[ 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.

171. PHP में realpath cache का उद्देश्य क्या है?

[A] Store Sessions

[B] Cache File Paths

[C] Cache SQL Queries

[D] Store Cookies

171. What is the purpose of realpath cache?

[A] Store Sessions

[B] Cache File Paths

[C] Cache SQL Queries

[D] Store Cookies

सही उत्तर: Cache File Paths

व्याख्या: Filesystem lookups कम करता है।

Correct Answer: Cache File Paths

Explanation: Reduces filesystem lookups.

172. Production environment में display_errors सामान्यतः क्या होना चाहिए?

[A] On

[B] Off

[C] Debug

[D] Auto

172. What should display_errors typically be in production?

[A] On

[B] Off

[C] Debug

[D] Auto

सही उत्तर: Off

व्याख्या: Security reasons के लिए errors hide की जाती हैं।

Correct Answer: Off

Explanation: Errors should be hidden for security.

173. PHP performance improve करने का एक प्रभावी तरीका क्या है?

[A] Disable Cache

[B] Enable OPcache

[C] Increase HTML

[D] Disable Sessions

173. Which is an effective way to improve PHP performance?

[A] Disable Cache

[B] Enable OPcache

[C] Increase HTML

[D] Disable Sessions

सही उत्तर: Enable OPcache

व्याख्या: Script execution तेज करता है।

Correct Answer: Enable OPcache

Explanation: Speeds up script execution.

174. High-traffic PHP applications में session storage के लिए कौन-सा विकल्प लोकप्रिय है?

[A] Text File Only

[B] Redis

[C] HTML

[D] CSS

174. Which option is popular for session storage in high-traffic PHP applications?

[A] Text File Only

[B] Redis

[C] HTML

[D] CSS

सही उत्तर: Redis

व्याख्या: Fast centralized session storage प्रदान करता है।

Correct Answer: Redis

Explanation: Provides fast centralized session storage.

175. Encryption और Hashing में मुख्य अंतर क्या है?

[A] कोई अंतर नहीं

[B] Encryption reversible होती है

[C] Hashing reversible होती है

[D] दोनों reversible हैं

175. What is the main difference between Encryption and Hashing?

[A] No difference

[B] Encryption is reversible

[C] Hashing is reversible

[D] Both are reversible

सही उत्तर: Encryption reversible होती है

व्याख्या: Encryption को decrypt किया जा सकता है जबकि hashing one-way होती है।

Correct Answer: Encryption is reversible

Explanation: Encryption can be decrypted while hashing is one-way.

176. PHP में password verify करने के लिए कौन-सा function प्रयोग होता है?

[A] verify_password()

[B] password_verify()

[C] check_password()

[D] validate_password()

176. Which function is used to verify passwords in PHP?

[A] verify_password()

[B] password_verify()

[C] check_password()

[D] validate_password()

सही उत्तर: password_verify()

व्याख्या: Hashed password को verify करता है।

Correct Answer: password_verify()

Explanation: Verifies hashed passwords.

177. SSL का पूरा नाम क्या है?

[A] Secure Socket Layer

[B] System Security Layer

[C] Secure System Login

[D] Server Socket Link

177. What is the full form of SSL?

[A] Secure Socket Layer

[B] System Security Layer

[C] Secure System Login

[D] Server Socket Link

सही उत्तर: Secure Socket Layer

व्याख्या: Secure communication protocol।

Correct Answer: Secure Socket Layer

Explanation: Protocol for secure communication.

178. TLS का पूरा नाम क्या है?

[A] Transport Layer Security

[B] Transfer Layer Security

[C] Trusted Login Security

[D] Transmission Link Service

178. What is the full form of TLS?

[A] Transport Layer Security

[B] Transfer Layer Security

[C] Trusted Login Security

[D] Transmission Link Service

सही उत्तर: Transport Layer Security

व्याख्या: SSL का आधुनिक उत्तराधिकारी।

Correct Answer: Transport Layer Security

Explanation: Modern successor to SSL.

179. HTTPS में data encryption के लिए मुख्यतः क्या प्रयोग होता है?

[A] SSL/TLS

[B] FTP

[C] SMTP

[D] JSON

179. What is mainly used for data encryption in HTTPS?

[A] SSL/TLS

[B] FTP

[C] SMTP

[D] JSON

सही उत्तर: SSL/TLS

व्याख्या: Encrypted communication प्रदान करता है।

Correct Answer: SSL/TLS

Explanation: Provides encrypted communication.

180. Public Key Cryptography में कितनी keys होती हैं?

[A] 1

[B] 2

[C] 3

[D] 4

180. How many keys are used in Public Key Cryptography?

[A] 1

[B] 2

[C] 3

[D] 4

सही उत्तर: 2

व्याख्या: Public Key और Private Key।

Correct Answer: 2

Explanation: Uses a public key and a private key.