[ PHP Programming MCQS ]

झारखंड में आयोजित होने वाली JPSC, JSSC, JET, झारखंड पुलिस भर्ती परीक्षा आदि के लिए उपयोगी सामान्य अध्ययन।

[ PHP Programming MCQS ]

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

511. Serverless Architecture का मुख्य लाभ क्या है?

[A] No Server Management

[B] More Hardware Required

[C] Manual Scaling

[D] Fixed Capacity

511. What is the main benefit of Serverless Architecture?

[A] No Server Management

[B] More Hardware Required

[C] Manual Scaling

[D] Fixed Capacity

सही उत्तर: No Server Management

व्याख्या: Infrastructure management cloud provider संभालता है।

Correct Answer: No Server Management

Explanation: Cloud provider manages infrastructure.

512. AWS CloudFront क्या है?

[A] CDN Service

[B] Database

[C] Queue Manager

[D] Authentication Tool

512. What is AWS CloudFront?

[A] CDN Service

[B] Database

[C] Queue Manager

[D] Authentication Tool

सही उत्तर: CDN Service

व्याख्या: Global content delivery network।

Correct Answer: CDN Service

Explanation: Global content delivery network.

513. Distributed System में Fault Tolerance का अर्थ क्या है?

[A] Failures के बावजूद काम करना

[B] More Downtime

[C] Data Deletion

[D] No Backups

513. What does Fault Tolerance mean in Distributed Systems?

[A] Continue working despite failures

[B] More downtime

[C] Data deletion

[D] No backups

सही उत्तर: Failures के बावजूद काम करना

व्याख्या: System failure होने पर भी service जारी रहती है।

Correct Answer: Continue working despite failures

Explanation: Service continues even after failures.

514. Replication का मुख्य उद्देश्य क्या है?

[A] High Availability

[B] Reduce Security

[C] Increase Latency

[D] Delete Data

514. What is the purpose of Replication?

[A] High Availability

[B] Reduce Security

[C] Increase Latency

[D] Delete Data

सही उत्तर: High Availability

व्याख्या: Data multiple locations पर copy किया जाता है।

Correct Answer: High Availability

Explanation: Copies data across multiple locations.

515. Blue-Green Deployment का लाभ क्या है?

[A] Safe Release and Rollback

[B] More Downtime

[C] More Bugs

[D] No Testing

515. What is the benefit of Blue-Green Deployment?

[A] Safe Release and Rollback

[B] More Downtime

[C] More Bugs

[D] No Testing

सही उत्तर: Safe Release and Rollback

व्याख्या: Deployment risk कम करता है।

Correct Answer: Safe Release and Rollback

Explanation: Reduces deployment risk.

516. Canary Deployment क्या है?

[A] Gradual Release Strategy

[B] Database Strategy

[C] Backup Strategy

[D] Caching Strategy

516. What is Canary Deployment?

[A] Gradual Release Strategy

[B] Database Strategy

[C] Backup Strategy

[D] Caching Strategy

सही उत्तर: Gradual Release Strategy

व्याख्या: नई version को धीरे-धीरे users तक पहुँचाना।

Correct Answer: Gradual Release Strategy

Explanation: Gradually releases a new version to users.

517. Monitoring Tool का उदाहरण कौन-सा है?

[A] Prometheus

[B] Composer

[C] Blade

[D] PDO

517. Which is an example of a monitoring tool?

[A] Prometheus

[B] Composer

[C] Blade

[D] PDO

सही उत्तर: Prometheus

व्याख्या: Metrics monitoring के लिए लोकप्रिय tool।

Correct Answer: Prometheus

Explanation: Popular tool for metrics monitoring.

518. Centralized Logging के लिए कौन-सा stack लोकप्रिय है?

[A] ELK Stack

[B] LAMP Stack

[C] WAMP Stack

[D] XAMPP

518. Which stack is popular for centralized logging?

[A] ELK Stack

[B] LAMP Stack

[C] WAMP Stack

[D] XAMPP

सही उत्तर: ELK Stack

व्याख्या: Elasticsearch, Logstash, Kibana।

Correct Answer: ELK Stack

Explanation: Elasticsearch, Logstash, Kibana.

519. Observability के तीन मुख्य pillars कौन-से हैं?

[A] Logs, Metrics, Traces

[B] CPU, RAM, Disk

[C] PHP, MySQL, Apache

[D] HTML, CSS, JS

519. What are the three pillars of Observability?

[A] Logs, Metrics, Traces

[B] CPU, RAM, Disk

[C] PHP, MySQL, Apache

[D] HTML, CSS, JS

सही उत्तर: Logs, Metrics, Traces

व्याख्या: Modern monitoring और troubleshooting का आधार।

Correct Answer: Logs, Metrics, Traces

Explanation: Foundation of modern monitoring.

520. Enterprise PHP Application में सबसे महत्वपूर्ण non-functional requirement कौन-सी है?

[A] Scalability

[B] Font Size

[C] Button Color

[D] Theme Selection

520. Which is the most important non-functional requirement in Enterprise PHP applications?

[A] Scalability

[B] Font Size

[C] Button Color

[D] Theme Selection

सही उत्तर: Scalability

व्याख्या: Large-scale systems में scalability अत्यंत महत्वपूर्ण होती है।

Correct Answer: Scalability

Explanation: Critical for large-scale systems.