QID #26128
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Two-factor authentication?
A
Malware that encrypts or blocks access to data and demands payment
B
Authentication requiring two different categories of evidence
C
Application organized in cells for calculation, analysis and tabular data
D
Malicious software designed to damage, disrupt or gain unauthorized access
Correct Answer: B. Authentication requiring two different categories of evidence
Question: Which statement best explains Two-factor authentication?
A. Malware that encrypts or blocks access to data and demands payment
B. Authentication requiring two different categories of evidence
C. Application organized in cells for calculation, analysis and tabular data
D. Malicious software designed to damage, disrupt or gain unauthorized access
Correct Answer: B. Authentication requiring two different categories of evidence
Explanation: Two-factor authentication: Authentication requiring two different categories of evidence
QID #26127
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Authentication requiring two different categories of evidence
A
Two-factor authentication
B
URL
C
Cloud computing
D
RAM
Correct Answer: A. Two-factor authentication
Question: Which of the following is best described as: Authentication requiring two different categories of evidence
A. Two-factor authentication
B. URL
C. Cloud computing
D. RAM
Correct Answer: A. Two-factor authentication
Explanation: The correct answer is Two-factor authentication. Authentication requiring two different categories of evidence
QID #26126
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Ransomware?
A
Numerical identifier used by devices on an IP network
B
System software managing hardware resources and providing services to applications
C
Malware that encrypts or blocks access to data and demands payment
D
Authentication requiring two different categories of evidence
Correct Answer: C. Malware that encrypts or blocks access to data and demands payment
Question: Which statement best explains Ransomware?
A. Numerical identifier used by devices on an IP network
B. System software managing hardware resources and providing services to applications
C. Malware that encrypts or blocks access to data and demands payment
D. Authentication requiring two different categories of evidence
Correct Answer: C. Malware that encrypts or blocks access to data and demands payment
Explanation: Ransomware: Malware that encrypts or blocks access to data and demands payment
QID #26125
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Malware that encrypts or blocks access to data and demands payment
A
Ransomware
B
Database
C
RAM
D
Cloud computing
Correct Answer: A. Ransomware
Question: Which of the following is best described as: Malware that encrypts or blocks access to data and demands payment
A. Ransomware
B. Database
C. RAM
D. Cloud computing
Correct Answer: A. Ransomware
Explanation: The correct answer is Ransomware. Malware that encrypts or blocks access to data and demands payment
QID #26124
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Phishing?
A
Application used to access and navigate web resources
B
Fraudulent attempt to obtain sensitive information by impersonating a trusted source
C
HTTP secured using encryption through TLS
D
Authentication requiring two different categories of evidence
Correct Answer: B. Fraudulent attempt to obtain sensitive information by impersonating a trusted source
Question: Which statement best explains Phishing?
A. Application used to access and navigate web resources
B. Fraudulent attempt to obtain sensitive information by impersonating a trusted source
C. HTTP secured using encryption through TLS
D. Authentication requiring two different categories of evidence
Correct Answer: B. Fraudulent attempt to obtain sensitive information by impersonating a trusted source
Explanation: Phishing: Fraudulent attempt to obtain sensitive information by impersonating a trusted source
QID #26123
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Fraudulent attempt to obtain sensitive information by impersonating a trusted source
A
Phishing
B
Backup
C
HTTP
D
HTTPS
Correct Answer: A. Phishing
Question: Which of the following is best described as: Fraudulent attempt to obtain sensitive information by impersonating a trusted source
A. Phishing
B. Backup
C. HTTP
D. HTTPS
Correct Answer: A. Phishing
Explanation: The correct answer is Phishing. Fraudulent attempt to obtain sensitive information by impersonating a trusted source
QID #26122
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Malware?
A
Application organized in cells for calculation, analysis and tabular data
B
Security mechanism controlling network traffic according to rules
C
Malicious software designed to damage, disrupt or gain unauthorized access
D
Hypertext Transfer Protocol used for web communication
Correct Answer: C. Malicious software designed to damage, disrupt or gain unauthorized access
Question: Which statement best explains Malware?
