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

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

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相似问题和答案

第1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:D

第2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3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.


参考答案:D

第4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5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6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

第7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8题:

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 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


参考答案:B

第9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10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

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