Thousands of extracted MCQs, lesson mapped and connected to the original question-and-answer PDF series.
Original PDFs remain the authority
4,864Extracted questions
582Quiz sets
4,737Lesson mapped
1—583Quiz range
Practice set4,864 matches · Page 15/487
Question 141Quiz 569
Networking
Consider the following statements : A. The OSI model has 7 layers, while the TCP/IP model has 4 or 5 layers depending on interpretation. OSI 7TCP/IP 45 B. In the TCP/IP model, Application layer combines OSI's Application, Presentation, and Session layers. TCP/IP OSI C. The Transport layer is responsible for segmentation, reassembly, and error detection in both models. D. The Internet layer in TCP/IP is equivalent to the Network layer in OSI. TCP/IP OSI E. In OSI, the Data Link layer is responsible for routing packets across different networks. OSI Which of the above statements are correct? ?
L06 · Data communication and computer networking
Question 142Quiz 569
Database systems
Consider the following SQL table for a simple database. SQL CREATE TABLE Employees ( EmployeeID INT PRIMARY KEY, EmployeeName VARCHAR(50), Department VARCHAR(50), Salary DECIMAL(10, 2) ); Which SQL query will retrieve the average salary of employees in each department, sorted by the highest average salary first? SQL ?
L08 · Database management
Question 143Quiz 569
Programming and algorithms
What will be the output of the following code? ? details = [(1, "Max", 90), (2, "Leo", 49), (3, "Mia", 72)] i = 0 while i < len(details): if details[i][2] < 50: i += 1 continue print(details[i][0], end=" ") i += 1
L09 · Programming and algorithms with Python
Question 144Quiz 569
Networking
An organization with a network of branches all over the island has prepared to install a new system to replace the old customer management system in its organization. It will be established in the existing branch in Colombo and only if it is successful, it will be established in other branches as well. What kind of system deployment is this? ?
L06 · Data communication and computer networking
Question 145Quiz 569
Database systems
Which attribute sets the initial value of an input element ? ?
L08 · Database management
Question 146Quiz 569
Web development
Which of the following statements about HTML is false? HTML ? A. An HTML document is a computer program. / HTML B. The content of the Body is displayed by preview regardless of the content of the Header section. Body C. A perfect HTML document should consist of a header and a body section. HTML Body D. Only the properties of the web browser are always used to shape the appearance of a document.
L10 · Web development
Question 147Quiz 569
Database systems
Which of the following statements best describes data integrity in a database? (data integrity) ?
L08 · Database management
Question 148Quiz 569
Networking
Which of the following statements is true about the difference between a hub and a switch? ?
L06 · Data communication and computer networking
Question 149Quiz 569
Business and digital society
Which of the following best describes how ICT improves business productivity? ?
L13 · New trends and future directions of ICT
Question 150Quiz 569
Data representation and computer architecture
Which of the following statement(s) is/are true regarding quantum computing? ? A. Quantum computing applies the principles of quantum physics. B. Quantum computers emit radiation harmful to human users. C. Quantum bits are used as the unit of information in quantum computing.