多选题Which two options describe how MySQL Server allocates memory?()AThread memory is pre-allocated up to thread_cache_size for performanceBEach connection may have its own per-thread memory allocationsCGlobal memory resources are allocated at server startu

题目
多选题
Which two options describe how MySQL Server allocates memory?()
A

Thread memory is pre-allocated up to thread_cache_size for performance

B

Each connection may have its own per-thread memory allocations

C

Global memory resources are allocated at server startup

D

Each thread allocates memory from a global pool


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更多“多选题Which two options describe how MySQL Server allocates memory?()AThread memory is pre-allocated up to thread_cache_size for performanceBEach connection may have its own per-thread memory allocationsCGlobal memory resources are allocated at server startu”相关问题
  • 第1题:

    Which statements about the MEMORY_TARGET initialization parameter are true?() 

    • A、 MEMORY_TARGET can be increased up to the value of MEMORY_MAX_TARGET, if  MEMORY_MAX_TARGET is set to a value greater than zero
    • B、 MEMORY_MAX_TARGET defaults to a value of zero if MEMORY_TARGET is not set
    • C、 MEMORY_TARGET represents the total amount of memory that can be allocated to SGA and PGA memory structures.
    • D、 MEMORY_TARGET is static and cannot be modified without shutting down the instance

    正确答案:A,B,C

  • 第2题:

    An administrator is adding memory to a server. Once the system boots up, the same amount of memory appears as before the upgrade. Which of the following is the MOST likely cause?()

    • A、The memory is not the correct CAS latency.
    • B、The memory is not installed in the correct slot.
    • C、The memory does not have the correct timing.
    • D、The memory is not the correct speed.

    正确答案:B

  • 第3题:

    An administrator is upgrading memory on the server. Once the server in turned back on, the administrator notices that the memory has not changed. The system board website says the board should accept the new amount of memory.  Which of the following should the administrator do FIRST?()

    • A、 Replace memory chips with known good memory chips.
    • B、 Reseat the memory chips.
    • C、 Update the BIOS.
    • D、 Upgrade the server OS.

    正确答案:B

  • 第4题:

    An x445 can sustain up to two memory chip failures per memory bank, and in an 8-way with four memory banks, up to eight memory chip failures can be sustained.  Which combination of EXA features provides this functionality?()

    • A、ECC with Chipkill
    • B、ECC with Memory Mirroring
    • C、Chipkill with Memory ProteXion
    • D、Memory ProteXion with Hot Spare Memory

    正确答案:C

  • 第5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6题:

    Which two options describe how MySQL Server allocates memory?()

    • A、Thread memory is pre-allocated up to thread_cache_size for performance
    • B、Each connection may have its own per-thread memory allocations
    • C、Global memory resources are allocated at server startup
    • D、Each thread allocates memory from a global pool

    正确答案:B,C

  • 第7题:

    单选题
    An administrator is upgrading memory on the server. Once the server in turned back on, the administrator notices that the memory has not changed. The system board website says the board should accept the new amount of memory.  Which of the following should the administrator do FIRST?()
    A

     Replace memory chips with known good memory chips.

    B

     Reseat the memory chips.

    C

     Update the BIOS.

    D

     Upgrade the server OS.


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    Identify the memory component from which memory may be allocated for:() 1. Session memory for the shared server 2. Buffers for I/O slaves 3. Oracle Database Recovery Manager (RMAN) backup and restore operations
    A

    Large Pool

    B

    Redo Log Buffer

    C

    Database Buffer Cache

    D

    Program Global Area (PGA)


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Which memory technology combination on the x255 will allow for two memory banks to fail while maintaining the server?()
    A

    Memory mirroring and hot swap memory

    B

    Memory mirroring and hot spare memory

    C

    Four way memory interleaving and chipkill

    D

    Four way memory interleaving and memory mirroring


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    Memory was recently taken out of a fully functional production server before it wasdecommissioned and added to another server.  Upon booting up the server with the additional memory the server emits a series of beeps and fails to POST.  Which of the following is MOST likely the problem?()
    A

    Incompatible memory

    B

    Memory failure

    C

    The memory is not configured

    D

    The server BIOS was not configured to accept the additional memory


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    An administrator is adding additional memory into a server that registers 1GB of memory in the OS and notices that the system has 2GB of memory physically installed; however, the server only shows 1GB of memory during POST. Which of the following is the MOST likely reason for this?()
    A

    The OS does not support more than 1GB of memory.

    B

    The system memory has different manufacture dates.

    C

    Two of the memory sticks are defective.

    D

    The server is using memory interleaving.


