1z0460 Oracle Linux 6 Implementation Essentials Free Practice Test — 30 Questions

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Question 1 of 30

Anya, an Oracle Linux 6 system administrator, is alerted to a critical performance degradation on a production server hosting a mission-critical database. Users are reporting extremely slow response times, and system monitoring indicates unusually high CPU utilization across multiple cores, leading to intermittent application unresponsiveness. Anya needs to swiftly identify the root cause of this bottleneck to restore normal operations. Which of the following diagnostic approaches would provide the most precise and actionable insights into the specific processes or kernel activities consuming excessive CPU resources in this Oracle Linux 6 environment?

Employing the `perf` utility to analyze CPU performance counters and trace specific kernel events related to process scheduling and execution.
Relying solely on the `top` command to identify the top CPU-consuming processes and then restarting suspected services.
Utilizing `vmstat` to monitor system-wide memory and CPU statistics, looking for sustained high percentages without focusing on individual process behavior.
Running `strace` on all active database processes to capture their system call activity and analyze the output for resource-intensive operations.

About the 1z0460 Oracle Linux 6 Implementation Essentials Certification

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