[Cyber Security MCQS ]

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

[ Cyber Security MCQS ]

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

471. IP Address का मुख्य कार्य क्या है?

[A] Network में device locate करना

[B] Game चलाना

[C] File delete करना

[D] Data encrypt करना

471. What is the main function of IP Address?

[A] Locate device in network

[B] Play games

[C] Delete files

[D] Encrypt data

सही उत्तर: Network में device locate करना

व्याख्या: IP address network identification देता है।

Correct Answer: Locate device

Explanation: It identifies devices online.

472. Antivirus software का मुख्य कार्य क्या है?

[A] Malware detect और remove करना

[B] Game चलाना

[C] Network slow करना

[D] File compress करना

472. What is the main function of Antivirus software?

[A] Detect and remove malware

[B] Play games

[C] Slow network

[D] Compress files

सही उत्तर: Malware detect और remove करना

व्याख्या: Antivirus system protection देता है।

Correct Answer: Detect and remove malware

Explanation: It protects system from viruses.

473. कौन सा attack user को धोखा देकर sensitive information प्राप्त करता है?

[A] Social Engineering Attack

[B] Backup Attack

[C] Compression Attack

[D] Formatting Attack

473. Which attack tricks users to get sensitive information?

[A] Social Engineering Attack

[B] Backup Attack

[C] Compression Attack

[D] Formatting Attack

सही उत्तर: Social Engineering Attack

व्याख्या: यह human manipulation पर आधारित होता है।

Correct Answer: Social Engineering Attack

Explanation: It exploits human psychology.

474. HTTPS किसका secure version है?

[A] HTTP

[B] FTP

[C] SMTP

[D] DNS

474. HTTPS is secure version of which protocol?

[A] HTTP

[B] FTP

[C] SMTP

[D] DNS

सही उत्तर: HTTP

व्याख्या: HTTPS secure communication के लिए HTTP का encrypted version है।

Correct Answer: HTTP

Explanation: It uses encryption for web security.

475. Certificate Authority (CA) का मुख्य कार्य क्या है?

[A] Digital certificates issue करना

[B] Game चलाना

[C] File delete करना

[D] Network slow करना

475. What is the function of Certificate Authority?

[A] Issue digital certificates

[B] Play games

[C] Delete files

[D] Slow network

सही उत्तर: Digital certificates issue करना

व्याख्या: CA identity verify करता है।

Correct Answer: Issue digital certificates

Explanation: It verifies identity online.

476. Spyware का मुख्य उद्देश्य क्या है?

[A] User activity monitor करना

[B] System upgrade करना

[C] Game चलाना

[D] Network बढ़ाना

476. What is the main purpose of Spyware?

[A] Monitor user activity

[B] Upgrade system

[C] Play games

[D] Increase network

सही उत्तर: User activity monitor करना

व्याख्या: Spyware secretly data collect करता है।

Correct Answer: Monitor user activity

Explanation: It tracks user behavior.

477. Keylogger का उपयोग क्या है?

[A] Keystrokes record करना

[B] File delete करना

[C] Game खेलना

[D] Network boost करना

477. What is the use of Keylogger?

[A] Record keystrokes

[B] Delete files

[C] Play games

[D] Boost network

सही उत्तर: Keystrokes record करना

व्याख्या: Keylogger keyboard input capture करता है।

Correct Answer: Record keystrokes

Explanation: It captures typed data.

478. Botnet क्या होता है?

[A] Infected computers का network

[B] Secure network

[C] Antivirus tool

[D] Firewall device

478. What is a Botnet?

[A] Network of infected computers

[B] Secure network

[C] Antivirus tool

[D] Firewall device

सही उत्तर: Infected computers का network

व्याख्या: Botnet remotely controlled systems का group होता है।

Correct Answer: Network of infected computers

Explanation: It is controlled by attacker.

479. Zero-Day Attack क्या है?

[A] Unknown vulnerability exploit करना

[B] System update करना

[C] File backup करना

[D] Game चलाना

479. What is Zero-Day Attack?

[A] Exploit unknown vulnerability

[B] System update

[C] Backup files

[D] Play games

सही उत्तर: Unknown vulnerability exploit करना

व्याख्या: Zero-day attack unknown flaw use करता है।

Correct Answer: Exploit unknown vulnerability

Explanation: It targets unpatched systems.

480. Malware removal के लिए कौन सा tool उपयोग होता है?

[A] Antivirus Software

[B] Browser

[C] Compiler

[D] Router

480. Which tool removes malware?

[A] Antivirus Software

[B] Browser

[C] Compiler

[D] Router

सही उत्तर: Antivirus Software

व्याख्या: Antivirus malware detect करता है।

Correct Answer: Antivirus Software

Explanation: It removes viruses.