c954 Information Technology Management - Set 2 - Part 1

Correct Answer: To manage data storage, relationships, and security

A DBMS is responsible for creating and managing data structures, defining relationships, enforcing security, and allowing for data storage and retrieval.

Correct Answer: Hierarchical Database

Hierarchical databases organize data in a tree-like structure with parent-child relationships, allowing each data element to have only one parent.

Correct Answer: Association

Association identifies relationships between data points, such as products often bought together, which retailers use to improve recommendations and sales.

Correct Answer: Predictive Analytics

Predictive analytics uses historical data to identify trends and forecast future outcomes, making it suitable for stock performance predictions.

Correct Answer: Integrity

Integrity ensures that data remains unchanged from its original form, validating that information has not been tampered with.

Correct Answer: Worm

Worms are a type of malware that can spread independently across networks without user interaction, often causing widespread issues.

Correct Answer: C2C

Consumer-to-Consumer (C2C) e-commerce facilitates transactions directly between consumers, typically through online marketplaces.

Correct Answer: Agile

Agile focuses on flexibility and rapid iteration, making it ideal for environments requiring frequent updates and changes.

Correct Answer: Implementation

During implementation, users are trained to operate the new system, and documentation is created to guide both users and support teams.

Correct Answer: Infrastructure as a Service (IaaS)

IaaS provides virtualized computing resources over the internet, allowing users to scale resources based on demand.

Correct Answer: System Availability

System availability measures how consistently the system operates without interruptions, excluding planned maintenance.

Correct Answer: User Interface

The user interface in a DSS enables users to interact with the system, input data, and view results of analyses.

Correct Answer: To use resources efficiently under constraints

Optimization analysis seeks the best possible resource allocation while adhering to specific constraints.

Correct Answer: Visitors who make a purchase

Conversion tracks the number of visitors who complete a desired action, such as purchasing, indicating the effectiveness of marketing efforts.

Correct Answer: Dedicated Line

Dedicated lines offer consistent, high-speed connections, often used by businesses for their reliability and performance.

Correct Answer: Excess Inventory

Excess inventory includes items that are not immediately needed, resulting in additional storage and maintenance costs.

Correct Answer: WAN

Wide Area Networks (WANs) cover extensive geographic areas, connecting multiple LANs across different locations, sometimes spanning cities or countries.

Correct Answer: Supports hundreds or thousands of users simultaneously

Mainframes are high-capacity systems used by large organizations to handle numerous simultaneous users and processes.

Correct Answer: To prevent unauthorized network access

Firewalls control incoming and outgoing network traffic, blocking unauthorized users from accessing secure networks.

Correct Answer: HTTPS

HTTPS secures data transfer over the internet by encrypting the communication between a web server and a client’s browser.