ViewtheExhibittoexaminetheoutputproducedbythefollowingqueryatthreedifferenttimessincethedatabaseinstancestartedandhasexperiencedworkloadsofdifferentcapacities:SQL>SELECTsubstr(component,0,10)COMP,current_sizeCS,user_specified_sizeUSFROMv$memory_dynamic_co

题目

ViewtheExhibittoexaminetheoutputproducedbythefollowingqueryatthreedifferenttimessincethedatabaseinstancestartedandhasexperiencedworkloadsofdifferentcapacities:SQL>SELECTsubstr(component,0,10)COMP,current_sizeCS,user_specified_sizeUSFROMv$memory_dynamic_componentsWHEREcurrent_size!=0;Whatdoyouinferfromthis()

A.ThedatabaseinstanceisrunningwithmanualPGAmanagement.

B.Thedatabaseinstanceisrunningwithmanualsharedmemorymanagement.

C.ThedatabaseinstancehastheMEMORY_TARGETvaluesettoanonzerovalue.

D.Allsessionsareconnectedtothedatabaseinstanceindedicatedmode,andnoRMANorparallelqueryoperationshavebeenperformed


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参考答案和解析
参考答案:C
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  • 第1题:

    下面()是正确的DOS命令。

    • A、COMP A:*.BAK B:*.BAK
    • B、COMP A:B:
    • C、DISKCOMP A:ABC B:ABC

    正确答案:A

  • 第2题:

    下列()是news服务的URL的正确范例。

    • A、news:comp.infosystems.www.misc
    • B、news://comp.infosystems.www.misc
    • C、//comp.infosystems.www.misc
    • D、comp.infosystems.www.misc

    正确答案:B

  • 第3题:

    下面哪些组件提供add(Component comp)方法用于包含其他组件()。

    • A、Applet
    • B、MenuBar
    • C、Frame
    • D、Panel
    • E、MenuItem

    正确答案:A,B,C,D

  • 第4题:

    ejb环境变量如何调用名为ejbC的ejb ()

    • A、 initCtx.lookup("java:comp/env/ejb/ejbC")
    • B、 initCtx.lookup("java:comp/ejb/ejbC")
    • C、 initCtx.lookup("java:comp/ejbC")
    • D、 initCtx.lookup("java:comp/env/ejbC")

    正确答案:D

  • 第5题:

    Which component of the Oracle networking architecture provides character set and data type conversion between different character sets on the client and server? ()

    • A、SQL*Plus
    • B、Oracle Net
    • C、Two-Task Common (TTC)
    • D、Oracle Protocol Support (OPS)

    正确答案:C

  • 第6题:

    Which component does the SQL Tuning Advisor NOT analyze for the SQL statements?()  

    • A、ADDM
    • B、AWR
    • C、Cursor Cache
    • D、SQL Tuning Sets
    • E、Flash Recovery Area

    正确答案:E

  • 第7题:

    An on-premise .NET application uses an on-premise Microsoft SQL Server 2008 database.  The existing compute infrastructure is insufficient to support peak loads.   You plan to move only the compute-intensive component of the application into Windows Azure.  The component requires access to the on-premise database.   The on-premise database cannot be accessed from outside the network boundary.  You need to recommend a database topology.  What should you recommend?()

    • A、 Use SQL Azure for the on-premise components and the compute-intensive component.
    • B、 Configure merge replication with the on-premise database as publisher and the SQL Azure database as subscriber.
    • C、 Configure snapshot replication with the on-premise database as publisher and the SQL Azure database assubscriber.
    • D、 Configure snapshot replication with the SQL Azuredatabase as publisher and the on-premise database as subscriber.

