Maryland Information Technology
Professional Exam With Actual Questions &
Verified Answers,Explained Rationales/Expert
Verified For Guaranteed Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of an operating system?
A. To design hardware components
B. To manage hardware and software resources
C. To create web applications
D. To compile programming languages
Answer: B
Rationale: The operating system manages computer hardware
and software resources and provides services for programs.
2. Which layer of the OSI model is responsible for routing?
A. Physical layer
B. Data link layer
C. Network layer
D. Session layer
Answer: C
Rationale: The network layer determines the best path for data
transfer and handles routing.
3. What does RAM stand for?
A. Read Access Memory
B. Random Access Memory
C. Rapid Application Module
D. Run Active Memory
Answer: B
, Rationale: RAM stands for Random Access Memory, which
temporarily stores data for quick access.
4. Which protocol is used to securely browse the web?
A. FTP
B. HTTP
C. HTTPS
D. SMTP
Answer: C
Rationale: HTTPS encrypts data between browser and server for
secure communication.
5. What is phishing?
A. Hardware malfunction
B. A type of firewall
C. A social engineering attack to steal information
D. A network protocol
Answer: C
Rationale: Phishing is a fraudulent attempt to obtain sensitive
data by disguising as a trustworthy entity.
6. Which device connects multiple networks together?
A. Switch
B. Hub
C. Router
D. Modem
Answer: C
Rationale: A router connects multiple networks and directs data
traffic between them.
7. What is the function of a firewall?
A. Increase processing speed
B. Store data permanently
, C. Monitor and control network traffic
D. Compress files
Answer: C
Rationale: A firewall filters incoming and outgoing network
traffic based on security rules.
8. Which of the following is an example of open-source software?
A. Microsoft Windows
B. Adobe Photoshop
C. Linux
D. Microsoft Office
Answer: C
Rationale: Linux is open-source software that can be modified
and distributed freely.
9. What does IP stand for?
A. Internet Protocol
B. Internal Processing
C. Internet Procedure
D. Integrated Program
Answer: A
Rationale: IP stands for Internet Protocol, which identifies
devices on a network.
10. What is malware?
A. A network cable
B. Malicious software designed to harm systems
C. A programming language
D. A hardware component
Answer: B
Rationale: Malware refers to software designed to damage or
disrupt systems.
Professional Exam With Actual Questions &
Verified Answers,Explained Rationales/Expert
Verified For Guaranteed Pass 2026/Latest
Update/Instant Download Pdf
1. What is the primary purpose of an operating system?
A. To design hardware components
B. To manage hardware and software resources
C. To create web applications
D. To compile programming languages
Answer: B
Rationale: The operating system manages computer hardware
and software resources and provides services for programs.
2. Which layer of the OSI model is responsible for routing?
A. Physical layer
B. Data link layer
C. Network layer
D. Session layer
Answer: C
Rationale: The network layer determines the best path for data
transfer and handles routing.
3. What does RAM stand for?
A. Read Access Memory
B. Random Access Memory
C. Rapid Application Module
D. Run Active Memory
Answer: B
, Rationale: RAM stands for Random Access Memory, which
temporarily stores data for quick access.
4. Which protocol is used to securely browse the web?
A. FTP
B. HTTP
C. HTTPS
D. SMTP
Answer: C
Rationale: HTTPS encrypts data between browser and server for
secure communication.
5. What is phishing?
A. Hardware malfunction
B. A type of firewall
C. A social engineering attack to steal information
D. A network protocol
Answer: C
Rationale: Phishing is a fraudulent attempt to obtain sensitive
data by disguising as a trustworthy entity.
6. Which device connects multiple networks together?
A. Switch
B. Hub
C. Router
D. Modem
Answer: C
Rationale: A router connects multiple networks and directs data
traffic between them.
7. What is the function of a firewall?
A. Increase processing speed
B. Store data permanently
, C. Monitor and control network traffic
D. Compress files
Answer: C
Rationale: A firewall filters incoming and outgoing network
traffic based on security rules.
8. Which of the following is an example of open-source software?
A. Microsoft Windows
B. Adobe Photoshop
C. Linux
D. Microsoft Office
Answer: C
Rationale: Linux is open-source software that can be modified
and distributed freely.
9. What does IP stand for?
A. Internet Protocol
B. Internal Processing
C. Internet Procedure
D. Integrated Program
Answer: A
Rationale: IP stands for Internet Protocol, which identifies
devices on a network.
10. What is malware?
A. A network cable
B. Malicious software designed to harm systems
C. A programming language
D. A hardware component
Answer: B
Rationale: Malware refers to software designed to damage or
disrupt systems.
