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单选题An x445 can withstand up to two failed memory chips per memory bank. In addition， the customer requires protection for a third memory chip failure on that bank.  Which EXA feature will provide this extra level of protection？（）A ChipkillB Hot Spare Memo

题目
单选题
An x445 can withstand up to two failed memory chips per memory bank. In addition， the customer requires protection for a third memory chip failure on that bank.  Which EXA feature will provide this extra level of protection？（）
A

Chipkill

B

Hot Spare Memory

C

Memory Mirroring

D

Memory ProteXion

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相似问题和答案

第1题：

The heat generated by the operating system war between rivals IBM Corp. and Microsoft Corp. is(21).Windows 95 and OS/2 introduce a new(22). Both systems claim to multitask legacy DOS and 16-bit Windows applications. However, only OS/2 can provide full memory(crash) protection for these legacy applications because it is capable of running each DOS and Windows application within its full-protected memory address space.Windows 95 will run all current Windows applications in the same shared- memory address space, affording full memory protection only to the(23)32-bit Windows 95 applications. In other word, Windows 95 users will have to(24)their current Windows applications to Windows 95 version to match the memory protection OS/2 now delivers.While OS/2 does afford superior memory protection and multitasking for legacy DOS and Windows applications, it will not be able to run any Windows 95 applications. IBM may address this(25)in an update of the OS but has no present plans to do so.

A．intensify

B．intensified

C．intensifying

D．intensifies


正确答案：C

第2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3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


参考答案：B, C

第4题：

Which TWO of the following are required to use the hot-swap memory feature of the x445 while being operating system independent？（）

  • A、Memory Mirroring must be enabled in the BIOS.
  • B、Redundant bit steering must be enabled in the BIOS.
  • C、DIMMs must be the same size and speed as the DIMMs being replaced.
  • D、Memory Mirroring must be enabled in the operating system.
  • E、DIMMs can be of same size or larger or same speed or faster.

正确答案:A,C

第5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6题：

Which of the following statements could be true about a server overheating？（）

  • A、The processor is hitting 100% utilization.
  • B、The server is having memory errors.
  • C、The server fans have failed.
  • D、The processors are of two different stepping levels.
  • E、There is no thermal protection between the processor and the heat sink.

正确答案:C,E

第7题：

While explaining to a customer the fault tolerant benefits of x445 they ask what happens if they implement memory mirroring and a DIMM fails in the SMP expansion module.  Which of the following is the most appropriate response？（）

  • A、The DIMM is taken off line， and fault tolerance is available on the other DIMMs only.
  • B、The memory bank is taken offline and rebuilt with the online hot spare and then brought back on line.
  • C、The memory bank containing the failed DIMM is taken off line， and the system is no longer fault tolerant until replaced.
  • D、The DIMM is taken offline， and the online hot spare is initiated and the system remains fault tolerant.

正确答案:C

第8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


参考答案：B, C

第9题：

A customer is evaluating PowerVM capabilities for dynamically allocating resources without rebooting LPARs. Which features of PowerVM support the customer requirement?（）

  • A、CoD and PCI hot-plug
  • B、DLPAR and Active Memory Sharing
  • C、Hot node add and hot node repair
  • D、D.ynamic processor failure and processor instruction retry

正确答案:B

第10题：

Which of the following will allow a server to continue to function if a stick of memory fails?（）

  • A、Chipkill
  • B、Memory RAID
  • C、Registered memory
  • D、ECC
  • E、Hot spare

正确答案:A

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