单选题After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）AKernel threadBToo many usersCMemory shortageDNetwork contention

题目
单选题
After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）
A

 Kernel thread

B

 Too many users

C

 Memory shortage

D

 Network contention

相似考题

1.After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause?()A. The wireless switch was damaged during the display installation.B. The network card has failed.C. The new display is interfering with the wireless signal.D. The antenna connector was not reconnected.

2.After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）A、The wireless switch was damaged during the display installation.B、The network card has failed.C、The new display is interfering with the wireless signal.D、The antenna connector was not reconnected.

3.A user has no network connectivity. A check of the associated port indicates that the interface is up， the line protocol is down. Which item would most likely cause this problem？（）A、Speed mismatchB、Incorrect encapsulationC、MTU set too lowD、Duplex mismatch

4.Memory utilization by the print spooler process is constantly climbing after users begin to print to a certain type of printer. Which of the following is the MOST likely cause of the problem?()A. Corrupted print spooler softwareB. Memory leak in one of the print driversC. The disk drive is out of free spaceD. Memory leak in the print spooler

更多“单选题After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）A  Kernel threadB  Too many usersC  Memory shortageD  Network contention”相关问题

  • 第1题：

    Which of the following statements is TRUE concerning the po column of the vmstat command？（）

    • A、 The sys is high when po is high.
    • B、 The po represents the number of page steals.
    • C、 The low values usually indicate insufficient paging space.
    • D、 The low values usually indicate sufficient memory for the load.

    正确答案:D

  • 第2题：

    After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?（）

    • A、Antennae is not connected
    • B、Wireless card is defective
    • C、Drivers needs to be updated
    • D、OS needs to be updated

    正确答案:A

  • 第3题：

    Memory utilization by the print spooler process is constantly climbing after users begin to print to acertain type of printer.  Which of the following is the MOST likely cause of the problem？（）

    • A、 Corrupted print spooler software
    • B、 Memory leak in one of the print drivers
    • C、 The disk drive is out of free space
    • D、 Memory leak in the print spooler

    正确答案:B

  • 第4题：

    After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）

    • A、 Kernel thread
    • B、 Too many users
    • C、 Memory shortage
    • D、 Network contention

    正确答案:A

  • 第5题：

    单选题
    A user reports that the display on the laptop appears blurred. Which of the following is MOST likely the cause？ （）
    A

    The LCD is not running in its native resolution.

    B

    LCD monitors do not appear blurred.

    C

    The drivers are improperly installed.

    D

    More video memory needs to be allocated.


    正确答案： D
    解析： 暂无解析

  • 第6题：

    单选题
    Which of the following bottlenecks would MOST likely cause excessive hard drive activity？（）
    A

     Inadequate RAM

    B

     Slow processor

    C

     PCI bus

    D

     Excessive network traffic


    正确答案： C
    解析： 暂无解析

  • 第7题：

    单选题
    Which of the following network devices would MOST likely be installed on a network to helpreduce broadcast traffic and to allow individual virtual networks?（）
    A

    Switch

    B

    Repeater

    C

    Hub

    D

    WAP


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?（）
    A

    Antennae is not connected

    B

    Wireless card is defective

    C

    Drivers needs to be updated

    D

    OS needs to be updated


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following bottlenecks would MOST likely cause excessive hard drive activity?（）
    A

    Inadequate RAM

    B

    Slow processor

    C

    PCI bus

    D

    Excessive network traffic


    正确答案： C
    解析： 暂无解析

  • 第10题：

    单选题
    Memory utilization by the print spooler process is constantly climbing after users begin to print to acertain type of printer.  Which of the following is the MOST likely cause of the problem？（）
    A

     Corrupted print spooler software

    B

     Memory leak in one of the print drivers

    C

     The disk drive is out of free space

    D

     Memory leak in the print spooler


    正确答案： C
    解析： 暂无解析

  • 第11题：

    单选题
    After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）
    A

    The wireless switch was damaged during the display installation.

    B

    The network card has failed.

    C

    The new display is interfering with the wireless signal.

    D

    The antenna connector was not reconnected.


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following security devices would MOST likely be used on a network to screen and prevent malicious traffic?（）
    A

    IDS

    B

    VPN

    C

    NIPS

    D

    HIDS


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Which of the following bottlenecks would MOST likely cause excessive hard drive activity?（）

    • A、Inadequate RAM
    • B、Slow processor
    • C、PCI bus
    • D、Excessive network traffic

    正确答案:A

  • 第14题：

    Which of the following is MOST likely the reason a technician would implement software RAID for a SOHO environment？（）

    • A、CPU efficiency
    • B、High availability
    • C、High redundancy
    • D、Cost effective

    正确答案:D

  • 第15题：

    After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）

    • A、 Not enough NFS daemons running
    • B、 Too many NFS daemons running
    • C、 nfs_tcp_socketsize is too small
    • D、 nfs_tcp_socketsize is too large

    正确答案:B

  • 第16题：

    An  administrator  runs  mktcpip  aixhost  172.168.0.50  enO  to  change  the  network  address，  but  the  command  hangs  for  an  extended  period  of  time.   Which  of  the  following  is  the  most  likely  cause  of  the  problem（）

    • A、entO is in a defined state
    • B、enO is currently active
    • C、There is no physical network adapter on the system
    • D、The address 172.168.0.50 is in use by another system

    正确答案:B

  • 第17题：

    单选题
    After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
    A

     Not enough NFS daemons running

    B

     Too many NFS daemons running

    C

     nfs_tcp_socketsize is too small

    D

     nfs_tcp_socketsize is too large


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    While a user is compiling a C program, "vmstat 120 10" is run to determine the cause of a performance problem.  Using the vmstat output as shown in the exhibit, which of the following conclusions is most appropriate to draw?（）
    A

     There is a file I/O bottleneck.

    B

     There are too many open files. 

    C

     There appears to be a buffer shortage. 

    D

     There is a paging space I/O bottleneck. 


    正确答案： D
    解析： 暂无解析

  • 第19题：

    单选题
    Which of the following statements is TRUE concerning the po column of the vmstat command？（）
    A

     The sys is high when po is high.

    B

     The po represents the number of page steals.

    C

     The low values usually indicate insufficient paging space.

    D

     The low values usually indicate sufficient memory for the load.


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）
    A

     Too many nfsd’s running

    B

     Client and server with different buffer sizes

    C

     Bridges， routers or gateways are receiving too many fragmentated packets

    D

     Too few nfsd’s running


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    A user has no network connectivity. A check of the associated port indicates that the interface is up，the line protocol is down. Which item would most likely cause this problem？（）
    A

    Speed mismatch

    B

    Incorrect encapsulation

    C

    MTU set too low

    D

    Duplex mismatch


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following types of media would MOST likely cause above normal amounts of machine jamming？（）
    A

    Envelopes

    B

    Colored media

    C

    Letterhead

    D

    Pre punched


    正确答案： B
    解析： 暂无解析

  • 第23题：

    单选题
    An  administrator  runs  mktcpip  aixhost  172.168.0.50  enO  to  change  the  network  address，  but  the  command  hangs  for  an  extended  period  of  time.   Which  of  the  following  is  the  most  likely  cause  of  the  problem（）
    A

    entO is in a defined state

    B

    enO is currently active

    C

    There is no physical network adapter on the system

    D

    The address 172.168.0.50 is in use by another system


    正确答案： B
    解析： 暂无解析

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