[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.
301. 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] Network बंद करने के लिए
301. Why is VPN used?
[A] For secure connection and privacy
[B] For gaming
[C] For deleting files
[D] For stopping network
सही उत्तर: Secure connection और privacy के लिए
व्याख्या: VPN data encryption और anonymity देता है।
Correct Answer: For secure connection and privacy
Explanation: VPN protects user identity.
302. यदि कोई वेबसाइट यूज़र से OTP मांगकर जानकारी ले लेती है, तो यह किस प्रकार का हमला है?
[A] Social Engineering Attack
[B] Firewall Attack
[C] System Update
[D] Data Backup
302. If a website tricks user into sharing OTP, it is what type of attack?
[A] Social Engineering Attack
[B] Firewall Attack
[C] System Update
[D] Data Backup
सही उत्तर: Social Engineering Attack
व्याख्या: OTP trick करके users को manipulate किया जाता है।
Correct Answer: Social Engineering Attack
Explanation: It uses human manipulation techniques.
303. कौन सा attack सिस्टम resources को पूरी तरह खत्म कर देता है?
[A] Denial of Service (DoS)
[B] Encryption Attack
[C] Patch Update
[D] Firewall Rule
303. Which attack exhausts system resources?
[A] Denial of Service (DoS)
[B] Encryption Attack
[C] Patch Update
[D] Firewall Rule
सही उत्तर: Denial of Service (DoS)
व्याख्या: DoS attack system को unavailable बना देता है।
Correct Answer: Denial of Service (DoS)
Explanation: DoS overwhelms system resources.
304. Spyware का मुख्य कार्य क्या है?
[A] User की जानकारी चोरी करना
[B] System को secure करना
[C] Network speed बढ़ाना
[D] File backup करना
304. What is the main function of Spyware?
[A] Steal user information
[B] Secure system
[C] Increase network speed
[D] Backup files
सही उत्तर: User की जानकारी चोरी करना
व्याख्या: Spyware secretly user data collect करता है।
Correct Answer: Steal user information
Explanation: Spyware monitors user activity secretly.
305. Malware का सबसे common प्रकार कौन सा है?
[A] Virus
[B] Firewall
[C] VPN
[D] Router
305. Which is the most common type of malware?
[A] Virus
[B] Firewall
[C] VPN
[D] Router
सही उत्तर: Virus
व्याख्या: Virus सबसे common malware है।
Correct Answer: Virus
Explanation: Virus spreads easily across systems.
306. Cyber security में "Confidentiality" का मतलब क्या है?
[A] Data को unauthorized access से बचाना
[B] System speed बढ़ाना
[C] File delete करना
[D] Game खेलना
306. What does Confidentiality mean in cyber security?
[A] Protect data from unauthorized access
[B] Increase system speed
[C] Delete files
[D] Play games
सही उत्तर: Data को unauthorized access से बचाना
व्याख्या: Confidentiality ensures data privacy।
Correct Answer: Protect data from unauthorized access
Explanation: It ensures privacy of information.
307. "Integrity" का मतलब क्या है?
[A] Data में unauthorized change ना होना
[B] System बंद करना
[C] Game खेलना
[D] Network slow करना
307. What does Integrity mean?
[A] No unauthorized data change
[B] Stop system
[C] Play games
[D] Slow network
सही उत्तर: Data में unauthorized change ना होना
व्याख्या: Integrity ensures data is not altered।
Correct Answer: No unauthorized data change
Explanation: It ensures data accuracy.
308. "Availability" का मतलब क्या है?
[A] Data हमेशा accessible होना चाहिए
[B] Data delete होना
[C] System crash होना
[D] Game खेलना
308. What does Availability mean?
[A] Data always accessible
[B] Data deleted
[C] System crash
[D] Play games
सही उत्तर: Data हमेशा accessible होना चाहिए
व्याख्या: Availability ensures system uptime।
Correct Answer: Data always accessible
Explanation: It ensures system availability.
309. Ransomware attack में क्या होता है?
[A] Data encrypt करके पैसे मांगे जाते हैं
[B] Data free दिया जाता है
[C] System update होता है
[D] Game चलता है
309. What happens in a Ransomware attack?
[A] Data is encrypted and ransom is demanded
[B] Data is free
[C] System updates
[D] Game runs
सही उत्तर: Data encrypt करके पैसे मांगे जाते हैं
व्याख्या: Ransomware user data lock करता है।
Correct Answer: Data is encrypted and ransom is demanded
Explanation: It locks data for ransom.
310. Firewall का मुख्य उद्देश्य क्या है?
[A] Unauthorized access रोकना
[B] Game चलाना
[C] File delete करना
[D] Network speed बढ़ाना
310. What is the main purpose of Firewall?
[A] Block unauthorized access
[B] Play games
[C] Delete files
[D] Increase speed
सही उत्तर: Unauthorized access रोकना
व्याख्या: Firewall traffic control करता है।
Correct Answer: Block unauthorized access
Explanation: Firewall filters traffic.