Exam 14: Maintaining Information Systems

List the four types of maintenance.

When ________ maintenance problems surface,they are typically urgent and need to be resolved to curtail possible interruptions in normal business activities.

How does an organization control maintenance requests?

Contrary to corrective maintenance,adaptive maintenance is generally the largest part of an organization's maintenance effort,but it does not add value to the organization.

Time between each failure and type of failure are never helpful for measuring maintenance effectiveness.

On a periodic basis,who prepares a report of all pending tasks in the change request queue?

According to Nash,the standard cost of maintenance for most ERP vendors is ________ percent annually.

If the MTBF does not rapidly ________ over time,it will be a signal to management that major problems exist within the system that are not being adequately resolved through the maintenance process.

Which process can begin soon after the system is installed?

Before modified or new pages are published,pages should be processed by a code validation routine to ensure that all the code,including applets,works.This is known as _________.

The most common maintenance issue for any Web site (besides changing the content of the site)is validating that ________ from site pages are still accurate.

Adaptive,perfective,and preventive maintenance activities can lead to ________ maintenance activities if not carefully designed and implemented.

Adaptive maintenance is usually less urgent than corrective maintenance because business and technical changes typically occur over some period of time.

Who is responsible for controlling the checking out and checking in of baseline modules for a system when a system is being developed or maintained?

If ________ is/are assigned to make changes to a system,they must first check out a copy of the baseline system modules since no one is allowed to directly modify the baseline modules.

Once a maintenance request is received,________ must be conducted to gain an understanding of the scope of the request.

"Formal transfer of systems between groups improves the system and documentation quality" is an advantage of which maintenance organizational structure?

"Documentation and testing thoroughness may suffer due to a lack of a formal transfer of responsibility" is a disadvantage of which maintenance organizational structure?

Define MTBF.

________ tools are those that can create a representation of a system or program module at a design level of abstraction.