Exam 12: Managing Systems Support and Security

The systems support and security phase is an important component of TCO (total cost of ownership) because ongoing maintenance expenses can determine the economic life of a system.

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

Another of Jamal's clients has software that is so outdated that it has become increasingly vulnerable to attack. How does Jamal categorize this threat?

COMPLETION -As shown in the accompanying figure, ____________________ maintenance is a type of maintenance that improves efficiency.

MATCHING Identify the letter of the choice that best matches the phrase or definition. a.private key encryption f.transference b.public key encryption g.attack c.CIA h.security d.threat i.CM e.mitigation j.software reengineering -Uses analytical techniques to identify potential quality and performance improvements in an information system.

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

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.

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

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

To provide security for network traffic, data can be ____________________, which refers to a process of encoding the data so it cannot be accessed without authorization.

Adaptive maintenance requests for major errors receive a high priority and a maintenance team begins work on the problem immediately. _________________________

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

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

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

MATCHING Identify the letter of the choice that best matches the phrase or definition. a.private key encryption f.transference b.public key encryption g.attack c.CIA h.security d.threat i.CM e.mitigation j.software reengineering -Triangle that shows the three main elements of system security.

The most recent wireless security enhancement, ____________________, further strengthens the level of wireless protection.

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

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

-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.

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