[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.
381. Two-Factor Authentication का फायदा क्या है?
[A] Security बढ़ाना
[B] Network slow करना
[C] Game खेलना
[D] File delete करना
381. What is the benefit of Two-Factor Authentication?
[A] Increase security
[B] Slow network
[C] Play games
[D] Delete files
सही उत्तर: Security बढ़ाना
व्याख्या: 2FA extra protection देता है।
Correct Answer: Increase security
Explanation: It adds extra verification layer.
382. Malware का उदाहरण क्या है?
[A] Virus
[B] Firewall
[C] VPN
[D] Router
382. What is an example of Malware?
[A] Virus
[B] Firewall
[C] VPN
[D] Router
सही उत्तर: Virus
व्याख्या: Virus एक malware है।
Correct Answer: Virus
Explanation: Malware includes harmful software.
383. कौन सा attack system की सेवाओं को पूरी तरह बंद कर देता है?
[A] Denial of Service (DoS)
[B] Encryption
[C] Backup
[D] Compression
383. Which attack completely shuts down system services?
[A] Denial of Service (DoS)
[B] Encryption
[C] Backup
[D] Compression
सही उत्तर: Denial of Service (DoS)
व्याख्या: DoS attack system resources खत्म करता है।
Correct Answer: Denial of Service (DoS)
Explanation: DoS makes services unavailable.
384. कौन सा malware system में hidden रहता है और control करता है?
[A] Rootkit
[B] Firewall
[C] VPN
[D] Browser
384. Which malware stays hidden and controls system?
[A] Rootkit
[B] Firewall
[C] VPN
[D] Browser
सही उत्तर: Rootkit
व्याख्या: Rootkit system में छिपकर access देता है।
Correct Answer: Rootkit
Explanation: Rootkits hide deep access.
385. DNS का मुख्य कार्य क्या है?
[A] Domain name को IP में बदलना
[B] File delete करना
[C] Game चलाना
[D] Data encrypt करना
385. What is the main function of DNS?
[A] Convert domain to IP
[B] Delete files
[C] Play games
[D] Encrypt data
सही उत्तर: Domain name को IP में बदलना
व्याख्या: DNS internet navigation में मदद करता है।
Correct Answer: Convert domain to IP
Explanation: DNS resolves addresses.
386. Packet Sniffing का उपयोग क्या है?
[A] Network traffic monitor करना
[B] Game खेलना
[C] File delete करना
[D] System update करना
386. What is Packet Sniffing used for?
[A] Monitor network traffic
[B] Play games
[C] Delete files
[D] Update system
सही उत्तर: Network traffic monitor करना
व्याख्या: Sniffing data capture करता है।
Correct Answer: Monitor network traffic
Explanation: It captures packets.
387. Firewall का कार्य क्या है?
[A] Unauthorized access रोकना
[B] Game चलाना
[C] File delete करना
[D] Music चलाना
387. What is the function of Firewall?
[A] Block unauthorized access
[B] Play games
[C] Delete files
[D] Play music
सही उत्तर: Unauthorized access रोकना
व्याख्या: Firewall traffic filter करता है।
Correct Answer: Block unauthorized access
Explanation: Firewall protects systems.
388. VPN का उपयोग क्यों किया जाता है?
[A] Secure connection के लिए
[B] Game खेलने के लिए
[C] File delete करने के लिए
[D] System crash करने के लिए
388. Why is VPN used?
[A] Secure connection
[B] Gaming
[C] File deletion
[D] System crash
सही उत्तर: Secure connection के लिए
व्याख्या: VPN encryption प्रदान करता है।
Correct Answer: Secure connection
Explanation: VPN hides identity.
389. Phishing attack क्या है?
[A] Fake email से data चोरी
[B] System update
[C] Game play
[D] File backup
389. What is Phishing attack?
[A] Steal data via fake emails
[B] System update
[C] Play games
[D] Backup files
सही उत्तर: Fake email से data चोरी
व्याख्या: Phishing users को trick करता है।
Correct Answer: Steal data via fake emails
Explanation: It uses fake communication.
390. Ransomware क्या करता है?
[A] Data encrypt करके ransom मांगता है
[B] Data delete करता है
[C] System upgrade करता है
[D] Game चलाता है
390. What does Ransomware do?
[A] Encrypt data and demand ransom
[B] Delete data
[C] Upgrade system
[D] Play games
सही उत्तर: Data encrypt करके ransom मांगता है
व्याख्या: Ransomware files lock करता है।
Correct Answer: Encrypt data and demand ransom
Explanation: It locks files.