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You observe that a database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine that required size of the database buffer cache？ （）
- A、 Memory Advisor
- B、 Segment Advisor
- C、 SQL Tuning Advisor
- D、 SQL Access Advisor
- E、 Automatic Database Diagnostic Monitor （ADDM）
参考答案
更多 “You observe that a database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine that required size of the database buffer cache？ （）A、 Memory AdvisorB、 Segment AdvisorC、 SQL Tuning AdvisorD、 SQL Access AdvisorE、 Automatic Database Diagnostic Monitor （ADDM）” 相关考题
考题
When observe , you use a part of your body as the tool. ()
A. temperatureB. pulseC. blood pressureD. respiration
考题
You are entering port and have been instructed to anchor，as your berth is not yet available．You are on a SW'ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam．You should ______．A.not drop the anchor until the lights are in lineB.ensure your ship will NOT block the channel or obstruct the range while at anchorC.drop the anchor immediately as the range lights mark an area free of obstructionsD.drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
考题
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn．If you observe the buoy moving aft relative to you，what should you do ________．A.Increase the rate of turnB.Decrease the rate of turnC.Maintain a constant rate of turnD.Decrease speed
考题
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon ______．A.The center of the storm will by-pass youB.The storm will strike you on the starboard sideC.You are in the direct path of the storm and should take immediate steps to batten down loose gearD.The storm is starting to break up
考题
In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should ______.A.stop your enginesB.sound the danger signal at two-minute intervalsC.hold course and speed until the other vessel is sightedD.take avoiding action as soon as possible
考题
In order to detect rot in manila lines, you should ______.A.feel the surface of the line for broken fibersB.measure the reduction in circumference of the lineC.observe any mildew on the outer surfaceD.open the strands and examine the inner fibers
考题
The use of the expression “I won't bore you with .all the detail ...” includes that people usually observe the（ ）maxim in their daily conversations.A.Quantity
B.Quality
C.Relevance
D.Manner
考题
If you observe more closely, Margaret is（）of the two girls.Athe tallerBtallerCthe tallestDtallest
考题
If you observe more closely, Margaret is（）of the two girls.A、the tallerB、tallerC、the tallestD、tallest
考题
You need to troubleshoot an issue on the switched LAN. When you issue a command "show port3/1" on a switch， you observe the Giants column has a non-zero entry. What could cause this？（）A、IEEE 802.10B、Misconfigured NICC、User configurationD、IEEE 802.1QE、None of the other alternatives apply
考题
单选题Risk of collision may be deemed to exist（）.A
if the compass bearing of an approaching vessel does not appreciably changeB
even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC
if you observe both sidelights of a vessel ahead for an extended period of timeD
All of the above
考题
单选题While underway at night you observe a vessel’s range lights in line off your starboard beam． You should（）.A
come rightB
sound the danger signalC
continue on your courseD
come left
考题
单选题You observe that database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine the required size of the database buffer cache？（）A
Memory AdvisorB
Segment AdvisorC
SQL Tuning AdvisorD
SQL Access AdvisorE
Automatic Database Diagnostic Monitor （ADDM）
考题
单选题You need to troubleshoot an issue on the switched LAN. When you issue a command "show port3/1" on a switch， you observe the Giants column has a non-zero entry. What could cause this？（）A
IEEE 802.10B
Misconfigured NICC
User configurationD
IEEE 802.1QE
None of the other alternatives apply
考题
单选题You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.A
Increase the rate of turnB
Decrease the rate of turnC
Maintain a constant rate of turnD
Decrease speed
考题
单选题You are inspecting the lower main precision bearings on a diesel engine.You observe that about half the thin Babbitt linings are of a milky white colourThis condition is caused by （）A
large dirt particles in the oil supplyB
insufficient lubricating oil and overheatingC
normal wearD
water contamination of the lube oil
考题
单选题You observe that a database performance has degraded over a period of time. While investigating the reason， you find that the size of the database buffer cache is not large enough to cache all the needed data blocks. Which advisory component would you refer to， in order to determine that required size of the database buffer cache？ （）A
Memory AdvisorB
Segment AdvisorC
SQL Tuning AdvisorD
SQL Access AdvisorE
Automatic Database Diagnostic Monitor （ADDM）
考题
单选题From your position you observe a rotating white and green light to the north. This light is most likely（）.A
from a submarine on the surfaceB
the light at Southeast PointC
at an airportD
on a coastal patrol vessel
考题
单选题If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, which of the following actions should be taken FIRST?（）A
Close the valves at the transfer manifoldB
Notify the person in charge of the shore facilityC
Shut down the transfer operationD
Sound the fire alarm
考题
单选题Risk of collision may exist（）.A
if the compass bearing of an approaching vessel does not appreciably changeB
even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC
if you observe both sidelights of a vessel ahead for an extended period of timeD
All of the above
考题
单选题In fog you observe your radar and determine that risk of collision exists with a vessel which is 2 miles off your port bow. You should（）.A
stop your enginesB
sound the danger signal at two-minute intervalsC
hold course and speed until the other vessel is sightedD
take avoiding action as soon as possible
考题
多选题In your production database， you observe that users’ transactions are consuming a lot of resources and you plan to impose resource restrictions by using Resource Manager. For which three resources can you enable usage restrictions by using Resource Manager？ （）ACPU usageBdegree of parallelismCnumber of open cursorsDnumber of sorts performedEidle time for blocking sessionsFnumber of disk I/O operations performedGnumber of memory I/O operations performed
考题
单选题The use of the expression I won't bore you with all the detail..…includes that people usually observe the _________ maxim in their daily conversations.A
QuantityB
QualityC
RelevanceD
Manner
考题
单选题If you observe more closely, Margaret is（）of the two girls.A
the tallerB
tallerC
the tallestD
tallest
考题
单选题If you observe smoke coming from the turbocharger of an auxiliary diesel engine, you should（）A
check the air filter for obstructionB
check for an exhaust leakC
check the exhaust temperatureD
secure the engine
考题
多选题You work as a database administrator at Certkiller .com. In your production database， you observe that users’ transactions are consuming a lot of resource and you plan to impose resource restrictions by using Resource Manager. For which three resources can you enable usage restrictions by using Resource Manager？ （）ACPU usageBdegree of parallelismCnumber of open cursorsDnumber of sorts performedEidle time for blocking sessionsFnumber of disk I/O operations performedGnumber of memory I/O operations performed
考题
单选题You are entering port and have been instructed to anchor，as your berth is not yet available.You are on a SW’ly heading，preparing to drop anchor，when you observe the range lights as shown on your starboard beam.You should（）.A
not drop the anchor until the lights are in lineB
ensure your ship will NOT block the channel or obstruct the range while at anchorC
drop the anchor immediately as the range lights mark an area free of obstructionsD
drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor
考题
单选题From your position you observe a rotating white and green light to the north. This light is most likely（）.A
at an airportB
on a naval mine-countermeasures vesselC
Block Island North LightD
on a vessel engaged in public safety activity
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