更多“The number of cycles per second occurring in AC voltage is known as the ______.A.phase ang ”相关问题
  • 第1题:

    A customer is looking to build a virtual desktop infrastructure on an IBM platform. What metrics will be most useful in determining the storage platform recommendation?()

    A. number of users, type of applications to be used

    B. performance per user, network bandwidth available

    C. number of users, storage capacity per user, network bandwidth available

    D. number of users, number of applications per user, network bandwidth available


    参考答案:C

  • 第2题:

    点击率(Hit Per Second)


    正确答案:每秒发送的HTTP请求的数量;点击率越大对Server的压力也就越大。

  • 第3题:

    传送速率单位“b/s”代表()即“bps”比特率。

    • A、bytes per second
    • B、bits per second
    • C、baud per second
    • D、billion per second

    正确答案:B

  • 第4题:

    传送速率单位“bps”代表()

    • A、Bytes Per Second
    • B、Bits Per Second
    • C、Baud Per Second
    • D、Billion Per Second

    正确答案:B

  • 第5题:

    计算机通信中数据传输速率单位bps代表()。

    • A、 band per second
    • B、 billion per second
    • C、 bytes per second
    • D、bits per second

    正确答案:D

  • 第6题:

    Which of the following commands displays the number of system calls per second that are being executed?()

    • A、 sar
    • B、 pstat
    • C、 iostat
    • D、 filemon

    正确答案:A

  • 第7题:

    填空题
    On Mindy's guitar, the frequency of a vibrating string varies inversely as the length of the string. When a guitar string of s inches in length that vibrates at a frequency of 80 cycles per second is shortened to 6 inches in length, it vibrates at a frequency of 120 cycles per second. What is the value of s?____

    正确答案: 9
    解析:
    根据题干可列出等式alb1=a2b2,(s)(80)=(6)(120),s=9。

  • 第8题:

    单选题
    The instantaneous reduction in voltage of an AC generator, resulting from an increase in load, and prior to the automatic voltage regulator correcting the situation, is called voltage ().
    A

    droop

    B

    drop

    C

    dip

    D

    regulation


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    The number of pulses of energy transmitted per second is call the().
    A

    carrier frequency

    B

    pulse repetition rate

    C

    pulse length

    D

    pulse repetition time


    正确答案: A
    解析: 暂无解析

  • 第10题:

    单选题
    Which of the following commands should be used to observe the number of system calls per second? ()
    A

     sar 

    B

     iostat 

    C

     svmon 

    D

     vmstat


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    The number of cycles per second occurring in AC voltage is known as the ()
    A

    phase angle

    B

    frequency

    C

    wave form

    D

    half mode


    正确答案: B
    解析: 暂无解析

  • 第12题:

    单选题
    计算机通信中数据传输速率单位bps代表()。
    A

     band per second

    B

     billion per second

    C

     bytes per second

    D

    bits per second


    正确答案: D
    解析: 暂无解析

  • 第13题:

    TPS(Transaction Per Second)


    正确答案:每秒钟系统能够处理的交易或事务的数量。它是衡量系统处理能力的重要指标。TPS是LoadRunner中重要的性能参数指标。

  • 第14题:

    A customer is looking to build a virtual desktop infrastructure on an IBM platform. What metrics will be most useful in determining the storage platform recommendation?()

    • A、number of users, type of applications to be used
    • B、performance per user, network bandwidth available
    • C、number of users, storage capacity per user, network bandwidth available
    • D、number of users, number of applications per user, network bandwidth available

    正确答案:C

  • 第15题:

    传送速度单位“bps”的含义是()。

    • A、bytes per second
    • B、bits per second
    • C、baud per second
    • D、billion bytes per second

    正确答案:B

  • 第16题:

    我们通常所说的100Mbps,bps为传送速率,其含义为()

    • A、Bytes Per Second
    • B、Bits Per Second
    • C、Baud Per Second
    • D、Billion Per Second

    正确答案:B

  • 第17题:

    Which of the following commands should be used to observe the number of system calls per second? ()

    • A、 sar 
    • B、 iostat 
    • C、 svmon 
    • D、 vmstat

    正确答案:D

  • 第18题:

    What should you look at first to compute the number of undo blocks written per second to disk? ()

    • A、V$UNDOSTAT
    • B、V$TRANSACTION
    • C、V$ROLLSTAT
    • D、DBA_UNDO_EXTENTS
    • E、DBA_ROLLBACK_SEGS

    正确答案:A

  • 第19题:

    单选题
    The unit "hertz" is equivalent to ()
    A

    coulombs per second

    B

    revolutions per second

    C

    revolutions per minute

    D

    cycles per second


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    What should you look at first to compute the number of undo blocks written per second to disk? ()
    A

    V$UNDOSTAT

    B

    V$TRANSACTION

    C

    V$ROLLSTAT

    D

    DBA_UNDO_EXTENTS

    E

    DBA_ROLLBACK_SEGS


    正确答案: B
    解析: 暂无解析

  • 第21题:

    名词解释题
    TPS(Transaction Per Second)

    正确答案: 每秒钟系统能够处理的交易或事务的数量。它是衡量系统处理能力的重要指标。TPS是LoadRunner中重要的性能参数指标。
    解析: 暂无解析

  • 第22题:

    单选题
    Prior to starting an AC generator prime mover, the voltage regulator cutout switch should be placed in the ()
    A

    manual position

    B

    bus neutral position

    C

    raise voltage position

    D

    transfer position


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    The voltage developed by an AC generator is controlled by varying the ()
    A

    speed of the prime mover

    B

    AC excitation to the field

    C

    DC excitation to the field

    D

    DC excitation of the voltage regulator


    正确答案: C
    解析: 暂无解析