A. Application organized in cells for calculation, analysis and tabular data
B. Security mechanism controlling network traffic according to rules
C. Malicious software designed to damage, disrupt or gain unauthorized access
D. Hypertext Transfer Protocol used for web communication
Correct Answer: C. Malicious software designed to damage, disrupt or gain unauthorized access
Explanation: Malware: Malicious software designed to damage, disrupt or gain unauthorized access
QID #26121
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Malicious software designed to damage, disrupt or gain unauthorized access
A
Malware
B
Two-factor authentication
C
Spreadsheet
D
CPU
Correct Answer: A. Malware
Question: Which of the following is best described as: Malicious software designed to damage, disrupt or gain unauthorized access
A. Malware
B. Two-factor authentication
C. Spreadsheet
D. CPU
Correct Answer: A. Malware
Explanation: The correct answer is Malware. Malicious software designed to damage, disrupt or gain unauthorized access
QID #26120
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Firewall?
A
Delivery of computing resources over a network on demand
B
Security mechanism controlling network traffic according to rules
C
Transformation of readable data into coded form to protect confidentiality
D
Non-volatile memory typically storing permanent or semi-permanent instructions
Correct Answer: B. Security mechanism controlling network traffic according to rules
Question: Which statement best explains Firewall?
A. Delivery of computing resources over a network on demand
B. Security mechanism controlling network traffic according to rules
C. Transformation of readable data into coded form to protect confidentiality
D. Non-volatile memory typically storing permanent or semi-permanent instructions
Correct Answer: B. Security mechanism controlling network traffic according to rules
Explanation: Firewall: Security mechanism controlling network traffic according to rules
QID #26119
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Security mechanism controlling network traffic according to rules
A
ROM
B
Phishing
C
Cloud computing
D
Firewall
Correct Answer: D. Firewall
Question: Which of the following is best described as: Security mechanism controlling network traffic according to rules
A. ROM
B. Phishing
C. Cloud computing
D. Firewall
Correct Answer: D. Firewall
Explanation: The correct answer is Firewall. Security mechanism controlling network traffic according to rules
QID #26118
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains DNS?
A
Hypertext Transfer Protocol used for web communication
B
Malicious software designed to damage, disrupt or gain unauthorized access
C
Malware that encrypts or blocks access to data and demands payment
D
Domain Name System translating domain names into IP addresses
Correct Answer: D. Domain Name System translating domain names into IP addresses
Question: Which statement best explains DNS?
A. Hypertext Transfer Protocol used for web communication
B. Malicious software designed to damage, disrupt or gain unauthorized access
C. Malware that encrypts or blocks access to data and demands payment
D. Domain Name System translating domain names into IP addresses
Correct Answer: D. Domain Name System translating domain names into IP addresses
Explanation: DNS: Domain Name System translating domain names into IP addresses
QID #26117
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Domain Name System translating domain names into IP addresses
A
Firewall
B
HTTP
C
DNS
D
Cloud computing
Correct Answer: C. DNS
Question: Which of the following is best described as: Domain Name System translating domain names into IP addresses
A. Firewall
B. HTTP
C. DNS
D. Cloud computing
Correct Answer: C. DNS
Explanation: The correct answer is DNS. Domain Name System translating domain names into IP addresses
QID #26116
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains IP address?
A
HTTP secured using encryption through TLS
B
System software managing hardware resources and providing services to applications
C
Numerical identifier used by devices on an IP network
D
Uniform Resource Locator identifying the address of a web resource
Correct Answer: C. Numerical identifier used by devices on an IP network
Question: Which statement best explains IP address?
