CSIA Final Exam Mock Examination latest
update 2026//2027 version Graded A+
Multiple Choice Questions with Rationale
PASS!!!!!!
1. What is the primary purpose of a firewall?
A. Increase internet speed B. Prevent unauthorized access C. Store
passwords D. Monitor employee attendance
Answer: B. Prevent unauthorized access
Rationale: Firewalls are designed to filter incoming and outgoing traffic
to block unauthorized access while allowing legitimate communication.
2. Which protocol is primarily used for secure web browsing?
A. HTTP B. FTP C. HTTPS D. SMTP
Answer: C. HTTPS
Rationale: HTTPS encrypts communication between browsers and web
servers using SSL/TLS security protocols.
3. What does VPN stand for?
A. Virtual Private Network B. Verified Personal Node C. Visual Protection
Network D. Variable Protocol Number
Answer: A. Virtual Private Network
,Rationale: A VPN creates an encrypted connection between a user and a
remote network over the internet.
4. Which device forwards data packets between computer networks?
A. Router B. Monitor C. Printer D. Keyboard
Answer: A. Router
Rationale: Routers direct network traffic between devices and networks
using IP addressing.
5. Which cybersecurity attack tricks users into revealing confidential
information?
A. Phishing B. Defragmentation C. Compression D. Virtualization
Answer: A. Phishing
Rationale: Phishing attacks impersonate trusted sources to steal
passwords, financial information, or sensitive data.
6. What does CPU stand for?
A. Central Processing Unit B. Core Power Utility C. Central Program
Upload D. Computer Processing User
Answer: A. Central Processing Unit
Rationale: The CPU performs calculations, processes instructions, and
controls computer operations.
,7. Which operating system is developed by Microsoft?
A. Linux B. macOS C. Windows D. Android
Answer: C. Windows
Rationale: Microsoft develops and maintains the Windows operating
system family.
8. What is malware?
A. Authorized software B. Harmful software C. Network cable D.
Hardware device
Answer: B. Harmful software
Rationale: Malware refers to malicious software intended to damage,
disrupt, or gain unauthorized access to systems.
9. Which storage device has no moving mechanical parts?
A. HDD B. SSD C. DVD D. Tape Drive
Answer: B. SSD
Rationale: Solid-state drives use flash memory instead of spinning disks,
improving speed and durability.
10. What does LAN stand for?
A. Local Area Network B. Long Access Node C. Logical Array Network D.
Linked Application Number
, Answer: A. Local Area Network
Rationale: A LAN connects devices within a limited geographic area such
as a home, school, or office.
11. Which command checks connectivity between devices?
A. ping B. print C. save D. copy
Answer: A. ping
Rationale: The ping command tests communication between systems by
sending ICMP echo requests.
12. What is the function of RAM?
A. Permanent storage B. Temporary memory for active tasks C. Virus
scanning D. Cooling system
Answer: B. Temporary memory for active tasks
Rationale: RAM temporarily stores data and instructions currently being
used by the computer.
13. Which cable type is commonly used in Ethernet networks?
A. HDMI B. USB C. Twisted Pair D. VGA
Answer: C. Twisted Pair
Rationale: Twisted-pair cables are widely used for Ethernet
communication because they reduce interference.
update 2026//2027 version Graded A+
Multiple Choice Questions with Rationale
PASS!!!!!!
1. What is the primary purpose of a firewall?
A. Increase internet speed B. Prevent unauthorized access C. Store
passwords D. Monitor employee attendance
Answer: B. Prevent unauthorized access
Rationale: Firewalls are designed to filter incoming and outgoing traffic
to block unauthorized access while allowing legitimate communication.
2. Which protocol is primarily used for secure web browsing?
A. HTTP B. FTP C. HTTPS D. SMTP
Answer: C. HTTPS
Rationale: HTTPS encrypts communication between browsers and web
servers using SSL/TLS security protocols.
3. What does VPN stand for?
A. Virtual Private Network B. Verified Personal Node C. Visual Protection
Network D. Variable Protocol Number
Answer: A. Virtual Private Network
,Rationale: A VPN creates an encrypted connection between a user and a
remote network over the internet.
4. Which device forwards data packets between computer networks?
A. Router B. Monitor C. Printer D. Keyboard
Answer: A. Router
Rationale: Routers direct network traffic between devices and networks
using IP addressing.
5. Which cybersecurity attack tricks users into revealing confidential
information?
A. Phishing B. Defragmentation C. Compression D. Virtualization
Answer: A. Phishing
Rationale: Phishing attacks impersonate trusted sources to steal
passwords, financial information, or sensitive data.
6. What does CPU stand for?
A. Central Processing Unit B. Core Power Utility C. Central Program
Upload D. Computer Processing User
Answer: A. Central Processing Unit
Rationale: The CPU performs calculations, processes instructions, and
controls computer operations.
,7. Which operating system is developed by Microsoft?
A. Linux B. macOS C. Windows D. Android
Answer: C. Windows
Rationale: Microsoft develops and maintains the Windows operating
system family.
8. What is malware?
A. Authorized software B. Harmful software C. Network cable D.
Hardware device
Answer: B. Harmful software
Rationale: Malware refers to malicious software intended to damage,
disrupt, or gain unauthorized access to systems.
9. Which storage device has no moving mechanical parts?
A. HDD B. SSD C. DVD D. Tape Drive
Answer: B. SSD
Rationale: Solid-state drives use flash memory instead of spinning disks,
improving speed and durability.
10. What does LAN stand for?
A. Local Area Network B. Long Access Node C. Logical Array Network D.
Linked Application Number
, Answer: A. Local Area Network
Rationale: A LAN connects devices within a limited geographic area such
as a home, school, or office.
11. Which command checks connectivity between devices?
A. ping B. print C. save D. copy
Answer: A. ping
Rationale: The ping command tests communication between systems by
sending ICMP echo requests.
12. What is the function of RAM?
A. Permanent storage B. Temporary memory for active tasks C. Virus
scanning D. Cooling system
Answer: B. Temporary memory for active tasks
Rationale: RAM temporarily stores data and instructions currently being
used by the computer.
13. Which cable type is commonly used in Ethernet networks?
A. HDMI B. USB C. Twisted Pair D. VGA
Answer: C. Twisted Pair
Rationale: Twisted-pair cables are widely used for Ethernet
communication because they reduce interference.
