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Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem?()A、 istatB、 topasC、 vmstatD、 filemon

题目

Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem?()

  • A、 istat
  • B、 topas
  • C、 vmstat
  • D、 filemon

相似考题
更多“Which of the f”相关问题
  • 第1题:

    Which of the following NSAP addresses is a private, locally administered address?()

    A. 39.0f01.0002.0000.0c00.1111.00

    B. 48.0f01.0002.0000.0c00.1111.00

    C. 49.0004.30ac.0000.3090.c7df.00

    D. 52.0f01.0002.0000. 0c00.1111.00


    参考答案:C

  • 第2题:

    Which two cause a compiler error?() 

    • A、 float[] = new float(3);
    • B、 float f2[] = new float[];
    • C、 float[] f1 = new float[3];
    • D、 float f3[] = new float[3];
    • E、 float f5[] = { 1.0f, 2.0f, 2.0f };
    • F、 float f4[] = new float[] { 1.0f. 2.0f. 3.0f};

    正确答案:A,B

  • 第3题:

    Which of the following switches in Windows can be used to ping a host until stopped?()

    • A、-l
    • B、-a
    • C、-t
    • D、-f

    正确答案:C

  • 第4题:

    Which of the following is an example of a MAC address?()

    • A、10.0.10.1
    • B、1A-23-F9-CD-06-9L
    • C、1A-23-F9-CD-06-9B
    • D、1A-23-F9-CD-06-9B-23-5C

    正确答案:C

  • 第5题:

    Which of the following are standard AMD processor socket types?()

    • A、1366
    • B、1155
    • C、940
    • D、LGA
    • E、F

    正确答案:C,E

  • 第6题:

    Which of the following keystrokes allows installation of third party storage drivers during a Windows set-up?()

    • A、F6
    • B、F7
    • C、F8
    • D、F9

    正确答案:C

  • 第7题:

    After the /etc/tunables/nextboot file has been edited, which command can be used to validate changes to the IO performance tuning settings?()

    • A、ioo -v nextboot
    • B、ioo -c nextboot
    • C、valcheck -f nextboot
    • D、tuncheck -r -f nextboot

    正确答案:D

  • 第8题:

    Which two are valid declarations of a float?()

    • A、 float f = 1F;
    • B、 float f = 1.0.;
    • C、 float f = ‘1’;
    • D、 float f = “1”;
    • E、 float f = 1.0d;

    正确答案:A,C

  • 第9题:

    单选题
    Which of the following is the typical recommended temperature range for a data center?()
    A

    64°F to 77°F(18°C to 25°C)

    B

    78°F to 85°F(26°C to 29°C)

    C

    41°F to 55°F(5°C to 12°C)

    D

    56°F to 63°F(13°C to 17°C)


    正确答案: C
    解析: 暂无解析

  • 第10题:

    多选题
    Which two are valid declarations of a float?()
    A

    float f = 1F;

    B

    float f = 1.0.;

    C

    float f = ‘1’;

    D

    float f = “1”;

    E

    float f = 1.0d;


    正确答案: B,C
    解析: 暂无解析

  • 第11题:

    多选题
    class BaseClass{  private float x= 1.0f;  protected void setVar (float f) {x = f;}  }  class SubClass extends BaseClass   {  private float x = 2.0f;  //insert code here  }   Which two are valid examples of method overriding?()
    A

    Void setVar(float f) {x = f;}

    B

    Public void setVar(int f) {x = f;}

    C

    Public void setVar(float f) {x = f;}

    D

    Public double setVar(float f) {x = f;}

    E

    Public final void setVar(float f) {x = f;}

    F

    Protected float setVar() {x=3.0f; return 3.0f; }


    正确答案: F,E
    解析: 暂无解析

  • 第12题:

    多选题
    Which two cause a compiler error?()
    A

    float[] = new float(3);

    B

    float f2[] = new float[];

    C

    float[] f1 = new float[3];

    D

    float f3[] = new float[3];

    E

    float f5[] = { 1.0f, 2.0f, 2.0f };

    F

    float f4[] = new float[] { 1.0f. 2.0f. 3.0f};


    正确答案: D,C
    解析: The F. statement is incorrect. The float numbers should be separated with commas and not dots.

  • 第13题:

    Which of the following keys are used to access advanced Windows start up options while a computer is booting?()

    • A、F8
    • B、F6
    • C、F5
    • D、F2

    正确答案:A

  • 第14题:

    Which of the following NSAP addresses is a private, locally administered address?()

    • A、39.0f01.0002.0000.0c00.1111.00
    • B、48.0f01.0002.0000.0c00.1111.00
    • C、49.0004.30ac.0000.3090.c7df.00
    • D、52.0f01.0002.0000. 0c00.1111.00

    正确答案:C

  • 第15题:

    Which of the following key sequences will allow a technician to install third party drivers during a Windows installation? ()

    • A、 Press F6
    • B、 Press ESC
    • C、 Press any key
    • D、 Press Alt+F8

    正确答案:A

  • 第16题:

    Which of the following keys is pressed to enter the Windows boot options after POST?()

    • A、F1
    • B、F8
    • C、F10
    • D、F12

    正确答案:B

  • 第17题:

    Which of the following is the typical recommended temperature range for a data center?()

    • A、64°F to 77°F(18°C to 25°C)
    • B、78°F to 85°F(26°C to 29°C)
    • C、41°F to 55°F(5°C to 12°C)
    • D、56°F to 63°F(13°C to 17°C)

    正确答案:A

  • 第18题:

    Which of the following kdb commands is used to obtain a stack trace from a dump? ()

    • A、 trb 
    • B、 his 
    • C、 f 
    • D、 trace

    正确答案:C

  • 第19题:

    Which of the following commands would a system administrator run tovalidate /etc/tunables/nextboot after manually editing()

    • A、ksh -n nextboot
    • B、tunsave -a -f nextboot
    • C、tuncheck -r -f nextboot
    • D、tunsave nextboot

    正确答案:C

  • 第20题:

    Which of the following statements are legal?()         

    • A、 long l = 4990;
    • B、 int i = 4L;
    • C、 float f = 1.1;
    • D、 double d = 34.4;
    • E、 double t = 0.9F;

    正确答案:A,D,E

  • 第21题:

    单选题
    A technician is installing Windows XP on a system that has a SATA HDD. Which of the following will the technician MOST likely have to do to start the installation? ()
    A

    Press the F8 Key

    B

    Press the F3 Key

    C

    Press the F2 Key

    D

    Press the F6 Key


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    Which of the following kdb commands is used to obtain a stack trace from a dump? ()
    A

     trb 

    B

     his 

    C

     f 

    D

     trace


    正确答案: C
    解析: 暂无解析

  • 第23题:

    单选题
    Which of the following keystrokes allows installation of third party storage drivers during a Windows set-up? ()
    A

     F6

    B

     F7

    C

     F8

    D

     F9


    正确答案: B
    解析: 暂无解析

  • 第24题:

    单选题
    Given: Which code, inserted at line 16, will cause a java.lang.ClassCastException?()
    A

    Alpha a = x;

    B

    Foo f = (Delta)x;

    C

    Foo f = (Alpha)x;

    D

    Beta b = (Beta)(Alpha)x;


    正确答案: B
    解析: 暂无解析