You Find That Disk Operations on Your Server Have Gradually

question 14

Multiple Choice

You find that disk operations on your server have gradually gotten slower. You look at the hard disk light and it seems to be almost constantly active and the disk seems noisier than when you first installed the system. What is the likely problem?

• A)the disk spindles need to be greased
• B)the disk is fragmented
• C)there are bad sectors on the disk
• D)you have not implemented quotas

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Definitions:

Continuity Correction

A correction used in approximating a discrete distribution with a continuous one, especially in hypothesis testing with binomial distributions.

Normal Probability Distribution

A bell-shaped curve that represents the distribution of many types of naturally occurring data and is defined by its mean and standard deviation.

Discrete Probability Distributions

Probability distributions that characterize the outcomes of experiments with discrete outcomes, specifying the probability of each outcome.

Binomial Probabilities

The probabilities of obtaining a given number of successes in a fixed number of binary trials.