单选题Which of the following configurations has the BEST performance capability?（）A DDR without ECCB DDR with ECCC SDRAM without ECCD SDRAM with ECC

题目
单选题
Which of the following configurations has the BEST performance capability?（）
A

DDR without ECC

B

DDR with ECC

C

SDRAM without ECC

D

SDRAM with ECC

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更多“Which of the following configurations has the BEST performan”相关问题

  • 第1题：

    Which of the following is BEST for providing network security?()

    A.Firewall

    B.DMZ

    C.Switch

    D.IDS


    参考答案：A

  • 第2题：

    A company has 100GB of data that needs to be automatically backed up daily, and needs to be stored for 20 years. Which of the following backup media is the BEST solution for archiving the server data?（）

    A. Tape

    B. SAN

    C. Flash

    D. Optical


    参考答案：A

  • 第3题：

    An administrator buys a new server. The server has four disks and needs to be configured formaximum space. Fault tolerance is not a constraint. Which of the following configurations completes this task？（）

    • A、RAID 0
    • B、RAID 1
    • C、RAID 5
    • D、RAID 10

    正确答案:A

  • 第4题：

    Which of the following is BEST for providing network security?（）

    • A、Firewall
    • B、DMZ
    • C、Switch
    • D、IDS

    正确答案:A

  • 第5题：

    Which of the following is the BEST way to make sure the network printer is automatically installed when the user logs on？（）

    • A、Log onto the user’s computer as a local administrator and install the printer.
    • B、Make sure the user has permission to print to the printer.
    • C、Create and implement a logon script.
    • D、After the user has logged on， install the printer.

    正确答案:C

  • 第6题：

    A client has a need to look at and add many image files but has no need to change them. Which of the following media types would BEST meet the client’s needs？（）

    • A、CD-RW
    • B、Disk
    • C、Flash
    • D、WORM

    正确答案:D

  • 第7题：

    Which of the following RAID configurations takes advantage of mirroring？（）

    • A、RAID 1
    • B、RAID 5
    • C、RAID 0
    • D、RAID 2

    正确答案:A

  • 第8题：

    Which of the following x366 8GB memory configurations will produce the best performance？（）

    • A、One memory card with four 2GB DIMMs
    • B、Two memory cards with four 2GB DIMMs
    • C、Two memory cards with eight 1GB DIMMs
    • D、Four memory cards with eight 1GB DIMMs

    正确答案:D

  • 第9题：

    A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem？（）

    • A、iostat
    • B、netstat
    • C、ps
    • D、vmstat

    正确答案:D

  • 第10题：

    单选题
    An AIX system， which is running a database， is having performance issues with I/O writing.  The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance.  To set these numbers， which of the following commands would be used？（）
    A

     perfmon -h 30 -l 25

    B

     chdev

    C

     no -o

    D

     smit chgsys


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    Malware has been detected and removed on a customer computer several times in a short periodof time. Which of the following will BEST help prevent future occurrences?（）
    A

    Defragment the hard drive

    B

    Discuss safe web-browsing habits with the customer

    C

    Delete temporary files, cookies and browser history

    D

    Install anti-virus software which uses manual updates


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    When inspecting a tank barge to see that it has all the required fire extinguishers and other safety items aboard，which of the following is the best source for determining what is required? （）
    A

    The supervisor in charge of the dock to which the barge is tied up

    B

    Part 38 of the Rules and Regulations for Tank Vessels

    C

    The Certificate of Inspection of the barge

    D

    The local fire marshal


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Which of the following configurations has the BEST performance capability?()

    A. DDR without ECC

    B. DDR with ECC

    C. SDRAM without ECC

    D. SDRAM with ECC


    参考答案：A

  • 第14题：

    Which of the following could BEST be used to recover a failed RAID 1 disk after it has been replaced?()

    A. Tape restore utilities

    B. Imaging utilities

    C. Partitioning utilities

    D. Array management utilities


    参考答案：B

  • 第15题：

    A company has 100GB of data that needs to be automatically backed up daily， and needs to be stored for 20 years.  Which of the following backup media is the BEST solution for archiving the server data？（）

    • A、 Tape
    • B、 SAN
    • C、 Flash
    • D、 Optical

    正确答案:A

  • 第16题：

    After a user has upgraded to Windows Vista, it is reported that the animations on the GUI are extremely slow. Which of the following would BEST resolve the issue?（）

    • A、Disable UAC
    • B、Disable Spooler
    • C、Disable Aero
    • D、Disable NTLDR

    正确答案:C

  • 第17题：

    A small business has had unauthorized people enter their server room and damage their servers.Which of the following locks for the door would BEST prevent unauthorized people from accessing the server room？（）

    • A、Biometric
    • B、Keypad
    • C、Barcode
    • D、Key lock

    正确答案:A

  • 第18题：

    Which of the following could BEST be used to recover a failed RAID 1 disk after it has been replaced？（）

    • A、 Tape restore utilities
    • B、 Imaging utilities
    • C、 Partitioning utilities
    • D、 Array management utilities

    正确答案:D

  • 第19题：

    A user’s OS has become corrupt, and the user would like to restore the PC back to when they first bought the machine. Which of the following would be the BEST choice?（）

    • A、Factory Recovery Partition
    • B、Use Safe Mode
    • C、Last Known Good Configuration
    • D、Purchase a copy of the original OS

    正确答案:A

  • 第20题：

    A system administrator is monitoring a system that has recently shown a decrease in performance. The administrator suspects there is an overload of traffic on a single Ethernet adapter. Which of the following commands is best to identify a possible overload of the Ethernet adapter？（）

    • A、ping
    • B、iostat
    • C、netstat
    • D、ifconfig

    正确答案:C

  • 第21题：

    An AIX system， which is running a database， is having performance issues with I/O writing.  The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance.  To set these numbers， which of the following commands would be used？（）

    • A、 perfmon -h 30 -l 25
    • B、 chdev
    • C、 no -o
    • D、 smit chgsys

    正确答案:D

  • 第22题：

    单选题
    Which of the following could BEST be used to recover a failed RAID 1 disk after it has been replaced？（）
    A

     Tape restore utilities

    B

     Imaging utilities

    C

     Partitioning utilities

    D

     Array management utilities


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following RAID configurations provides the BEST performance for database files while still providing redundancy？（）
    A

    RAID 0

    B

    RAID 1

    C

    RAID 3

    D

    RAID 5


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    Which of the following configurations has the BEST performance capability?（）
    A

    DDR without ECC

    B

    DDR with ECC

    C

    SDRAM without ECC

    D

    SDRAM with ECC


    正确答案： A
    解析： 暂无解析

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