Question 1 of 30
A system administrator is tasked with diagnosing performance issues on a Solaris 11 server that has been reported to be sluggish. After running the `vmstat` command, they observe high values in the \"r\" (run queue) and \"b\" (blocked) columns, while the \"us\" (user CPU time) and \"sy\" (system CPU time) percentages are relatively low. Based on this output, what is the most likely underlying issue affecting the server\'s performance?
The server is experiencing a high number of processes waiting for CPU time, indicating potential CPU contention.
The server is facing memory shortages, causing processes to be blocked while waiting for memory allocation.
The server's disk I/O operations are excessively high, leading to processes being blocked on I/O requests.
The server is underutilized, with most processes in a sleep state, indicating a lack of workload.

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