Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?()A、 cy != 1 B、 re != 0 C、 po/fr > 1/6 D、 fr/po > 1/6

题目

Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?()

  • A、 cy != 1 
  • B、 re != 0 
  • C、 po/fr > 1/6 
  • D、 fr/po > 1/6

相似考题
参考答案和解析
正确答案:C
更多“Using output from”相关问题
  • 第1题:

    You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has one hard disk that contains one volume.You need to receive a notification when the volume has less than 15 percent free disk space.What should you do? ()

    A. Configure a Trace Log by using the File details system provider.

    B. Configure a Trace Log by using the Disk input/output system provider.

    C. Configure an Alert by using a counter from the Logical Disk performance object.

    D. Configure an Alert by using a counter from the Physical Disk performance object.


    参考答案:C

  • 第2题:

    The fol lowing line of output was extracted from the output of the show ip bgp command on Router R1. Which of the following can be determined from this output?()Network Next Hop Metric LocPrf Weight Path* 130.1.1.0/28 1.1.1.1 0 1 2 3 4 i

    A. The route is learne d from an eBGP peer

    B. The route has no more than three ASNs in the AS_PatH

    C. The route is the best route for this prefix

    D. None of these facts can be positively determined by this output


    参考答案:A

  • 第3题:

    What can be determined from the line of show ip route output shown in the exhibit?()

    • A、The next routing update can be expected in 35 seconds.
    • B、The IP address 10.10.10.6 is configured on S0/1.
    • C、The IP address 10.10.10.8 is configured on S0/1.
    • D、This route is using the default administrative distance.
    • E、The 10.10.10.8 network is two hops away from this router.

    正确答案:D,E

  • 第4题:

    You executed the following query in your database: SELECT oldest_flashback_scn, oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()

    • A、 The time when the last flashback operation in your database was performed.
    • B、 The time when the first flashback operation in your database was performed.
    • C、 A list of flashback operations performed in your database using SCN and time.
    • D、 The approximate time and the lowest system change number (SCN) to which you can flash back your database.

    正确答案:D

  • 第5题:

    You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has one hard disk that contains one volume. You need to receive a notification when the volume has less than 15 percent free disk space. What should you do? ()

    • A、Configure a Trace Log by using the File details system provider.
    • B、Configure a Trace Log by using the Disk input/output system provider.
    • C、Configure an Alert by using a counter from the Logical Disk performance object.
    • D、Configure an Alert by using a counter from the Physical Disk performance object.

    正确答案:C

  • 第6题:

    单选题
    Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every().
    A

    week

    B

    two weeks

    C

    month

    D

    two months


    正确答案: C
    解析: 暂无解析

  • 第7题:

    单选题
    You are creating a Windows Forms application by using the .NET Framework 3.5.You plan to develop a custom control for the application.  The control will be a composite control.Your need to derive from the class that will create the control by using the minimum amount of development effort.What should you do?()
    A

    Derive from the Control class.

    B

    Derive from the UserControl class.

    C

    Derive from the FrameworkElement class.

    D

    Derive from the ContainerControl class.


    正确答案: C
    解析: 暂无解析

  • 第8题:

    多选题
    You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP;  How does RMAN find the control file autobackup?()
    A

    by using the trace file

    B

    by using the alert log file

    C

    by using the database ID

    D

    by using the server parameter file

    E

    by using the V$CONTROLFILE view

    F

    by using the autobackup format configuration setting


    正确答案: D,E
    解析: 暂无解析

  • 第9题:

    单选题
    What types of orders are exempt from using the IPCC Express Configuration and Ordering Tool?  ()
    A

    orders for coresident deployments  

    B

    orders for adding more seats  

    C

    orders for upgrading from standard  

    D

    orders with less than five seats  

    E

    all orders require using the IPCC Express Configuration and Ordering Tool 


    正确答案: D
    解析: 暂无解析

  • 第10题:

    单选题
    What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router?()
    A

    Prevents head-of-line blocking

    B

    Uses less memory

    C

    Increases forwarding performance

    D

    Simplifies configuration


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    You executed the following query in your database:  FROM V$FLASHBACK_DATABASE_LOG;  What would you determine from the output?()
    A

    the time when the last flashback operation in your database was performed

    B

    the time when the first flashback operation in your database was performed

    C

    a list of flashback operations performed in your database using SCN and time

    D

    the approximate time and the lowest system change number (SCN) to which you can flash back your database


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    In the () pressure charging system the pulse of energy that occur as the exhaust is released from the cylinder to improve the output of the turbocharger.
    A

    constant

    B

    pulse

    C

    high

    D

    none of the above


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Refer to the exhibit. You want to minimize the downtime that results from supervisor engine switchovers on Cisco 6500 Series Switches and Cisco 7600 Series Routers. To achieve this, you are considering deploying a Cisco Nonstop Forwarding with Stateful Switchover solution using OSPF.In the exhibit you can see the output of the show ip ospf neighbor detail command.Which trait of systems using Cisco Nonstop Forwarding with Stateful Switchover and OSPF is shown in the exhibit output and will impact your plan?()

    A. Stateful Switchover for Cisco Nonstop Forwarding only works with BGP.

    B. Stateful Switchover for Cisco Nonstop Forwarding must be configured on all adjacent routers.

    C. Cisco Nonstop Forwarding with Stateful Switchover helper mode is not supported on the adjacent router.

    D. Cisco Nonstop Forwarding with Stateful Switchover helper mode for OSPF has been promiscuousstandardized and is supported on the adjacent router.


