question

One technique that can be used in perfective maintenance is software reengineering.

answer

True

question

Risk ____ analyzes the organization's assets, threats, and vulnerabilities.

answer

identification

question

____ shifts the risk to another asset or party, such as an insurance company, in risk control.

answer

Transference

question

Possible disadvantages of rotating IT staff from maintenance to new systems groups include ____.

answer

overhead costs increase when people move from one job to another systems analysts have less opportunity to become skilled at any one job

question

Preset ____ determine whether a firewall will allow network traffic to pass.

answer

rules

question

____ include the volume of online data, the number of records accessed, and the number of transactions processed in a given time period.

answer

Metrics

question

The ____ is the configuration of a system documented at the beginning of the project and consists of all necessary system requirements and design constraints.

answer

functional baseline

question

With a release methodology, even when changes would improve system efficiency or user productivity, the potential savings must wait until the next release date, which might increase operational costs.

answer

True

question

____ describes the amount of data that a system can transfer in a fixed time period.

answer

Bandwidth

question

As shown in the accompanying figure, ____ when it becomes clear that the company plans to replace the system.

answer

adaptive and corrective maintenance expenses increase rapidly, but perfective maintenance typically decreases

question

A(n) ____ is an unauthorized attempt to increase permission levels.

answer

privilege escalation attack

question

____ means examining the whole in order to learn about the individual elements.

answer

Analysis

question

A ____ is a formal reference point that measures system characteristics at a specific time.

answer

baseline

question

If significant changes take place in an existing system or if a new version is released, the IT department might develop a ____.

answer

user training package

question

The procedure for minor adaptive maintenance is similar to routine corrective maintenance.

answer

True

question

____ activities include changing programs, procedures, or documentation to ensure correct system performance; adapting the system to changing requirements; and making the system operate more efficiently.

answer

Maintenance

question

____ means that in risk control, nothing is done.

answer

Acceptance

question

____ involves studying the parts to understand the overall system.

answer

Synthesis

question

When planning capacity, detailed information is needed about ____.

answer

the number of threats and critical risks posed to a system

question

The ____ is responsible for assigning maintenance tasks to individuals or to a maintenance team.

answer

system administrator

question

Companies with limited resources always consider new systems development, adaptive maintenance, and corrective maintenance less important than perfective maintenance.

answer

False

question

Bandwidth requirements are expressed in bytes per minute.

answer

False

question

____ costs include expenses for items such as supplies, equipment rental, and software leases.

answer

Operational

question

Indications that a system has reached the end of its economically useful life include ____.

answer

operational costs and execution times are decreasing rapidly

question

As the first step in capacity planning, analysts develop a current model based on the system's present workload and performance specifications.

answer

True

question

____ expenses vary significantly during a system's operational life and include spending to support maintenance activities.

answer

Maintenance

question

____ protects information from unauthorized disclosure and safeguards privacy.

answer

Confidentiality

question

Successful, robust systems often need the most support because users want to learn the features, try all the capabilities, and discover how the system can help them perform their business functions.

answer

True

question

Perfective maintenance usually is cost effective ____ the system's operational life.

answer

during the middle of

question

When setting priorities, many IT managers believe that evaluating all projects together leads to the best possible decisions because ____.

answer

maintenance and new development require similar IT department resources

question

When corrective action cannot occur immediately, users appreciate feedback from the system administrator and should be kept informed of any decisions or actions that affect their maintenance requests.

answer

True

question

Retention periods can be a specific number of months or years, depending on legal requirements and company policy.

answer

True

question

Requests for corrective and adaptive maintenance normally come from the IT department, while users usually initiate perfective maintenance.

answer

False

question

Configuration management is sometimes referred to as change control.

answer

True

question

Perfective maintenance can improve system reliability.

answer

True

question

____ ensures that authorized users have timely and reliable access to necessary information.

answer

Availability

question

As shown in the accompanying figure, once a system becomes stable, maintenance costs usually remain low and involve minor ____ maintenance.

answer

adaptive

question

Perfective maintenance ____.

answer

involves changing an operational system to make it more efficient, reliable, or maintainable

question

____ is a process for controlling changes in system requirements during software development.

answer

CM

question

The ____ documents a system at the end of the design phase, identifies any changes since the beginning of the project, and includes testing and verification of all system requirements and features.

answer

allocated baseline

question

As shown in the accompanying figure, maintenance expenses usually are high when a system is implemented because problems must be detected, investigated, and resolved by ____ maintenance.

answer

corrective

question

Adaptive maintenance always is less difficult than new systems development because the enhancements need not work within the constraints of an existing system.

answer

False

question

Which of the following is not an advantage of the release methodology?

answer

new features or upgrades are available more often

question

The main objective of user training is to show users how to become service desk staff members.

answer

False

question

In a typical system, the initial version of the system is 1.0, and the release that includes the first set of maintenance changes is version ____.

answer

1.1

question

Although the procedures for corrective maintenance and adaptive maintenance are alike, minor corrective maintenance requires more IT department resources than minor adaptive maintenance.

answer

False

question

Newly hired and recently promoted IT staff members often are assigned to maintenance projects because their managers believe that maintenance work offers a valuable learning experience.

answer

True

question

In most organizations, ____ IT department effort goes into supporting existing systems and making them more valuable to users.

answer

more than half of all

question

As the first step in capacity planning, analysts develop a current model based on the system's present workload and performance specifications.

answer

True

question

Risk ____ develops safeguards that reduce risks and their impact.

answer

control

question

Both adaptive and perfective maintenance activities decrease in a dynamic business environment.

answer

False

question

To measure system performance, companies use ____ testing, which uses a set of standard tests on one system to compare its performance and capacity to that of other systems.

answer

benchmark

question

A ____ is an internal or external entity that could endanger an asset.

answer

threat

question

As enterprise-wide information systems grow more complex, configuration management becomes less and less useful.

answer

False

question

Adaptive maintenance ____.

answer

adds enhancements to an operational system and makes the system easier to use

question

____ prevents unauthorized users from creating, modifying, or deleting information.

answer

Integrity

question

Bandwidth will not be measured in which of the following units?

answer

Dbps (decibits per second)

question

Preventive maintenance ____.

answer

requires analysis of areas where trouble is likely to occur in order to avoid problems

question

In a PKE environment, each user on the network has a pair of keys: a public key and a private key.

answer

True

question

Risk ____ measures risk likelihood and impact.

answer

assessment

question

When analysts learn different skills, the organization is more versatile and people can shift to meeting changing business needs.

answer

True

question

Perfective maintenance usually is cost effective ____ the system's operational life.

answer

during the middle of

question

A main objective of a service desk is to ____.

answer

provide answers to technical or operational questions make users more productive by teaching them how to meet their own information needs

question

The systems support and security phase begins when a system becomes operational and continues until the system reaches the end of its useful life.

answer

True

question

Using a release methodology increases the documentation burden.

answer

False

question

A service desk is a highly effective replacement for traditional IT maintenance and support activities.

answer

False

question

Application security requires an understanding of services, hardening, application permissions, input validation techniques, software patches and updates, and software logs.

answer

True

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