    正确答案: B
    解析: 暂无解析

  • 第12题:

    多选题
    Which two options describe how MySQL Server allocates memory?()
    A

    Thread memory is pre-allocated up to thread_cache_size for performance

    B

    Each connection may have its own per-thread memory allocations

    C

    Global memory resources are allocated at server startup

    D

    Each thread allocates memory from a global pool


    正确答案: D,C
    解析: 暂无解析

  • 第13题:

    An administrator is adding additional memory into a server that registers 1GB of memory in the OS and notices that the system has 2GB of memory physically installed; however, the server only shows 1GB of memory during POST.  Which of the following is the MOST likely reason for this?()

    • A、 The OS does not support more than 1GB of memory.
    • B、 The system memory has different manufacture dates.
    • C、 Two of the memory sticks are defective.
    • D、 The server is using memory interleaving.

    正确答案:C

  • 第14题:

    A technician is installing new memory in a server. The technician would consult the HCL to ensure which of the following?()

    • A、Memory and virtual memory compatibility
    • B、Memory and speed compatibility
    • C、Memory and HDD compatibility
    • D、ESD standards were followed

    正确答案:B

  • 第15题:

    Which memory technology combination on the x255 will allow for two memory banks to fail while maintaining the server?()

    • A、Memory mirroring and hot swap memory
    • B、Memory mirroring and hot spare memory
    • C、Four way memory interleaving and chipkill
    • D、Four way memory interleaving and memory mirroring

    正确答案:B

  • 第16题:

    Identify the memory component from which memory may be allocated for: () 1: Session memory for the shared server  2: Buffers for I/O slaves  3: Oracle Database Recovery Manager (RMAN) backup and restore operations 

    • A、Large Pool
    • B、Redo Log Buffer
    • C、Database Buffer Cache
    • D、Program Global Area (PGA)

    正确答案:A

  • 第17题:

    Identify the memory component from which memory may be allocated for:() 1. Session memory for the shared server 2. Buffers for I/O slaves 3. Oracle Database Recovery Manager (RMAN) backup and restore operations

    • A、Large Pool
    • B、Redo Log Buffer
    • C、Database Buffer Cache
    • D、Program Global Area (PGA)

    正确答案:A

  • 第18题:

    You have a new server named Server1 that runs Windows Server 2012 R2. Server1 has two dualcore processors and 32 GB of RAM.You install the Hyper-V server role on Server1.You create two virtual machines on Server1 that each have 8 GB of memory.You need to minimize the amount of time it takes for both virtual machines to access memory. What should you configure on each virtual machine?()

    • A、Resource control
    • B、Dynamic Memory
    • C、NUMA topology
    • D、Memory weight

    正确答案:C

  • 第19题:

    单选题
    Identify the memory component from which memory may be allocated for: () 1: Session memory for the shared server  2: Buffers for I/O slaves  3: Oracle Database Recovery Manager (RMAN) backup and restore operations
    A

    Large Pool

    B

    Redo Log Buffer

    C

    Database Buffer Cache

    D

    Program Global Area (PGA)


    正确答案: A
    解析: 暂无解析

  • 第20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21题:

    单选题
    An x445 can sustain up to two memory chip failures per memory bank, and in an 8-way with four memory banks, up to eight memory chip failures can be sustained.  Which combination of EXA features provides this functionality?()
    A

    ECC with Chipkill

    B

    ECC with Memory Mirroring

    C

    Chipkill with Memory ProteXion

    D

    Memory ProteXion with Hot Spare Memory


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    An administrator is adding additional memory into a server that registers 1GB of memory in the OS and notices that the system has 2GB of memory physically installed; however, the server only shows 1GB of memory during POST.  Which of the following is the MOST likely reason for this?()
    A

     The OS does not support more than 1GB of memory.

    B

     The system memory has different manufacture dates.

    C

     Two of the memory sticks are defective.

    D

     The server is using memory interleaving.


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    An administrator is adding memory to a server. Once the system boots up, the same amount of memory appears as before the upgrade. Which of the following is the MOST likely cause?()
    A

     The memory is not the correct CAS latency.

    B

     The memory is not installed in the correct slot.

    C

     The memory does not have the correct timing.

    D

     The memory is not the correct speed.


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    An administrator is adding memory to a server. Once the system boots up, the same amount of memory appears as before the upgrade. Which of the following is the MOST likely cause?()
    A

    The memory is not the correct CAS latency.

    B

    The memory is not installed in the correct slot.

    C

    The memory does not have the correct timing.

    D

    The memory is not the correct speed.


    正确答案: D
    解析: 暂无解析