QID #26138
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Encryption?
A
Transformation of readable data into coded form to protect confidentiality
B
Central processing unit that executes instructions
C
System software managing hardware resources and providing services to applications
D
Authentication requiring two different categories of evidence
Correct Answer: A. Transformation of readable data into coded form to protect confidentiality
Question: Which statement best explains Encryption?
A. Transformation of readable data into coded form to protect confidentiality
B. Central processing unit that executes instructions
C. System software managing hardware resources and providing services to applications
D. Authentication requiring two different categories of evidence
Correct Answer: A. Transformation of readable data into coded form to protect confidentiality
Explanation: Encryption: Transformation of readable data into coded form to protect confidentiality
QID #26137
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: Transformation of readable data into coded form to protect confidentiality
A
Encryption
B
ROM
C
Phishing
D
Firewall
Correct Answer: A. Encryption
Question: Which of the following is best described as: Transformation of readable data into coded form to protect confidentiality
A. Encryption
B. ROM
C. Phishing
D. Firewall
Correct Answer: A. Encryption
Explanation: The correct answer is Encryption. Transformation of readable data into coded form to protect confidentiality
QID #26136
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Backup?
A
Fraudulent attempt to obtain sensitive information by impersonating a trusted source
B
Separate copy of data maintained for recovery
C
System software managing hardware resources and providing services to applications
D
Malware that encrypts or blocks access to data and demands payment
Correct Answer: B. Separate copy of data maintained for recovery
Question: Which statement best explains Backup?
A. Fraudulent attempt to obtain sensitive information by impersonating a trusted source
B. Separate copy of data maintained for recovery
C. System software managing hardware resources and providing services to applications
D. Malware that encrypts or blocks access to data and demands payment
Correct Answer: B. Separate copy of data maintained for recovery
Explanation: Backup: Separate copy of data maintained for recovery
QID #26135
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: Separate copy of data maintained for recovery
A
Backup
B
Browser
C
Two-factor authentication
D
HTTPS
Correct Answer: A. Backup
Question: Which of the following is best described as: Separate copy of data maintained for recovery
A. Backup
B. Browser
C. Two-factor authentication
D. HTTPS
Correct Answer: A. Backup
Explanation: The correct answer is Backup. Separate copy of data maintained for recovery
QID #26134
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Cloud computing?
A
Hypertext Transfer Protocol used for web communication
B
Domain Name System translating domain names into IP addresses
C
Delivery of computing resources over a network on demand
D
System software managing hardware resources and providing services to applications
Correct Answer: C. Delivery of computing resources over a network on demand
Question: Which statement best explains Cloud computing?
A. Hypertext Transfer Protocol used for web communication
B. Domain Name System translating domain names into IP addresses
C. Delivery of computing resources over a network on demand
D. System software managing hardware resources and providing services to applications
Correct Answer: C. Delivery of computing resources over a network on demand
Explanation: Cloud computing: Delivery of computing resources over a network on demand
QID #26133
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: Delivery of computing resources over a network on demand
A
ROM
B
Cloud computing
C
IP address
D
Firewall
Correct Answer: B. Cloud computing
Question: Which of the following is best described as: Delivery of computing resources over a network on demand
A. ROM
B. Cloud computing
C. IP address
D. Firewall
Correct Answer: B. Cloud computing
Explanation: The correct answer is Cloud computing. Delivery of computing resources over a network on demand
QID #26132
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Database?
A
Non-volatile memory typically storing permanent or semi-permanent instructions
B
Structured collection of data designed for efficient storage and retrieval
C
Numerical identifier used by devices on an IP network
D
Transformation of readable data into coded form to protect confidentiality
Correct Answer: B. Structured collection of data designed for efficient storage and retrieval
Question: Which statement best explains Database?
A. Non-volatile memory typically storing permanent or semi-permanent instructions
B. Structured collection of data designed for efficient storage and retrieval
C. Numerical identifier used by devices on an IP network
D. Transformation of readable data into coded form to protect confidentiality
Correct Answer: B. Structured collection of data designed for efficient storage and retrieval
Explanation: Database: Structured collection of data designed for efficient storage and retrieval
QID #26131
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: Structured collection of data designed for efficient storage and retrieval
A
Ransomware
B
Database
C
Browser
D
Encryption
Correct Answer: B. Database
Question: Which of the following is best described as: Structured collection of data designed for efficient storage and retrieval
A. Ransomware
B. Database
C. Browser
D. Encryption
Correct Answer: B. Database
Explanation: The correct answer is Database. Structured collection of data designed for efficient storage and retrieval
QID #26130
UPSC UPSC EPFO APFC 2026 Mock Test Series UPSC EPFO APFC Computer Applications Sectional Test 2026 Medium
Which statement best explains Spreadsheet?
A
Non-volatile memory typically storing permanent or semi-permanent instructions
B
Structured collection of data designed for efficient storage and retrieval
C
Application organized in cells for calculation, analysis and tabular data
D
Application used to access and navigate web resources
Correct Answer: C. Application organized in cells for calculation, analysis and tabular data
Question: Which statement best explains Spreadsheet?
A. Non-volatile memory typically storing permanent or semi-permanent instructions
B. Structured collection of data designed for efficient storage and retrieval
C. Application organized in cells for calculation, analysis and tabular data
D. Application used to access and navigate web resources
Correct Answer: C. Application organized in cells for calculation, analysis and tabular data
Explanation: Spreadsheet: Application organized in cells for calculation, analysis and tabular data
QID #26129
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: Application organized in cells for calculation, analysis and tabular data
A
Cloud computing
B
Firewall
C
DNS
D
Spreadsheet
Correct Answer: D. Spreadsheet
Question: Which of the following is best described as: Application organized in cells for calculation, analysis and tabular data
A. Cloud computing
B. Firewall
C. DNS
D. Spreadsheet
Correct Answer: D. Spreadsheet
Explanation: The correct answer is Spreadsheet. Application organized in cells for calculation, analysis and tabular data
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
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