A. HTTP secured using encryption through TLS
B. System software managing hardware resources and providing services to applications
C. Numerical identifier used by devices on an IP network
D. Uniform Resource Locator identifying the address of a web resource
Correct Answer: C. Numerical identifier used by devices on an IP network
Explanation: IP address: Numerical identifier used by devices on an IP network
QID #26115
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Numerical identifier used by devices on an IP network
A
IP address
B
Operating system
C
Two-factor authentication
D
URL
Correct Answer: A. IP address
Question: Which of the following is best described as: Numerical identifier used by devices on an IP network
A. IP address
B. Operating system
C. Two-factor authentication
D. URL
Correct Answer: A. IP address
Explanation: The correct answer is IP address. Numerical identifier used by devices on an IP network
QID #26114
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains HTTPS?
A
Malicious software designed to damage, disrupt or gain unauthorized access
B
HTTP secured using encryption through TLS
C
Volatile primary memory used for active programs and data
D
Hypertext Transfer Protocol used for web communication
Correct Answer: B. HTTP secured using encryption through TLS
Question: Which statement best explains HTTPS?
A. Malicious software designed to damage, disrupt or gain unauthorized access
B. HTTP secured using encryption through TLS
C. Volatile primary memory used for active programs and data
D. Hypertext Transfer Protocol used for web communication
Correct Answer: B. HTTP secured using encryption through TLS
Explanation: HTTPS: HTTP secured using encryption through TLS
QID #26113
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: HTTP secured using encryption through TLS
A
Malware
B
HTTP
C
HTTPS
D
Browser
Correct Answer: C. HTTPS
Question: Which of the following is best described as: HTTP secured using encryption through TLS
A. Malware
B. HTTP
C. HTTPS
D. Browser
Correct Answer: C. HTTPS
Explanation: The correct answer is HTTPS. HTTP secured using encryption through TLS
QID #26112
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains HTTP?
A
Non-volatile memory typically storing permanent or semi-permanent instructions
B
Application organized in cells for calculation, analysis and tabular data
C
Application used to access and navigate web resources
D
Hypertext Transfer Protocol used for web communication
Correct Answer: D. Hypertext Transfer Protocol used for web communication
Question: Which statement best explains HTTP?
A. Non-volatile memory typically storing permanent or semi-permanent instructions
B. Application organized in cells for calculation, analysis and tabular data
C. Application used to access and navigate web resources
D. Hypertext Transfer Protocol used for web communication
Correct Answer: D. Hypertext Transfer Protocol used for web communication
Explanation: HTTP: Hypertext Transfer Protocol used for web communication
QID #26111
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Hypertext Transfer Protocol used for web communication
A
ROM
B
Ransomware
C
HTTP
D
HTTPS
Correct Answer: C. HTTP
Question: Which of the following is best described as: Hypertext Transfer Protocol used for web communication
A. ROM
B. Ransomware
C. HTTP
D. HTTPS
Correct Answer: C. HTTP
Explanation: The correct answer is HTTP. Hypertext Transfer Protocol used for web communication
QID #26110
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains URL?
A
Central processing unit that executes instructions
B
Separate copy of data maintained for recovery
C
Uniform Resource Locator identifying the address of a web resource
D
Volatile primary memory used for active programs and data
Correct Answer: C. Uniform Resource Locator identifying the address of a web resource
Question: Which statement best explains URL?
A. Central processing unit that executes instructions
B. Separate copy of data maintained for recovery
C. Uniform Resource Locator identifying the address of a web resource
D. Volatile primary memory used for active programs and data
Correct Answer: C. Uniform Resource Locator identifying the address of a web resource
Explanation: URL: Uniform Resource Locator identifying the address of a web resource
QID #26109
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which of the following is best described as: Uniform Resource Locator identifying the address of a web resource
A
URL
B
HTTPS
C
Encryption
D
Phishing
Correct Answer: A. URL
Question: Which of the following is best described as: Uniform Resource Locator identifying the address of a web resource
A. URL
B. HTTPS
C. Encryption
D. Phishing
Correct Answer: A. URL
Explanation: The correct answer is URL. Uniform Resource Locator identifying the address of a web resource
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