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000-912 V6.41

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Description from the publisher
Test 000-912 exam dumps Related certifications:

* IBM Certified Solutions Expert -- Informix Dynamic Server V7 System Administrator
* IBM Certified Solutions Expert -- Informix Dynamic Server V9 System Administrator

Section 1 - Components of Performance (6%)
1. Solve performance problems through investigation of performance components: CPU, disk and memory
2. Demonstrate an understanding of the affects each component has on performance

Section 2 - Measuring the Environment (16%)
1. Demonstrate an understanding of the UNIX and Informix Dynamic Server tools such as iostat, sar, time/timex, vmstat, ps, sa, onstat, oncheck, onperf, and SMI to measure performance

Section 3 - Disk Layout and Configuration (13%)
1. Determine optimal disk layout and configuration
2. Demonstrate an understanding of I/O priorities for both DSS and OLTP systems

Section 4 - Fragmentation Strategies (6%)
1. Demonstrate an understanding of implementing, optimizing, and monitoring fragmentation

Section 5 - Tuning Informix Dynamic Server I/O (21%)
1. Demonstrate an understanding of I/O tuning factors and how these areas can be monitored and tuned for optimal performance (AIO vps, Checkpoints, LRU queues/parameters and Read-ahead parameters)

Section 6 - Database Performance Strategies (16%)
1. Demonstrate an understanding of logging and the impact of logging on performance
2. Demonstrate an understanding of indexes and the impact indexes have on performance
3. Use UPDATE STATISTICS effectively

Section 7 - Processor and Operating Systems (6%)
1. Monitor and tun vp and CPU vp usage
2. Determine optimal vp configuration

Section 8 - Memory Usage (6%)
1. Demonstrate an understanding of how memory is used

Note: This test will be withdrawn on Mar 31 2011.

More informations view: http://www.test4pass.com/000-912-exam.html easier way to success!
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