[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.

431. Malware का उदाहरण क्या है?

[A] Trojan Horse

[B] Firewall

[C] VPN

[D] Router

431. What is an example of Malware?

[A] Trojan Horse

[B] Firewall

[C] VPN

[D] Router

सही उत्तर: Trojan Horse

व्याख्या: Trojan एक malware है।

Correct Answer: Trojan Horse

Explanation: Malware includes harmful software.

432. Cyber Security का मुख्य उद्देश्य क्या है?

[A] System और data की सुरक्षा

[B] Game खेलना

[C] File delete करना

[D] Network बंद करना

432. 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 की सुरक्षा

व्याख्या: Cyber security protection देता है।

Correct Answer: Protect system and data

Explanation: It ensures digital safety.

433. कौन सा attack system को fake requests से overload करता है?

[A] DDoS Attack

[B] Encryption

[C] Backup

[D] Compression

433. Which attack overloads system with fake requests?

[A] DDoS Attack

[B] Encryption

[C] Backup

[D] Compression

सही उत्तर: DDoS Attack

व्याख्या: DDoS attack server को down कर देता है।

Correct Answer: DDoS Attack

Explanation: It floods system with traffic.

434. Rootkit का मुख्य उद्देश्य क्या है?

[A] System में hidden access बनाना

[B] File delete करना

[C] Game चलाना

[D] Network improve करना

434. What is the main purpose of Rootkit?

[A] Hidden system access

[B] Delete files

[C] Play games

[D] Improve network

सही उत्तर: System में hidden access बनाना

व्याख्या: Rootkit attacker को stealth access देता है।

Correct Answer: Hidden system access

Explanation: It hides attacker presence.

435. DNS का कार्य क्या है?

[A] Domain name को IP address में बदलना

[B] File delete करना

[C] Game खेलना

[D] Data encrypt करना

435. What is the function of DNS?

[A] Convert domain to IP

[B] Delete files

[C] Play games

[D] Encrypt data

सही उत्तर: Domain name को IP address में बदलना

व्याख्या: DNS internet mapping करता है।

Correct Answer: Convert domain to IP

Explanation: DNS resolves domains.

436. Packet Sniffing क्या करता है?

[A] Network packets capture करता है

[B] Game खेलता है

[C] File delete करता है

[D] System update करता है

436. What does Packet Sniffing do?

[A] Captures network packets

[B] Plays games

[C] Deletes files

[D] Updates system

सही उत्तर: Network packets capture करता है

व्याख्या: Sniffing traffic monitor करता है।

Correct Answer: Captures network packets

Explanation: It monitors traffic.

437. Firewall का कार्य क्या है?

[A] Unauthorized access रोकना

[B] Game खेलना

[C] File delete करना

[D] Music चलाना

437. 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 control करता है।

Correct Answer: Block unauthorized access

Explanation: Firewall protects network.

438. 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

438. Why is VPN used?

[A] Secure connection

[B] Gaming

[C] File deletion

[D] System crash

सही उत्तर: Secure connection के लिए

व्याख्या: VPN encrypted tunnel बनाता है।

Correct Answer: Secure connection

Explanation: VPN hides identity.

439. Phishing attack क्या है?

[A] Fake email से data चोरी करना

[B] System update करना

[C] Game खेलना

[D] File backup करना

439. 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 करना

व्याख्या: Phishing fake links use करता है।

Correct Answer: Steal data via fake emails

Explanation: It tricks users.

440. Ransomware attack में क्या होता है?

[A] Data encrypt करके ransom मांगा जाता है

[B] Data delete होता है

[C] System upgrade होता है

[D] Game चलता है

440. What happens in Ransomware attack?

[A] Data encrypted and ransom demanded

[B] Data deleted

[C] System upgraded

[D] Game runs

सही उत्तर: Data encrypt करके ransom मांगा जाता है

व्याख्या: Ransomware files lock करता है।

Correct Answer: Data encrypted and ransom demanded

Explanation: It locks files.