Brocade
143-120 · Question #39
143-120 Question #39: Real Exam Question with Answer & Explanation
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Question
A customer is displaying Brocade DCX-4S switch statistics to determine the cause of a performance problem with tapes during a backup. The counter tim_txcrd_z (Time TX Credit Zero) is incrementing in the port statistics display and that the frame pacing counter on the RMF FICON Director Activity report is a non-zero value, but there is a slight discrepancy in the reported values. What would be the cause?
Options
- Aportstatsshow counter (tim_txcrd_z) is incremented when the DCX-4S port buffers are 0 during a 2.5
- BThe RMF frame pacing statistic is incremented when the DCX-4S port delays frames for buffer credits
- CBoth values are displaying the same counter but may differ depending upon the sampling time.
- DThe Director Activity report frame pacing counter is incremented when the DCX-4S port buffers reach 0 during
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