    参考答案:D

  • 第14题:

    Which statement is correct based upon the following output from the show command on RT1 ? ()

    A. OSPFv3 establishes neighbor adjacencies by using global IPv6 addresses.

    B. OSPFv3 establishes neighbor adjacencies by using Link - local addresses.

    C. RT1 owns a subnet mask of 64 bits.

    D. OSPFv3 establishes neighbor adjacencies by using IPv4 addr esses.


    参考答案:B

  • 第15题:

    Which three methods can be used to troubleshoot problems using the Cisco Unity Express GUI?()

    • A、refresh MWI 
    • B、turn on logging 
    • C、view trace output 
    • D、view logging output 
    • E、turn on trace functions 
    • F、view system configuration

    正确答案:A,E,F

  • 第16题:

    You used the following command in Recovery Manager (RMAN) as part of the recovery process: RESTORE CONTROLFILE FROM AUTOBACKUP;  How does RMAN find the control file autobackup?()

    • A、by using the trace file
    • B、by using the alert log file
    • C、by using the database ID
    • D、by using the server parameter file
    • E、by using the V$CONTROLFILE view
    • F、by using the autobackup format configuration setting

    正确答案:C,F

  • 第17题:

    You have an Exchange Server 2010 server that has IMAP4 enabled.All users connect to the Exchange server by using an IMAP4 client.You need to verify whether users can send e-mail to the Internet by using the Exchange server. What should you do?()

    • A、From the server, run the Test-ImapConnectivity cmdlet.
    • B、From the server, run the Test-OutlookConnectivity cmdlet.
    • C、From a client, attempt a connection to TCP port 143 by using Telnet.
    • D、From a client, attempt a connection to TCP port 587 by using Telnet.

    正确答案:D

  • 第18题:

    单选题
    Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?()
    A

     cy != 1 

    B

     re != 0 

    C

     po/fr > 1/6 

    D

     fr/po > 1/6


    正确答案: D
    解析: 暂无解析

  • 第19题:

    多选题
    What can be determined from the line of show ip route output shown in the exhibit?()
    A

    The next routing update can be expected in 35 seconds.

    B

    The IP address 10.10.10.6 is configured on S0/1.

    C

    The IP address 10.10.10.8 is configured on S0/1.

    D

    This route is using the default administrative distance.

    E

    The 10.10.10.8 network is two hops away from this router.


    正确答案: E,C
    解析: 暂无解析

  • 第20题:

    单选题
    You executed the following query in your database: SELECT oldest_flashback_scn, oldest_flashback_time FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output?()
    A

     The time when the last flashback operation in your database was performed.

    B

     The time when the first flashback operation in your database was performed.

    C

     A list of flashback operations performed in your database using SCN and time.

    D

     The approximate time and the lowest system change number (SCN) to which you can flash back your database.


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    You take backups of your hard drives every night. On Thursday morning you see that the hard  disk has crashed. The backup log shows:   * Friday normal backup completed  * Saturday incremental backup completed      * Sunday incremental backup completed * Monday incremental backup completed * Tuesday incremental backup incomplete * Wednesday incremental backup completed.   What should you do to restore your data to the update state?( )
    A

    Restore using the tapes from Friday, Saturday, Sunday, Monday and Wednesday.

    B

    Restores using only Fridays tape

    C

    Restore using the tapes from Thursday, Friday, Saturday, Sunday and Tuesday.

    D

    Restore using the tapes from Friday and Tuesday.

    E

    Restore using the tapes from Tuesday and Thursday.


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    The fol lowing line of output was extracted from the output of the show ip bgp command on Router R1. Which of the following can be determined from this output?() Network Next Hop Metric LocPrf Weight Path * 130.1.1.0/28 1.1.1.1 0 1 2 3 4 i
    A

    The route is learne d from an eBGP peer

    B

    The route has no more than three ASNs in the AS_PatH

    C

    The route is the best route for this prefix

    D

    None of these facts can be positively determined by this output


    正确答案: A
    解析: 暂无解析

  • 第23题:

    单选题
    A constant output voltage from an AC generator is maintained by the ().
    A

    prime mover governor

    B

    exciter generator

    C

    voltage regulator

    D

    reverse power relay


    正确答案: B
    解析: 暂无解析