[ DOT NET Programming MCQS ]

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[ DOT NET Programming MCQS ]

Useful GK for JPSC, JSSC, JET, Jharkhand Police and other exams.

251. Event-driven system में publisher क्या होता है?

[A] Event generate करने वाला

[B] Event consume करने वाला

[C] Database

[D] UI

251. What is publisher?

[A] Event generator

[B] Consumer

[C] DB

[D] UI

सही उत्तर: Event generate करने वाला

व्याख्या: Events trigger करता है।

Correct Answer: Event source

Explanation: Generates events.

252. Event-driven system में subscriber क्या होता है?

[A] Event receive करने वाला

[B] Event create करने वाला

[C] Database

[D] UI

252. What is subscriber?

[A] Event receiver

[B] Event creator

[C] DB

[D] UI

सही उत्तर: Event receive करने वाला

व्याख्या: Events listen करता है।

Correct Answer: Listener

Explanation: Consumes events.

253. Caching strategy का main goal क्या होता है?

[A] Response speed increase करना

[B] Database delete

[C] UI change

[D] File upload

253. Goal of caching strategy?

[A] Increase speed

[B] Delete DB

[C] UI change

[D] Upload file

सही उत्तर: Response speed increase करना

व्याख्या: Repeated queries fast होती हैं।

Correct Answer: Speed optimization

Explanation: Reduces DB load.

254. Cache stampede problem क्या होती है?

[A] Multiple requests DB hit करना

[B] UI bug

[C] File issue

[D] Code error

254. What is cache stampede?

[A] DB overload

[B] UI bug

[C] File issue

[D] Code error

सही उत्तर: Multiple requests DB hit करना

व्याख्या: Cache expire होने पर overload होता है।

Correct Answer: Cache miss storm

Explanation: Too many DB calls.

255. API gateway rate limiting क्यों जरूरी है?

[A] System protect करने के लिए

[B] UI design

[C] File upload

[D] Code reduce

255. Why rate limiting needed?

[A] System protection

[B] UI design

[C] Upload file

[D] Code reduce

सही उत्तर: System protect करने के लिए

व्याख्या: Abuse और overload रोकता है।

Correct Answer: Prevents abuse

Explanation: Controls traffic.

256. Zero downtime deployment क्या होता है?

[A] System without downtime update करना

[B] UI change

[C] File upload

[D] Database delete

256. What is zero downtime deployment?

[A] No downtime update

[B] UI change

[C] Upload file

[D] Delete DB

सही उत्तर: System without downtime update करना

व्याख्या: Live system update होता है।

Correct Answer: Live deployment

Explanation: Continuous availability.

257. Blue-Green deployment क्या है?

[A] Two identical environments switching

[B] Single environment

[C] UI design

[D] File upload

257. What is blue-green deployment?

[A] Two environments

[B] Single env

[C] UI

[D] Upload file

सही उत्तर: Two identical environments switching

व्याख्या: Safe deployment strategy है।

Correct Answer: Deployment strategy

Explanation: Safe release method.

258. Canary deployment क्या है?

[A] Gradual release to users

[B] Full release

[C] UI change

[D] File upload

258. What is canary deployment?

[A] Gradual rollout

[B] Full release

[C] UI

[D] Upload

सही उत्तर: Gradual release to users

व्याख्या: Risk reduce करता है deployment में।

Correct Answer: Controlled release

Explanation: Minimizes risk.

259. Observability vs Monitoring में difference क्या है?

[A] Observability deeper insight देता है

[B] Both same

[C] Only UI

[D] Only DB

259. Difference between observability and monitoring?

[A] Deeper insight

[B] Same

[C] UI only

[D] DB only

सही उत्तर: Observability deeper insight देता है

व्याख्या: System behavior समझने में मदद करता है।

Correct Answer: System insight

Explanation: Advanced diagnostics.

260. Distributed transaction का challenge क्या है?

[A] Consistency maintain करना

[B] UI design

[C] File upload

[D] Code compile

260. Challenge in distributed transaction?

[A] Consistency

[B] UI design

[C] Upload file

[D] Compile code

सही उत्तर: Consistency maintain करना

व्याख्या: Multiple systems sync करना difficult होता है।

Correct Answer: Data sync issue

Explanation: Hard to maintain.