Information Systems Fundamentals And Modeling Practice Test Practice Tests

Question 1

An organization implements an information system to automate its invoicing process. Before automation, it took an average of 15 minutes to process each invoice manually, costing €0.50 per invoice in labor. After automation, the processing time is reduced to 3 minutes, and the labor cost is reduced to €0.10 per invoice. If the organization processes 1000 invoices per day, what is the daily cost savings due to automation?

Accepted Answer

€400

Answer

€100

Answer

€500

Answer

€600

Question 2

A company is considering investing in a new information system. The initial investment is €50,000. The system is expected to increase revenue by €20,000 per year and reduce operating costs by €10,000 per year. What is the payback period for this investment, assuming constant annual benefits?

Accepted Answer

1.67 years

Answer

2 years

Answer

2.5 years

Answer

1 year

Question 3

A company uses an information system to manage its inventory. Before implementing the system, the company experienced a stockout rate of 5%, resulting in lost sales of €10,000 per year. After implementing the system, the stockout rate is reduced to 1%. What is the annual savings in lost sales due to the information system?

Accepted Answer

€8,000

Answer

€2,000

Answer

€5,000

Answer

€10,000

Question 4

A database stores customer information, including names, addresses, and purchase histories. The database contains 10,000 records. Each record has an average size of 1 KB. The company wants to implement a data mining tool to analyze customer purchase patterns. The data mining tool requires loading the entire database into memory. If the server has 8 GB of RAM, what percentage of the RAM will be used by the customer database?

Accepted Answer

1.22%

Answer

0.12%

Answer

12.2%

Answer

122%

Question 5

A company is deciding whether to invest in a new CRM system. The system is projected to increase sales by 15% and reduce customer churn by 10%. The current annual sales are €500,000, and the customer churn rate is 20%. Calculate the expected increase in sales revenue and the reduction in lost revenue due to decreased churn. What is the total expected revenue increase?

Accepted Answer

€95,000

Question 6

An information system that primarily focuses on automating routine tasks and improving operational efficiency is considered to be primarily aligned with the objective of decision support.

Accepted Answer

True

Answer

False

Question 7

A company is considering automating a simple task currently performed by an employee. The task takes 5 minutes per day and the employee's fully loaded cost is €50 per hour. The automation software costs €1000 and has an expected lifespan of 5 years. Assuming 200 working days per year, what is the net present value (NPV) of automating the task, ignoring discounting?

Accepted Answer

€(166.67)

Answer

€166.67

Answer

€3166.67

Answer

€(3166.67)

Question 8

A company is deciding between upgrading its existing client-server architecture or migrating to a cloud-based solution. The current client-server architecture has annual maintenance costs of €10,000 and requires a hardware refresh costing €50,000 every 3 years. The cloud-based solution has a subscription fee of €25,000 per year. Over a 6-year period, what is the difference in total cost between the two options, ignoring discounting?

Accepted Answer

€10,000

Answer

€20,000

Answer

€30,000

Answer

€40,000

Question 9

A company has two LANs located 50 km apart. They need to connect these LANs securely. Which network architecture is most suitable?

Accepted Answer

VPN over the Internet

Answer

LAN

Answer

MAN

Answer

WAN

Question 10

The business rules layer is primarily responsible for managing the user interface.

Accepted Answer

True

Answer

False

Question 11

A company's database stores customer information. The database schema includes fields for customer ID (integer), name (string), and purchase history (JSON array). Write a SQL query to retrieve the names of all customers who have made at least 5 purchases.

Accepted Answer

SELECT name FROM customers WHERE JSON_LENGTH(purchase_history) >= 5;

Question 12

Which of the following are common pitfalls in information systems implementation?

Answer

Latest version syndrome

Answer

Data integrity issues

Answer

Lack of interest

Answer

Internet/app FOMO

Question 13

A company is designing a new information system. They want to ensure that the system aligns with the company's organizational structure and responsibilities. Which model should they primarily focus on?

Accepted Answer

Organizational Model

Answer

Functional Model

Answer

IT Model

Answer

Data Model

Question 14

A software development project has 5 actors with complexity weights of 1, 2, 1, 1, and 2, and 10 use cases with complexity weights of 3, 3, 2, 3, 1, 2, 2, 3, 1, and 2. Using the Use Case Points (UCP) method, what is the unadjusted use case points (UUCP)?

Accepted Answer

41

Answer

7

Answer

22

Answer

29

Question 15

A project has an unadjusted use case point (UUCP) of 30. The technical complexity factor (TCF) is calculated to be 1.1, and the environmental complexity factor (ECF) is 0.9. What is the adjusted UCP?

Accepted Answer

29.7

Answer

27

Answer

30

Answer

33

Question 16

In BPMN, a gateway is used to control the flow of a process.  If an exclusive gateway has three outgoing sequence flows, and only one path can be taken, what is the probability that a specific path will be chosen, assuming each path is equally likely?

Accepted Answer

1/3

Question 17

Consider a use case with the following characteristics: 3 actors, 7 steps in the main success scenario, and 2 alternative flows. According to the UCP method, which level of use case granularity is most appropriate for this use case?

Accepted Answer

User Goal Level

Answer

Subfunction Level

Answer

Summary Level

Answer

System Level

Question 18

In UML, a link represents a relationship between two classes, while an association represents a relationship between two objects.

Accepted Answer

True

Answer

False

Question 19

Which of the following are valid types of gateways in BPMN?

Answer

Parallel Gateway

Answer

Exclusive Gateway

Answer

Inclusive Gateway

Answer

Sequential Gateway

Question 20

A software development team estimates that a project will require 500 person-hours of effort. If the average cost per person-hour is €80, what is the estimated total cost of the project?

Accepted Answer

€40000

Information Systems Fundamentals And Modeling Practice Test Practice Tests

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Information Systems Fundamentals and Modeling Practice Test

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