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Exam 70-411 topic 2 question 50 discussion

Actual exam question from Microsoft's 70-411
Question #: 50
Topic #: 2
[All 70-411 Questions]

You have a server named Server1 that runs Windows Server 2012 R2.
You discover that the performance of Server1 is poor.
The results of a performance report generated on Server1 are shown in the following table.

You need to identify the cause of the performance issue.
What should you identify?

  • A. Driver malfunction
  • B. Insufficient RAM
  • C. Excessive paging
  • D. NUMA fragmentation
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
Processor: %DPC Time. Much like the other values, this counter shows the amount of time that the processor spends servicing DPC requests. DPC requests are more often than not associated with the network interface.
Processor: % Interrupt Time. This is the percentage of time that the processor is spending on handling Interrupts. Generally, if this value exceeds 50% of the processor time you may have a hardware issue. Some components on the computer can force this issue and not really be a problem. For example a programmable I/O card like an old disk controller card, can take up to 40% of the CPU time. A NIC on a busy IIS server can likewise generate a large percentage of processor activity.
Processor: % User Time. The value of this counter helps to determine the kind of processing that is affecting the system. Of course the resulting value is the total amount of non-idle time that was spent on User mode operations. This generally means application code.
Processor: %Privilege Time. This is the amount of time the processor was busy with Kernel mode operations. If the processor is very busy and this mode is high, it is usually an indication of some type of NT service having difficulty, although user mode programs can make calls to the Kernel mode NT components to occasionally cause this type of performance issue.
Memory: Pages/sec. This value is often confused with Page Faults/sec. The Pages/sec counter is a combination of Pages Input/sec and Pages Output/sec counters. Recall that Page Faults/sec is a combination of hard page faults and soft page faults. This counter, however, is a general indicator of how often the system is using the hard drive to store or retrieve memory associated data.
References:
http://technet.microsoft.com/en-us/library/cc768048.aspx
by [deleted] at April 4, 2025, 8:33 a.m.

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