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Which pattern enables gradual rollout of new features to a subset of users?
- Blue-Green
- Canary
- Feature Flags
- All of these
Answer: All of these
Safe deployment patterns enable zero-downtime, low-risk releases.
Smart contracts enable automated execution of agreements when predefined conditions are met.
- Digital Identity
- Smart Contracts
- Tokenization
- Consensus Algorithms
Answer: Smart Contracts
Smart contracts are self-executing programs stored on blockchain that automatically enforce terms.
Green hydrogen is produced via electrolysis using ________ electricity.
- Coal
- Renewable
- Nuclear
- All of these
Answer: Renewable
Green hydrogen uses renewable-powered electrolysis, producing only water as byproduct.
Which chart type is most effective for showing trends over time?
- Line Chart
- Area Chart
- Both A and B
- Bar Chart
Answer: Both A and B
Time series visualization: line charts show trends clearly, area charts emphasize volume. Both effective for temporal data analysis.
Which principle requires collecting only necessary personal information for AI training?
- Lawfulness
- Data Minimization
- Accountability
- All of these
Answer: Data Minimization
Data minimization limits collection to what's necessary for specified purpose. Reduces privacy risks, storage costs, breach impact.
Which pattern enables event-driven communication between microservices using message brokers?
- REST APIs
- gRPC
- Event-Driven Architecture
- Monolithic
Answer: Event-Driven Architecture
Event-driven architecture uses message brokers for asynchronous, decoupled service communication. Enables scalability, resilience, real-time processing.
Which blockchain application enables automated execution of agreements when predefined conditions are met?
- Digital Identity
- Smart Contracts
- Tokenization
- Consensus Algorithms
Answer: Smart Contracts
Smart contracts are self-executing programs stored on blockchain that automatically enforce terms when conditions are satisfied. Used in DeFi, supply chain, insurance.
Which blockchain application enables transparent tracking of products from origin to consumer?
- Digital Voting
- Supply Chain Traceability
- Cryptocurrency Trading
- Decentralized Storage
Answer: Supply Chain Traceability
Blockchain records each transaction/transfer in immutable ledger, enabling end-to-end visibility of product journey. Used for food safety, luxury goods authentication.
Which practice involves intentionally injecting failures to test system resilience?
- Chaos Engineering
- Penetration Testing
- Load Testing
- A/B Testing
Answer: Chaos Engineering
Chaos Engineering (Netflix Chaos Monkey) proactively tests system resilience by injecting failures in controlled experiments. Builds confidence in fault tolerance.
Which pattern isolates external system interactions for testability?
- Adapter
- Facade
- Both A and B
- Neither
Answer: Both A and B
Adapter/ACL patterns wrap external APIs, translating between internal models and external interfaces. Critical for maintainable integrations and testing.
Which database feature enables automatic distribution of data across multiple nodes for scalability?
- Indexing
- Sharding
- Replication
- Caching
Answer: Sharding
Sharding partitions data horizontally across nodes based on key ranges or hashes, enabling horizontal scaling. Critical for handling large datasets in distributed databases.
Which program provides funding and mentorship to early-stage deep tech startups?
- NIDHI-PRAYAS
- Startup India
- Atal Innovation Mission
- All of these
Answer: All of these
NIDHI-PRAYAS (DST) funds prototyping; Startup India offers tax benefits; AIM establishes incubators. Together support innovation from ideation to scale.
Which technology enables immersive virtual experiences through head-mounted displays?
- AR
- VR
- MR
- All of these
Answer: All of these
Immersive tech: VR (fully virtual), AR (overlay on real world), MR (blend virtual/real). Applications: training, education, entertainment, remote collaboration.
Which standard provides guidelines for securing containerized applications and orchestration platforms?
- CIS Kubernetes Benchmark
- NIST SP 800-190
- Both A and B
- Neither
Answer: Both A and B
CIS Benchmarks provide hardening guidelines; NIST SP 800-190 covers container security lifecycle. Critical for cloud-native security.
Which framework provides guidelines for API security and best practices?
- OWASP API Security Top 10
- NIST SP 800-204
- Both A and B
- Neither
Answer: Both A and B
OWASP API Top 10 lists common API vulnerabilities; NIST SP 800-204 provides security guidelines for microservices APIs. Critical for API security design.
Which platform enables verified digital document storage and sharing for citizens?
- DigiLocker
- e-Sign
- Aadhaar
- UMANG
Answer: DigiLocker
DigiLocker enables citizens to store/share government-issued documents digitally. Documents have legal validity under IT Act. Integrates with Aadhaar for authentication.
Which standard provides guidelines for software security testing and vulnerability assessment?
- OWASP ASVS
- ISO 27034
- Both A and B
- Neither
Answer: Both A and B
OWASP Application Security Verification Standard (ASVS) and ISO 27034 provide frameworks for secure software development, testing, and vulnerability management.
Which initiative provides a unified interface for grievance redressal across government departments?
- CPGRAMS
- MyGov
- UMANG
- e-Taal
Answer: CPGRAMS
CPGRAMS (Centralized Public Grievance Redress and Monitoring System) enables online lodging and tracking of grievances against central government ministries/departments.
Which organization develops global web standards like HTML, CSS, and accessibility guidelines?
- W3C
- IETF
- ISO
- IEEE
Answer: W3C
World Wide Web Consortium (W3C) develops web standards ensuring interoperability, accessibility, innovation. India participates through W3C India office.
Which platform enables citizens to access central and state government services via mobile?
- UMANG
- MyGov
- DigiLocker
- e-Taal
Answer: UMANG
UMANG (Unified Mobile Application for New-age Governance) offers 1,200+ services: Aadhaar, PAN, EPFO, utilities, health. Multilingual, voice search, offline access.