MCQ Questions - Mid PDF

Q1. ……….. is the protection provided to a system in order to attain the integrity, availability, and confidentiality of information system resources Answer: Computer Security Q2. In …………., confidential information is not made available to unauthorized persons. Answer: Data Confidentiality...

Q1. ……….. is the protection provided to a system in order to attain the integrity, availability, and confidentiality of information system resources Answer: Computer Security Q2. In …………., confidential information is not made available to unauthorized persons. Answer: Data Confidentiality Q3. In …………., users control what information related to them to collect and store. Answer: Privacy Q4. In …………., information and programs are changed in authorized manner. Answer: Data integrity Q5. In …………, system performs its function free from unauthorized manipulation. Answer: System integrity Q6. In …………., systems work on time and service is provided to authorized users. Answer: Availability Q7. A process designed to detect, prevent, or recover from a security attack is …………. Answer: Security Mechanism Q8. ……… is a processing that enhanced security of data processing systems and information transfers. Answer: Security service Q9. ……… is a potential for violation of system security. Answer: Threat Q10. Any action that caused dangerous to the security of information is …………. Answer: Security Attack Q11. ………… attacks are difficult to detect because they do not change the data. Answer: Passive Q12. The unauthorized reading of a message and traffic analysis are ……….. attacks. Answer: Passive Q13. Modification of messages or files, and denial of service is ……. attacks. Answer: Active Q14. In ……….., pretend to be a different entity. Answer: Masquerade Q15. In…………, capture data for retransmission. Answer: Replay Q16. ………… is a disruption of network by disabling or overloading. Answer: Denial of service Q17. In …………… some portion of legitimate message is changed. Answer: Modification of message Q18. ……….is the practice of defending computers, servers, mobile devices, electronic systems, networks, and data from malicious attacks Answer: Cyber security Q19. ………. is securing a computer network from attackers or malware. Answer: Network security Q20. ………. focuses on keeping software and devices free of threats. Answer: Application security Q21. ………. protects the integrity and privacy of data. Answer: Information security Q22. The processes and decisions for handling and protecting data is ……….. Answer: Operational security Q23. How an organization responds to the loss of operations/data is ……….. Answer: Disaster recovery Q24. In ………. both sender and receiver use the same key. Answer: Symmetric Encryption Q25. ………. has other names like Classical / Conventional / Single-key encryption. Answer: Symmetric Encryption Q26. In ………. sender and receiver use different keys. Answer: Asymmetric Encryption Q27. In ……….., each element of plaintext is mapped to another element Answer: Substitution Q28. In ……….., plaintext elements rearranged. Answer: Transposition