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Exam 12: System Management

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Memory management is intrinsically linked with device management when memory is used to buffer data between a very fast processor and slower secondary storage devices.

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Resource availability in its simplest form means that a unit will be operational and not out of service when a user needs it.

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Increasing the number of processors necessarily increases overhead required to manage multiple jobs among multiple processors.

If you buy a terminal with an MTBF of 4000 hours,and you plan to use it for four hours a day for 20 days a month,then you would expect it to fail once every five months.

The advantage of routine patch cycles is that they allow for thorough review of the patch and testing cycles before deployment.

System efficiency is affected primarily by two major components: user programs and operating system programs.

____ is needed to achieve success in deploying a patch to a large network.

____ is/are usually measured under steady-state conditions and will reflect quantities such as "the number of jobs processed per day" or "the number of online transactions handled per hour."

The first step in testing a patch is ____.

The overall responsibility of keeping an organization's software up to date ____.

If an operating system patch is not critical in nature,you might choose to delay installation until a regular patch cycle begins.

Any system improvement can be made only after extensive analysis of the needs of the system's resources,requirements,managers,and users.

Benchmark results are valuable because they are not dependent upon system workload,system design and implementation,or the specific requirements of the applications loaded on the system.

Capacity is a composite measure that indicates the productivity of the system as a whole.

Memory management is intrinsically linked with ____ management when memory is used to buffer data between a very fast processor and slower secondary storage devices.

Rescheduling requests is a technique that can help optimize I/O times.

The formula used to calculate a unit's availability is ____.

Blocking I/O requests to optimize access times increases the number of physical I/O requests.

A positive feedback loop mechanism monitors the system and,when it becomes too congested,signals the Job Scheduler to slow down the arrival rate of processes.

____ is a queue reordering technique that can help optimize I/O times.