CSIA FINAL EXAM VERSION 1 – PRACTICE LATEST
2026 UPDATE 100 QUESTIONS AND DETAILED
VERIFIED ANSWERS FROM ACTUAL EXAMS TEST
GRADE A+
Question 1
What is the primary purpose of information security in an organization?
A. To increase internet speed
B. To protect confidentiality, integrity, and availability of data
C. To reduce employee workload
D. To eliminate all business risks
Answer: B. To protect confidentiality, integrity, and availability of data
Rationale: The core objective of information security is the CIA triad—
confidentiality, integrity, and availability of information assets.
Question 2
Which type of malware is designed to replicate itself across networks?
A. Trojan
B. Spyware
C. Worm
D. Rootkit
Answer: C. Worm
Rationale: A worm spreads independently through networks without requiring
user interaction.
Question 3
,What does the principle of least privilege mean?
A. Users should have no access to systems
B. Users should only receive the minimum access needed
C. Administrators should control all files
D. Employees should share passwords
Answer: B. Users should only receive the minimum access needed
Rationale: Least privilege limits user permissions to reduce security risks and
unauthorized access.
Question 4
Which attack attempts to trick users into revealing sensitive information through
fake emails?
A. DoS attack
B. SQL injection
C. Phishing
D. Brute force attack
Answer: C. Phishing
Rationale: Phishing attacks impersonate trusted entities to steal credentials or
sensitive information.
Question 5
Which protocol is commonly used to securely browse websites?
A. FTP
B. HTTP
C. HTTPS
D. Telnet
Answer: C. HTTPS
,Rationale: HTTPS encrypts communication between a browser and web server
using SSL/TLS.
Question 6
What is the purpose of a firewall?
A. To physically secure a building
B. To monitor employee attendance
C. To filter and control network traffic
D. To back up data automatically
Answer: C. To filter and control network traffic
Rationale: Firewalls enforce security rules to permit or deny network traffic.
Question 7
Which authentication factor involves something the user knows?
A. Fingerprint
B. Smart card
C. Password
D. Retina scan
Answer: C. Password
Rationale: Passwords are knowledge-based authentication factors.
Question 8
What is social engineering?
A. Building secure networks
B. Manipulating people into revealing confidential information
, C. Encrypting databases
D. Developing operating systems
Answer: B. Manipulating people into revealing confidential information
Rationale: Social engineering exploits human behavior rather than technical
vulnerabilities.
Question 9
Which encryption type uses the same key for encryption and decryption?
A. Asymmetric encryption
B. Symmetric encryption
C. Hashing
D. Tokenization
Answer: B. Symmetric encryption
Rationale: Symmetric encryption relies on a single shared secret key.
Question 10
Which device connects multiple computers within a LAN and forwards data
intelligently?
A. Hub
B. Modem
C. Switch
D. Repeater
Answer: C. Switch
Rationale: Switches use MAC addresses to forward traffic to the correct
destination.
2026 UPDATE 100 QUESTIONS AND DETAILED
VERIFIED ANSWERS FROM ACTUAL EXAMS TEST
GRADE A+
Question 1
What is the primary purpose of information security in an organization?
A. To increase internet speed
B. To protect confidentiality, integrity, and availability of data
C. To reduce employee workload
D. To eliminate all business risks
Answer: B. To protect confidentiality, integrity, and availability of data
Rationale: The core objective of information security is the CIA triad—
confidentiality, integrity, and availability of information assets.
Question 2
Which type of malware is designed to replicate itself across networks?
A. Trojan
B. Spyware
C. Worm
D. Rootkit
Answer: C. Worm
Rationale: A worm spreads independently through networks without requiring
user interaction.
Question 3
,What does the principle of least privilege mean?
A. Users should have no access to systems
B. Users should only receive the minimum access needed
C. Administrators should control all files
D. Employees should share passwords
Answer: B. Users should only receive the minimum access needed
Rationale: Least privilege limits user permissions to reduce security risks and
unauthorized access.
Question 4
Which attack attempts to trick users into revealing sensitive information through
fake emails?
A. DoS attack
B. SQL injection
C. Phishing
D. Brute force attack
Answer: C. Phishing
Rationale: Phishing attacks impersonate trusted entities to steal credentials or
sensitive information.
Question 5
Which protocol is commonly used to securely browse websites?
A. FTP
B. HTTP
C. HTTPS
D. Telnet
Answer: C. HTTPS
,Rationale: HTTPS encrypts communication between a browser and web server
using SSL/TLS.
Question 6
What is the purpose of a firewall?
A. To physically secure a building
B. To monitor employee attendance
C. To filter and control network traffic
D. To back up data automatically
Answer: C. To filter and control network traffic
Rationale: Firewalls enforce security rules to permit or deny network traffic.
Question 7
Which authentication factor involves something the user knows?
A. Fingerprint
B. Smart card
C. Password
D. Retina scan
Answer: C. Password
Rationale: Passwords are knowledge-based authentication factors.
Question 8
What is social engineering?
A. Building secure networks
B. Manipulating people into revealing confidential information
, C. Encrypting databases
D. Developing operating systems
Answer: B. Manipulating people into revealing confidential information
Rationale: Social engineering exploits human behavior rather than technical
vulnerabilities.
Question 9
Which encryption type uses the same key for encryption and decryption?
A. Asymmetric encryption
B. Symmetric encryption
C. Hashing
D. Tokenization
Answer: B. Symmetric encryption
Rationale: Symmetric encryption relies on a single shared secret key.
Question 10
Which device connects multiple computers within a LAN and forwards data
intelligently?
A. Hub
B. Modem
C. Switch
D. Repeater
Answer: C. Switch
Rationale: Switches use MAC addresses to forward traffic to the correct
destination.