    正确答案:A

  • 第8题:

    单选题
    Which component does the SQL Tuning Advisor NOT analyze for the SQL statements?()
    A

    ADDM

    B

    AWR

    C

    Cursor Cache

    D

    SQL Tuning Sets

    E

    Flash Recovery Area


    正确答案: C
    解析: 暂无解析

  • 第9题:

    多选题
    某小区T_COMP=2,T_TDROP=3,其具体对应的值,正确的是()
    A

    T_COMP=1dB

    B

    T_TDROP=4秒

    C

    T_COMP=2dB

    D

    T_TDROP=2秒

    E

    T_TDROP=3秒


    正确答案: A,E
    解析: 暂无解析

  • 第10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: A
    解析: 暂无解析

  • 第11题:

    单选题
    下列()是news服务的URL的正确范例。
    A

    news:comp.infosystems.www.misc

    B

    news://comp.infosystems.www.misc

    C

    //comp.infosystems.www.misc

    D

    comp.infosystems.www.misc


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    调制传递函数(MTF)的值域为()。
    A

    (0,1)

    B

    (0,10)

    C

    [0,100]

    D

    [0,1]

    E

    [0,10]


    正确答案: E
    解析: 调制传递函数(MTF)的值域为[0,1]。

  • 第13题:

    上行CoMP和下行CoMP的实现都依赖于终端。


    正确答案:错误

  • 第14题:

    固定薪酬中的“基本工资”也即是()。

    • A、comp4
    • B、comp1
    • C、comp2
    • D、comp3

    正确答案:B

  • 第15题:

    以下对协作多点传输(CoMP)技术的描述,哪些是正确的?()

    • A、CoMP能够通过降低小区间干扰直接带来系统性能提升
    • B、与MIMO相似,但是需要多个eNB协作
    • C、协作多点传输(CoMP)不能与载波聚合技术同时使用
    • D、协作多点传输(CoMP)仅应用于上行

    正确答案:A,B

  • 第16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:A

  • 第17题:

    View the Exhibit to examine the output produced by the following query at three different times since thedatabase instance started and has experienced workloads of different capacities:SQL> SELECT substr(component, 0, 10) COMP, current_size CS, user_specified_size US FROM v$memory_dynamic_componentsWHERE current_size!=0;What do you infer from this()

    • A、The database instance is running with manual PGA management.
    • B、The database instance is running with manual shared memory management.
    • C、The database instance has the MEMORY_TARGET value set to a nonzero value.
    • D、All sessions are connected to the database instance in dedicated mode, and no RMAN or parallel queryoperations have been performed

    正确答案:C

  • 第18题:

    Which component of the SGA stores parsed SQL statements is used for process sharing?()

    • A、Buffer cache 
    • B、Redo log buffer 
    • C、Private SQL area 
    • D、Library cache 
    • E、Row cache 

    正确答案:C

  • 第19题:

    单选题
    函数Int(Rnd*10)是在()范围内的整数。
    A

    (0,10)

    B

    (0,10]

    C

    [0,10)

    D

    [0,10]


    正确答案: C
    解析: 暂无解析

  • 第20题:

    判断题
    上行CoMP和下行CoMP的实现都依赖于终端。
    A

    B


    正确答案:
    解析: 暂无解析

  • 第21题:

    单选题
    Which component of the SGA stores parsed SQL statements is used for process sharing?()
    A

    Buffer cache 

    B

    Redo log buffer 

    C

    Private SQL area 

    D

    Library cache 

    E

    Row cache 


    正确答案: D
    解析: 暂无解析

  • 第22题:

    单选题
    ejb环境变量如何调用名为ejbC的ejb ()
    A

     initCtx.lookup(java:comp/env/ejb/ejbC)

    B

     initCtx.lookup(java:comp/ejb/ejbC)

    C

     initCtx.lookup(java:comp/ejbC)

    D

     initCtx.lookup(java:comp/env/ejbC)


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    An on-premise .NET application uses an on-premise Microsoft SQL Server 2008 database.  The existing compute infrastructure is insufficient to support peak loads.   You plan to move only the compute-intensive component of the application into Windows Azure.  The component requires access to the on-premise database.   The on-premise database cannot be accessed from outside the network boundary.  You need to recommend a database topology.  What should you recommend?()
    A

     Use SQL Azure for the on-premise components and the compute-intensive component.

    B

     Configure merge replication with the on-premise database as publisher and the SQL Azure database as subscriber.

    C

     Configure snapshot replication with the on-premise database as publisher and the SQL Azure database assubscriber.

    D

     Configure snapshot replication with the SQL Azuredatabase as publisher and the on-premise database as subscriber.


    正确答案: C
    解析: 暂无解析