COMPTIA SECURITY+ PRACTICE EXAM LATEST 2026
UPDATE 100 QUESTIONS AND DETAILED VERIFIED
ANSWERS FROM ACTUAL EXAMS TEST GRADE A+
Q1
Which of the following BEST describes the principle of least privilege?
A. Users have admin access to all systems
B. Users are given only the access needed to perform their job
C. Users share accounts for efficiency
D. Access is granted based on seniority
Answer: B
Rationale: Least privilege ensures users only receive the minimum level of access
required to perform their duties, reducing attack surface.
Q2
Which attack involves overwhelming a system with traffic from multiple sources?
A. Phishing
B. Brute force
C. DDoS
D. Spoofing
Answer: C
Rationale: A Distributed Denial of Service (DDoS) attack uses multiple systems to
flood a target with traffic.
Q3
,What is the primary purpose of a firewall?
A. Encrypt data
B. Scan for malware
C. Filter network traffic based on rules
D. Store authentication logs
Answer: C
Rationale: Firewalls enforce network security policies by allowing or blocking
traffic based on defined rules.
Q4
Which authentication factor is something you are?
A. Password
B. Smart card
C. Fingerprint
D. PIN
Answer: C
Rationale: Biometrics such as fingerprints are “something you are.”
Q5
What type of malware encrypts files and demands payment?
A. Worm
B. Trojan
C. Ransomware
D. Adware
Answer: C
Rationale: Ransomware encrypts data and demands payment for decryption.
,Q6
Which protocol is used to securely browse websites?
A. HTTP
B. FTP
C. HTTPS
D. SNMP
Answer: C
Rationale: HTTPS uses TLS encryption to secure web traffic.
Q7
What is the purpose of multi-factor authentication?
A. Increase password complexity
B. Require multiple forms of identity verification
C. Eliminate usernames
D. Replace encryption
Answer: B
Rationale: MFA requires two or more authentication factors to verify identity.
Q8
Which attack involves tricking users into clicking malicious links via email?
A. Phishing
B. DDoS
C. SQL injection
D. Spoofing
Answer: A
Rationale: Phishing uses deceptive emails to steal credentials or data.
, Q9
What does VPN primarily provide?
A. Faster internet
B. Secure encrypted tunnel over public networks
C. Malware protection
D. DNS resolution
Answer: B
Rationale: VPNs encrypt traffic between client and network over public
infrastructure.
Q10
Which security control is preventive?
A. Log monitoring
B. Firewall rules
C. Incident report
D. Audit logs
Answer: B
Rationale: Firewalls prevent unauthorized access before it occurs.
Q11
What is social engineering?
A. Hacking encryption algorithms
B. Manipulating people into revealing information
C. Installing antivirus software
D. Scanning ports
Answer: B
Rationale: Social engineering exploits human behavior rather than technical flaws.
UPDATE 100 QUESTIONS AND DETAILED VERIFIED
ANSWERS FROM ACTUAL EXAMS TEST GRADE A+
Q1
Which of the following BEST describes the principle of least privilege?
A. Users have admin access to all systems
B. Users are given only the access needed to perform their job
C. Users share accounts for efficiency
D. Access is granted based on seniority
Answer: B
Rationale: Least privilege ensures users only receive the minimum level of access
required to perform their duties, reducing attack surface.
Q2
Which attack involves overwhelming a system with traffic from multiple sources?
A. Phishing
B. Brute force
C. DDoS
D. Spoofing
Answer: C
Rationale: A Distributed Denial of Service (DDoS) attack uses multiple systems to
flood a target with traffic.
Q3
,What is the primary purpose of a firewall?
A. Encrypt data
B. Scan for malware
C. Filter network traffic based on rules
D. Store authentication logs
Answer: C
Rationale: Firewalls enforce network security policies by allowing or blocking
traffic based on defined rules.
Q4
Which authentication factor is something you are?
A. Password
B. Smart card
C. Fingerprint
D. PIN
Answer: C
Rationale: Biometrics such as fingerprints are “something you are.”
Q5
What type of malware encrypts files and demands payment?
A. Worm
B. Trojan
C. Ransomware
D. Adware
Answer: C
Rationale: Ransomware encrypts data and demands payment for decryption.
,Q6
Which protocol is used to securely browse websites?
A. HTTP
B. FTP
C. HTTPS
D. SNMP
Answer: C
Rationale: HTTPS uses TLS encryption to secure web traffic.
Q7
What is the purpose of multi-factor authentication?
A. Increase password complexity
B. Require multiple forms of identity verification
C. Eliminate usernames
D. Replace encryption
Answer: B
Rationale: MFA requires two or more authentication factors to verify identity.
Q8
Which attack involves tricking users into clicking malicious links via email?
A. Phishing
B. DDoS
C. SQL injection
D. Spoofing
Answer: A
Rationale: Phishing uses deceptive emails to steal credentials or data.
, Q9
What does VPN primarily provide?
A. Faster internet
B. Secure encrypted tunnel over public networks
C. Malware protection
D. DNS resolution
Answer: B
Rationale: VPNs encrypt traffic between client and network over public
infrastructure.
Q10
Which security control is preventive?
A. Log monitoring
B. Firewall rules
C. Incident report
D. Audit logs
Answer: B
Rationale: Firewalls prevent unauthorized access before it occurs.
Q11
What is social engineering?
A. Hacking encryption algorithms
B. Manipulating people into revealing information
C. Installing antivirus software
D. Scanning ports
Answer: B
Rationale: Social engineering exploits human behavior rather than technical flaws.
