CSS - PMS - CCE - PCS - General Science
Cyber Security
What is the principle of least privilege?
A. Using no passwords
B. Storing all data publicly
C. Giving users and processes only the permissions needed for their tasks
D. Giving everyone administrator access
Correct Answer: C
Least privilege limits the damage from mistakes or compromised accounts.
CSS - PMS - CCE - PCS - General Science
Cyber Security
Why are security patches important?
A. They make passwords public
B. They disable all encryption
C. They increase phishing success
D. They fix known vulnerabilities and software defects
Correct Answer: D
Applying patches reduces exposure to known exploits.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What is a software vulnerability?
A. A user interface theme
B. A backup copy
C. A weakness that can be exploited to compromise a system
D. A guaranteed feature
Correct Answer: C
Vulnerabilities can arise from coding errors, misconfiguration or design flaws.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What is encryption?
A. Sorting files alphabetically
B. Deleting data permanently
C. Compressing images only
D. Transforming readable data into a protected form using a cryptographic key or algorithm
Correct Answer: D
Encryption helps protect confidentiality from unauthorized readers.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What is a firewall?
A. A physical wall around a computer
B. A type of keyboard
C. A data file only
D. A system that filters network traffic according to security rules
Correct Answer: D
Firewalls enforce traffic policies between networks or hosts.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What does multi-factor authentication improve?
A. Internet speed
B. Screen resolution
C. Disk capacity
D. Account security by requiring more than one type of authentication factor
Correct Answer: D
MFA reduces reliance on a single password by adding another factor such as a token or biometric.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What is ransomware?
A. A search engine
B. Malware that blocks access to systems or data, often by encryption, and demands payment
C. A password manager
D. A firewall rule
Correct Answer: B
Ransomware extorts victims by denying access to data or systems.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What is malware?
A. A database field
B. Malicious software designed to harm, disrupt or gain unauthorized access
C. A secure protocol
D. Any old software
Correct Answer: B
Malware includes viruses, worms, trojans, ransomware and spyware.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What is phishing?
A. A legal software update
B. A fraudulent attempt to trick users into revealing information or taking harmful actions
C. A data backup method
D. A CPU scheduling algorithm
Correct Answer: B
Phishing often impersonates trusted entities through email, messages or websites.
CSS - PMS - CCE - PCS - General Science
Cyber Security
What is cybersecurity?
A. Protection of systems, networks and data from digital attacks and unauthorized access
B. Only software installation
C. Only computer repair
D. Only internet browsing
Correct Answer: A
Cybersecurity covers confidentiality, integrity, availability and resilience of digital systems.