indicator sight glass is useful in determining whether or not a refrigeration system is sufficiently chargedIt is generally located in the（）.
A . high pressure liquid line
B . low pressure liquid line
C . high pressure vapor line
D . low pressure vapor line
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After extinguishing a paint locker fire using the fixed CO2 system，the next action is to have the space（）.
A . opened and burned material removed
B . left closed with vents off until all boundaries are cool
C . checked for oxygen content
D . doused with water to prevent reflash
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The device used for preventing the passage of flames into enclosed spaces is called a （）.
A . flame relief valve
B . flame stopper
C . safety valve
D . flame arrester
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The server host1 has been set up as a backup system with the following /etc/exports./backups -rw. How can a second server regularly use this disk space?（）
A . /usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1
B . /usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg
C . /usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g
D . /usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00
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A customer needs to remove an unnecessary, but active paging space called paging00 on an AIX 5L system. Which of the following procedures should be used to properly remove the paging space with the least amount of disruption?（）
A . Remove the paging space with the rmps command.
B . Disable the paging space with the chps command, swapoff /dev/paging00, and remove the paging00 logical volume with the rmps command.
C . Reboot the system and disable the paging space with the rmps command.
D . Disable the paging space with the chps command, swapoff /dev/paging00, reboot the system, remove the paging00 logical volume with the rmps command.&e
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One of the disadvantages of using carbon dioxide to extinguish a fire in an enclosed space is （）.
A . the "snow" which is sometimes discharged along with the gas is toxic
B . prolonged exposure to high concentrations of C0
gas causes suffocation
C . rapid dissipation of the C0
vapor
D . the C0
gas is lighter than air and a large amount is required to extinguisha fire near the deck
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An orifice-check valve placed in a hydraulic system is used to（）
A . regulate the fluid flow in either direction
B . restrict movement of hydraulic fluid in one direction, but allow free movement in the other direction
C . allow free movement of hydraulic fluid in both directions
D . allow a restricted fluid flow in one direction only
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For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）
A . 0.4 nanometers
B . 0.6 nanometers
C . 0.8 nanometers
D . 1.2 nanometers
E . 1.6 nanometer
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A permanent chain chasing system is used to（）.
A . clean anchor chain as it's hauled in
B . recover anchors which have lost their buoys
C . run and retrieve anchors
D . prepare anchor chain for inspectio
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The server host1 has been set up as a backup system with the following /etc/exports：/backups -rw. How can a second server regularly use this disk space？（）
A . /usr/sbin/mkfs -s 8G -o nbpi=2048，frag=512 /dev/lv00 -b -l host1
B . /usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg
C . /usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g
D . /usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00
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While you are working in a space，the fixed CO2 system is accidentally activated．You should（）.
A . Secure the applicators to preserve the charge in the cylinders
B . Continue with your work as there is nothing you can do to stop the flow of CO
C . Retreat to fresh air and ventilate the compartment before returning
D . Make sure all doors and vents are secured
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A Business Partner is proposing the installation an IBM XIV Storage System at a customer location. What is the best time to discuss floor space requirements for the solution（）
A . during the Technical Delivery and Assessment
B . during installation of the equipment
C . prior to delivery of the XIV
D . during the solution proposal
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What is commonly used to create turbulence in a diesel engine combustion system?（）
A . Shape of the piston crowns
B . Increasing the compression ratios
C . Increasing the piston crowns
D . Increasing the turbocharger gear ratio
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The server host1 has been set up as a backup system with the following /etc/exports： /backups -rw How can a second server regularly use this disk space？（）
A . /usr/sbin/mkfs -s 8G -o nbpi=2048，frag=512 /dev/lv00 -b -l host1
B . /usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg
C . /usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g
D . /usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00
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The df command indicates that a filesystem is full， however， the du command indicates that not all space is allocated. How would the system administrator isolate the discrepancy（）
A . Use the fuser command to identify deleted but open files.
B . Use the ipcs command to view orphan shared memory segments.
C . Use the defrag command to determine if the filesystem is fragmented.
D . Use the topas command to identify processes using the most system resources.
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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 -w
B . svmon -w
C . schedtune -w
D . vmstat -
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While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）
A . r is greater than 40
B . id is greater than 50
C . sum of id and wa equals 50
D . sum of us and sy equals 100
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Fuel injection uses the jet pump system and a Woodward type hydraulic （） is used to control engine speed.
A . controller
B . governor
C . instrument
D . apparatu
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For lasers with tightly controlled wavelengths， approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system？ （）
A . 0.4 nanometers
B . 0.6 nanometers
C . 0.8 nanometers
D . 1.2 nanometers
E . 1.6 nanometer
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Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system？（）
A . foo ； lsps -s
B . tprof -kx ； foo
C . iostat ； foo ； iostat
D . vmstat -s ； foo ； vmstat&e
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Language is a system of arbitrary vocal symbols used for human _____.
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The server host1 has been set up as a backup system with the following /etc/exports./backups -rw.How can a second server regularly use this disk space？（）
A．/usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1
B．/usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg
C．/usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g
D．/usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00
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A system using Discretionary Access Control （DAC) is vulnerable to which one of the fo
A．Trojan horse
B．Phreaking
C．Spoofing
D．SYN flood
