单选题Which of the following statements is true about L3 cache?()A L3 cache operates faster than the system processor.B L3 cache runs at the speed of the processor.C L3 cache can deliver data in as little as 15ns.D L3 cache runs at the speed of the system bu

题目
单选题
Which of the following statements is true about L3 cache?()
A

L3 cache operates faster than the system processor.

B

L3 cache runs at the speed of the processor.

C

L3 cache can deliver data in as little as 15ns.

D

L3 cache runs at the speed of the system bus.


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更多“单选题Which of the following statements is true about L3 cache?()A L3 cache operates faster than the system processor.B L3 cache runs at the speed of the processor.C L3 cache can deliver data in as little as 15ns.D L3 cache runs at the speed of the system bu”相关问题
  • 第1题:

    Which Coherence caching pattern matches the sequence of events ?()  1. Data is requested from cache  2. The requested data does not exist in the cache (cache miss)  3. The Coherence cache store is used to red data from the back-end persistent data source, and placed in ther cache  4. Data requested from the cache is returned to the caller

    • A、 read through
    • B、 write through
    • C、 refresh ahead
    • D、 write behind

    正确答案:A

  • 第2题:

    Which of the following statements is true about L3 cache?()

    • A、L3 cache operates faster than the system processor.
    • B、L3 cache runs at the speed of the processor.
    • C、L3 cache can deliver data in as little as 15ns.
    • D、L3 cache runs at the speed of the system bus.

    正确答案:D

  • 第3题:

    A customer is unsure how POWER7 processors can outperform POWER6 processors when the clock speeds are slower. What contributes to the improved performance?()

    • A、Added Turbo memory switching
    • B、Removed internal OLTP limits
    • C、Moved L3 cache onto the chip
    • D、Increased DDR2 memory speeds

    正确答案:C

  • 第4题:

    HP新发布的Itanium2处理器每双核最高L3 cache是24MB,而IBM POWER Systems服务器采用的POWER6处理器,每双核共享多少L3 cache?()

    • A、30MB
    • B、32MB
    • C、36MB
    • D、40MB

    正确答案:B

  • 第5题:

    Automatic Shared Memory Management (ASMM) has been enabled for your database instance.  Theinitialization parameters for the components that are managed by ASMM are not set. After observing theeffects of ASSM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;  Which statement is true in this scenario()

    • A、The minimum memory size for the database buffer cache is set to 100 mb.
    • B、The maximum memory size that can be obtained by the database buffer cache during ASMM is set to100 mb
    • C、The minimum memory size allocated for a server process in the database buffer cache in dedicatedmode is set to 100 mb.
    • D、The maximum memory size from the database buffer cache that can be released for dynamicdistribution during ASMM is set to 100 mb

    正确答案:A

  • 第6题:

    You are analyzing how Oracle processes user statements. SQL and PL/SQL parse information is stored in which of the following database memory areas? ()

    • A、Library cache 
    • B、Row cache
    • C、Dictionary cache 
    • D、Large area 
    • E、Buffer cache

    正确答案:B

  • 第7题:

    单选题
    Which of the following is a function of the XceL4 Cache?()
    A

    It places frequently accessed data close to the processor to help deliver faster performance.

    B

    It replaces L3 cache memory.

    C

    It speeds up processor performance by purging the current set of instructions and freeing them up to work on the next set of instructions.

    D

    It allows the system to address more than 16GB of memory.


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    A customer is unsure how POWER7 processors can outperform POWER6 processors when the clock speeds are slower. What contributes to the improved performance?()
    A

    Added Turbo memory switching

    B

    Removed internal OLTP limits

    C

    Moved L3 cache onto the chip

    D

    Increased DDR2 memory speeds


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    You are analyzing how Oracle processes user statements. SQL and PL/SQL parse information is stored in which of the following database memory areas? ()
    A

    Library cache 

    B

    Row cache

    C

    Dictionary cache 

    D

    Large area 

    E

    Buffer cache


    正确答案: E
    解析: 暂无解析

  • 第10题:

    单选题
    Which Coherence caching pattern matches the sequence of events ?()  1. Data is requested from cache  2. The requested data does not exist in the cache (cache miss)  3. The Coherence cache store is used to red data from the back-end persistent data source, and placed in ther cache  4. Data requested from the cache is returned to the caller
    A

     read through

    B

     write through

    C

     refresh ahead

    D

     write behind


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    An x445 with two 3.0GHz DP processors and 2GB of RAM is running a processor-intensive floating-point geological application that calculates pressures in the earth’s crust.  It takes a long time for each calculation, and the director of computing wants the calculations to take less time.  Memory addressed by the application may also be a bottle neck.  Which of the following will most improve the ability to run the calculations in less time?()
    A

    Replace the two 3.0 GHz DP processors with four 3.0GHz MP processors with a 4MB L3 cache and 4GB of RAM

    B

    Replace the x445 with an x366 with four 3.66 EM64T processors with a 1MB L2 cache and 4GB of RAM

    C

    Replace the two 3.0GHz DP processors with two 3.0GHz MP processors with a 4MB L3 cache and 2GB RAM

    D

    Replace the two 3.0GHz DP processors with four 3.0 GHz DP processors with a 512KB L2 cache and 4GB RAM


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    Which of the following statements is true about L1 cache?()
    A

     L1 cache operates faster than the processor.

