[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.
321. Cyber Security का मुख्य उद्देश्य क्या है?
[A] System और data को सुरक्षित रखना
[B] Game खेलना
[C] File delete करना
[D] Network बंद करना
321. What is the main objective of Cyber Security?
[A] Protect system and data
[B] Play games
[C] Delete files
[D] Stop network
सही उत्तर: System और data को सुरक्षित रखना
व्याख्या: Cyber security protects digital assets।
Correct Answer: Protect system and data
Explanation: It ensures digital protection.
322. Social Engineering attack किस पर आधारित होता है?
[A] Human psychology
[B] Hardware failure
[C] Software update
[D] Network speed
322. Social Engineering attack is based on?
[A] Human psychology
[B] Hardware failure
[C] Software update
[D] Network speed
सही उत्तर: Human psychology
व्याख्या: Social engineering human manipulation पर आधारित होता है।
Correct Answer: Human psychology
Explanation: It exploits human behavior.
323. कौन सा attack user को fake login page पर redirect करता है?
[A] Phishing
[B] Firewall
[C] Encryption
[D] Backup
323. Which attack redirects user to fake login page?
[A] Phishing
[B] Firewall
[C] Encryption
[D] Backup
सही उत्तर: Phishing
व्याख्या: Phishing में fake websites का उपयोग होता है।
Correct Answer: Phishing
Explanation: Phishing uses fake login pages.
324. कौन सा device network security के लिए उपयोग होता है?
[A] Firewall
[B] Scanner
[C] Printer
[D] Monitor
324. Which device is used for network security?
[A] Firewall
[B] Scanner
[C] Printer
[D] Monitor
सही उत्तर: Firewall
व्याख्या: Firewall network traffic को control करता है।
Correct Answer: Firewall
Explanation: Firewall protects network.
325. Hashing का मुख्य उपयोग क्या है?
[A] Data integrity verify करना
[B] Game खेलना
[C] Network बंद करना
[D] File delete करना
325. What is the main use of Hashing?
[A] Verify data integrity
[B] Play games
[C] Stop network
[D] Delete files
सही उत्तर: Data integrity verify करना
व्याख्या: Hashing data change detect करता है।
Correct Answer: Verify data integrity
Explanation: Hashing ensures data integrity.
326. कौन सा protocol email भेजने के लिए उपयोग होता है?
[A] SMTP
[B] HTTP
[C] FTP
[D] DNS
326. Which protocol is used for sending emails?
[A] SMTP
[B] HTTP
[C] FTP
[D] DNS
सही उत्तर: SMTP
व्याख्या: SMTP email transmission के लिए उपयोग होता है।
Correct Answer: SMTP
Explanation: SMTP sends emails.
327. कौन सा attack system resources को exhaust करता है?
[A] DDoS
[B] Phishing
[C] Encryption
[D] Patch
327. Which attack exhausts system resources?
[A] DDoS
[B] Phishing
[C] Encryption
[D] Patch
सही उत्तर: DDoS
व्याख्या: DDoS server को overload करता है।
Correct Answer: DDoS
Explanation: DDoS floods traffic.
328. VPN का मुख्य लाभ क्या है?
[A] Secure connection
[B] Game speed
[C] File delete
[D] System crash
328. What is the main benefit of VPN?
[A] Secure connection
[B] Game speed
[C] Delete files
[D] System crash
सही उत्तर: Secure connection
व्याख्या: VPN data encryption देता है।
Correct Answer: Secure connection
Explanation: VPN protects privacy.
329. Malware का मुख्य उद्देश्य क्या होता है?
[A] System damage करना
[B] System improve करना
[C] Network fast करना
[D] File backup करना
329. What is the main purpose of Malware?
[A] Harm system
[B] Improve system
[C] Increase speed
[D] Backup files
सही उत्तर: System damage करना
व्याख्या: Malware harmful software होता है।
Correct Answer: Harm system
Explanation: Malware damages systems.
330. 2FA का उपयोग क्यों किया जाता है?
[A] Extra security के लिए
[B] Network slow करने के लिए
[C] Game खेलने के लिए
[D] File delete करने के लिए
330. Why is 2FA used?
[A] Extra security
[B] Slow network
[C] Play games
[D] Delete files
सही उत्तर: Extra security के लिए
व्याख्या: 2FA authentication improve करता है।
Correct Answer: Extra security
Explanation: 2FA adds security layer.