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 ref

题目

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 Advisor
  • B、Segment Advisor
  • C、SQL Tuning Advisor
  • D、SQL Access Advisor
  • E、Automatic Database Diagnostic Monitor （ADDM）
相似考题

1.When observe , you use a part of your body as the tool. ()A. temperatureB. pulseC. blood pressureD. respiration

2.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

3.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

4.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

更多“You observe that&ensp”相关问题

  • 第1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 engines

    B.sound the danger signal at two-minute intervals

    C.hold course and speed until the other vessel is sighted

    D.take avoiding action as soon as possible


    正确答案：D
    在雾中你观测雷达并确定与在你左舷船首2海里处的船舶存在碰撞危险。你应尽可能早地采取避碰行动

  • 第2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

    答案：A
    解析：
    本题考查会话含义理论。题干意思：“我不会把所有的细节都说给你听”这种表达表明人们在日常交谈中通常会遵守什么准则Quantity maxim“数量准则”，Quality maxim“质量准则”，Relevancemaxim“关联准则”．Manner maxim“方式准则”。在合作原则中，数量准则是指：①使你说的话语如（交谈的当前目的）所要求的那样信息充分。②不要使你的话语比所要求的信息更充分。故本题选A。

  • 第3题：

    If you observe more closely, Margaret is（）of the two girls.

    • A、the taller  
    • B、taller  
    • C、the tallest
    • D、tallest

    正确答案:A

  • 第4题：

    单选题
    Risk of collision may be deemed to exist（）.
    A

    if the compass bearing of an approaching vessel does not appreciably change

    B

    even when an appreciable bearing change is evident, particularly when approaching a vessel at close range

    C

    if you observe both sidelights of a vessel ahead for an extended period of time

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第5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 Advisor

    B

    Segment Advisor

    C

    SQL Tuning Advisor

    D

    SQL Access Advisor

    E

    Automatic Database Diagnostic Monitor （ADDM）


    正确答案： C
    解析： 暂无解析

  • 第6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 turn

    B

    Decrease the rate of turn

    C

    Maintain a constant rate of turn

    D

    Decrease speed


    正确答案： C
    解析： 暂无解析

  • 第7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 Advisor

    B

     Segment Advisor

    C

     SQL Tuning Advisor

    D

     SQL Access Advisor

    E

     Automatic Database Diagnostic Monitor （ADDM）


    正确答案： B
    解析： 暂无解析

  • 第8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 manifold

    B

    Notify the person in charge of the shore facility

    C

    Shut down the transfer operation

    D

    Sound the fire alarm


    正确答案： D
    解析： 暂无解析

  • 第9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 engines

    B

    sound the danger signal at two-minute intervals

    C

    hold course and speed until the other vessel is sighted

    D

    take avoiding action as soon as possible


    正确答案： D
    解析： 暂无解析

  • 第10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

    Quantity

    B

    Quality

    C

    Relevance

    D

    Manner


    正确答案： D
    解析：

  • 第11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 obstruction

    B

    check for an exhaust leak

    C

    check the exhaust temperature

    D

    secure the engine


    正确答案： D
    解析： 暂无解析

  • 第12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 line

    B

    ensure your ship will NOT block the channel or obstruct the range while at anchor

    C

    drop the anchor immediately as the range lights mark an area free of obstructions

    D

    drop the anchor immediately as a change in the position of the range lights will be an indication of dragging anchor


    正确答案： A
    解析： 暂无解析

  • 第13题：

    In order to detect rot in manila lines, you should ______.

    A.feel the surface of the line for broken fibers

    B.measure the reduction in circumference of the line

    C.observe any mildew on the outer surface

    D.open the strands and examine the inner fibers


    正确答案：D
    为了检测马尼拉绳的腐烂，你应掰开绳股并检查里面的纤维。

  • 第14题：

    If you observe more closely, Margaret is（）of the two girls.

    Athe taller  

    Btaller  

    Cthe tallest

    Dtallest


    A
    略

  • 第15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 802.10
    • B、Misconfigured NIC
    • C、User configuration
    • D、IEEE 802.1Q
    • E、None of the other alternatives apply

    正确答案:D

  • 第16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 right

    B

    sound the danger signal

    C

    continue on your course

    D

    come left


    正确答案： D
    解析： 暂无解析

  • 第17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 802.10

    B

    Misconfigured NIC

    C

    User configuration

    D

    IEEE 802.1Q

    E

    None of the other alternatives apply


    正确答案： B
    解析： 暂无解析

  • 第18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 supply

    B

    insufficient lubricating oil and overheating

    C

    normal wear

    D

    water contamination of the lube oil


    正确答案： A
    解析： 暂无解析

  • 第19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 surface

    B

    the light at Southeast Point

    C

    at an airport

    D

    on a coastal patrol vessel


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    Risk of collision may exist（）.
    A

    if the compass bearing of an approaching vessel does not appreciably change

    B

    even when an appreciable bearing change is evident, particularly when approaching a vessel at close range

    C

    if you observe both sidelights of a vessel ahead for an extended period of time

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第21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？ （）
    A

    CPU usage

    B

    degree of parallelism

    C

    number of open cursors

    D

    number of sorts performed

    E

    idle time for blocking sessions

    F

    number of disk I/O operations performed

    G

    number of memory I/O operations performed


    正确答案： C,E
    解析： 暂无解析

  • 第22题：

    单选题
    If you observe more closely, Margaret is（）of the two girls.
    A

    the taller  

    B

    taller  

    C

    the tallest

    D

    tallest


    正确答案： A
    解析： 暂无解析

  • 第23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？ （）
    A

    CPU usage

    B

    degree of parallelism

    C

    number of open cursors

    D

    number of sorts performed

    E

    idle time for blocking sessions

    F

    number of disk I/O operations performed

    G

    number of memory I/O operations performed


    正确答案： E,C
    解析： 暂无解析

  • 第24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 airport

    B

    on a naval mine-countermeasures vessel

    C

    Block Island North Light

    D

    on a vessel engaged in public safety activity


    正确答案： B
    解析： 暂无解析

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