    B

     L1 cache is directly connected to the processor.

    C

     L1 cache can deliver data in 5ns.

    D

     L1 cache is located on the system board.


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Which of the following statements is true about L1 cache?()

    • A、 L1 cache operates faster than the processor.
    • B、 L1 cache is directly connected to the processor.
    • C、 L1 cache can deliver data in 5ns.
    • D、 L1 cache is located on the system board.

    正确答案:B

  • 第14题:

    以下关于Power7的描述,哪一项是错误的?()

    • A、L2 cache: 256KB per processor chip
    • B、L3 cache: shared 32MB on chip eDRAM
    • C、45nm technology
    • D、4 Way SMT per core

    正确答案:B

  • 第15题:

    An x445 with two 3.0GHz DP processors and 2GB of RAM is running a processor-intensive floating-point geological application that calculates pressures in the earth’s crust.  It takes a long time for each calculation, and the director of computing wants the calculations to take less time.  Memory addressed by the application may also be a bottle neck.  Which of the following will most improve the ability to run the calculations in less time?()

    • A、Replace the two 3.0 GHz DP processors with four 3.0GHz MP processors with a 4MB L3 cache and 4GB of RAM
    • B、Replace the x445 with an x366 with four 3.66 EM64T processors with a 1MB L2 cache and 4GB of RAM
    • C、Replace the two 3.0GHz DP processors with two 3.0GHz MP processors with a 4MB L3 cache and 2GB RAM
    • D、Replace the two 3.0GHz DP processors with four 3.0 GHz DP processors with a 512KB L2 cache and 4GB RAM

    正确答案:B

  • 第16题:

    Which statements are true regarding the Query Result Cache?() 

    • A、 It can be set at the system, session, or table level.
    • B、 It is used only across statements in the same session.
    • C、 It can store the results from normal as well as flashback queries.
    • D、 It can store the results of queries based on normal,temporary,and dictionary tables.

    正确答案:A,C

  • 第17题:

    Which two statements are true about setting the per-thread buffers higher than required?()

    • A、More memory per thread is beneficial in all scenarios
    • B、It causes increased overhead due to initial memory allocation
    • C、It can affect system stability during peak load times, due to swapping
    • D、It requires increasing the thread_cache_size variable

    正确答案:B,C

  • 第18题:

    Records from the data dictionary information are stored in which of the following database memory areas?()

    • A、Library cache 
    • B、Row cache 
    • C、Session UGA 
    • D、Buffer cache

    正确答案:B

  • 第19题:

    单选题
    Which of the following statements is true about L3 cache?()
    A

    L3 cache operates faster than the system processor

    B

    L3 cache runs at the speed of the processor.

    C

    L3 cache can deliver data in as little as 15ns.

    D

    L3 cache runs at the speed of the system bus.


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    Records from the data dictionary information are stored in which of the following database memory areas?()
    A

    Library cache 

    B

    Row cache 

    C

    Session UGA 

    D

    Buffer cache


    正确答案: D
    解析: 暂无解析

  • 第21题:

    单选题
    HP新发布的Itanium2处理器每双核最高L3 cache是24MB,而IBM POWER Systems服务器采用的POWER6处理器,每双核共享多少L3 cache?()
    A

    30MB

    B

    32MB

    C

    36MB

    D

    40MB


    正确答案: C
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about setting the per-thread buffers higher than required?()
    A

    More memory per thread is beneficial in all scenarios

    B

    It causes increased overhead due to initial memory allocation

    C

    It can affect system stability during peak load times, due to swapping

    D

    It requires increasing the thread_cache_size variable


    正确答案: B,D
    解析: 暂无解析

  • 第23题:

    单选题
    Automatic Shared Memory Management (ASMM) has been enabled for your database instance.  Theinitialization parameters for the components that are managed by ASMM are not set. After observing theeffects of ASSM, you executed the following command: SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;  Which statement is true in this scenario()
    A

    The minimum memory size for the database buffer cache is set to 100 mb.

    B

    The maximum memory size that can be obtained by the database buffer cache during ASMM is set to100 mb

    C

    The minimum memory size allocated for a server process in the database buffer cache in dedicatedmode is set to 100 mb.

    D

    The maximum memory size from the database buffer cache that can be released for dynamicdistribution during ASMM is set to 100 mb


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    HP的rx3600支持两种主频的处理器,但其最大L3 cache只有多少?()
    A

    12MB

    B

    18MB

    C

    24MB

    D

    36MB


    正确答案: C
    解析: 暂无解析