13 Decoded APFC Sections120 Question Blueprint
Grammar Mechanics3 subtopics
Vocabulary & Contextual Usage2 subtopics
Structure & Reading Comprehension2 subtopics
Industrial Relations & Trade Unions2 subtopics
New Labour Codes & Wages Legislation1 subtopics
EPFO Organisation & Statutory Schemes1 subtopics
Code on Social Security 2020 & Gig Workers1 subtopics
Basic Knowledge of Computer Application
Networking Protocols & Cybersecurity
IPv4 vs IPv6, HTTPS, Public Key Infrastructure (PKI), Digital Signatures, Phishing, and Malware.
Target: EPFO APFC 2026•Topic-Level RAG Context Active•Model: Nemotron 3.5 Lightning 30B / 120B
Topic Overview
IPv4 vs IPv6, HTTPS, Public Key Infrastructure (PKI), Digital Signatures, Phishing, and Malware.
Key Syllabus Concepts
- TCP/IP & OSI Model Layers (Application, Transport, Network, Data Link, Physical)
- Protocols: HTTP/HTTPS, FTP, SMTP, POP3/IMAP, DNS, DHCP
- Asymmetric Cryptography: Public Key (Encryption) & Private Key (Decryption/Digital Signature)
- Cyber Threats: Phishing, Ransomware, Trojan, Man-in-the-Middle (MitM), Zero-Day Exploit
- Information Technology Act, 2000 (Section 66, Section 43A) & CERT-In guidelines
High-Yield Important Points & Rules
- 💡 Digital signatures provide Non-Repudiation, Authenticity, and Integrity using the sender's Private Key.
- 💡 IPv4 uses 32-bit addresses whereas IPv6 uses 128-bit addresses.
Historical UPSC EPFO PYQ Relevance
2 Matched PYQs2025•EPFO APFC•General Ability Test• Q.61
Full QuestionWhich one among the following correctly stands for SSL encryption with regard to banking websites?
2023•EPFO APFC•General Studies• Q.82
Full Question82. Which one of the following is not
a correct IP address?
(a) 201.54.122.107
{b)
102.45.221.710
(c)
102.45.201.22
(d) 250.234.123.124
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