[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.

341. Hashing का उपयोग क्या है?

[A] Data integrity verify करना

[B] Game खेलना

[C] Network बंद करना

[D] File delete करना

341. What is the 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 no data change.

342. Social Engineering attack क्या है?

[A] Human manipulation based attack

[B] Hardware failure

[C] Software update

[D] Network speed increase

342. What is Social Engineering attack?

[A] Human manipulation attack

[B] Hardware failure

[C] Software update

[D] Network speed increase

सही उत्तर: Human manipulation based attack

व्याख्या: Attackers humans को trick करते हैं।

Correct Answer: Human manipulation attack

Explanation: It targets human psychology.

343. कौन सा attack user की पहचान को छिपाकर fake identity बनाता है?

[A] IP Spoofing

[B] Encryption

[C] Backup

[D] Patch Update

343. Which attack hides user identity using fake IP?

[A] IP Spoofing

[B] Encryption

[C] Backup

[D] Patch Update

सही उत्तर: IP Spoofing

व्याख्या: IP spoofing में fake IP address use होता है।

Correct Answer: IP Spoofing

Explanation: It hides attacker identity using fake IP.

344. DNS का मुख्य कार्य क्या है?

[A] Domain name को IP address में convert करना

[B] File delete करना

[C] Game चलाना

[D] Data encrypt करना

344. What is the main function of DNS?

[A] Convert domain to IP address

[B] Delete files

[C] Play games

[D] Encrypt data

सही उत्तर: Domain name को IP address में convert करना

व्याख्या: DNS internet navigation में मदद करता है।

Correct Answer: Convert domain to IP address

Explanation: DNS resolves domain names.

345. कौन सा malware खुद को system startup में जोड़ देता है?

[A] Trojan

[B] Firewall

[C] VPN

[D] Router

345. Which malware attaches itself to system startup?

[A] Trojan

[B] Firewall

[C] VPN

[D] Router

सही उत्तर: Trojan

व्याख्या: Trojan startup में hidden रहता है।

Correct Answer: Trojan

Explanation: Trojan hides in system boot process.

346. कौन सा attack network packets को intercept करता है?

[A] Man-in-the-Middle

[B] Firewall

[C] Backup

[D] Patch

346. Which attack intercepts network packets?

[A] Man-in-the-Middle

[B] Firewall

[C] Backup

[D] Patch

सही उत्तर: Man-in-the-Middle

व्याख्या: MITM communication बीच में intercept करता है।

Correct Answer: Man-in-the-Middle

Explanation: MITM captures communication data.

347. Firewall का मुख्य कार्य क्या है?

[A] Unauthorized access को रोकना

[B] Game खेलना

[C] File delete करना

[D] Music चलाना

347. What is the main function of Firewall?

[A] Block unauthorized access

[B] Play games

[C] Delete files

[D] Play music

सही उत्तर: Unauthorized access को रोकना

व्याख्या: Firewall network traffic control करता है।

Correct Answer: Block unauthorized access

Explanation: Firewall filters traffic.

348. VPN का उपयोग क्यों किया जाता है?

[A] Secure connection और privacy के लिए

[B] Game खेलने के लिए

[C] File delete करने के लिए

[D] System crash करने के लिए

348. Why is VPN used?

[A] Secure connection and privacy

[B] Gaming

[C] File deletion

[D] System crash

सही उत्तर: Secure connection और privacy के लिए

व्याख्या: VPN encrypted tunnel बनाता है।

Correct Answer: Secure connection and privacy

Explanation: VPN protects user data.

349. Phishing attack में क्या उपयोग होता है?

[A] Fake emails और websites

[B] Firewall

[C] Antivirus

[D] Hardware

349. What is used in Phishing attack?

[A] Fake emails and websites

[B] Firewall

[C] Antivirus

[D] Hardware

सही उत्तर: Fake emails और websites

व्याख्या: Phishing fake communication use करता है।

Correct Answer: Fake emails and websites

Explanation: It tricks users into giving data.

350. Malware का मुख्य उद्देश्य क्या है?

[A] System को damage करना

[B] System को improve करना

[C] Network speed बढ़ाना

[D] File backup करना

350. What is the main purpose of Malware?

[A] Harm system

[B] Improve system

[C] Increase speed

[D] Backup files

सही उत्तर: System को damage करना

व्याख्या: Malware harmful software होता है।

Correct Answer: Harm system

Explanation: Malware damages systems.