An Administrator Is Working on a Server with Two CPUs

question 229

Multiple Choice

An administrator is working on a server with two CPUs. The administrator runs the uptime command and sees the following: 17:52        3 days        12 users 12.0        15.2        17.2 Several users are complaining that their user sessions are running slowly. Which of the following should the administrator do NEXT?

• A) Run ps -ef to find processes consuming excessive memory Run ps -ef to find processes consuming excessive memory
• B) Run top to find processes with high wait states top to find processes with high wait states
• C) Run who -r to find which user is using excessive processing capacity who -r to find which user is using excessive processing capacity
• D) Run ping -t to find users using excessive amounts of network bandwidth ping -t to find users using excessive amounts of network bandwidth

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Definitions:

Unattended Information

Information that is present in the environment but is not the focus of one's attention and hence is processed minimally or not at all.

Sensory Memory

The shortest-term element of memory, which allows retention of impressions of sensory information after the original stimuli have ended.

Primacy and Recency Effects

Psychological terms describing the tendency to remember information that appears at the beginning (primacy) and end (recency) of a list better than information in the middle.

Memory

The cognitive process of encoding, storing, and retrieving information.