NPTEL Cloud Computing Assignment Week 6 Answers 2025
1. Modification threat on cloud security is an example of:
A. Deception
B. Disclosure
C. Disruption
D. Usurpation
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2. Which of the following is/are examples) of passive attack?
A. Replay
B. Denial of service
C. Traffic analysis
D. Masquerade
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3. Interception is an attack on integrity
A. TRUE
B. FALSE
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4. Statement I: Intrusion Detection System (IDS) scans the incoming messages, and creates alerts
when suspected scans/attacks are in progress.
Statement II: Authentication is the identification of legitimate users.
A. Statement I is TRUE and statement Il is FALSE.
B. Statement I is FALSE and statement I| is TRUE.
C. Both statements are TRUE.
D. Both statements are FALSE.
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5.
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6. Recovery Time Objective (RTO) represents the period of time allowed for the complete execution of the task.
A. TRUE
B. FALSE
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7. The correct statements) for necessary and sufficient conditions for the detection of inheritance
conflict is/are:
A. Sufficient condition: current entry role and at least one exit role forms conflicting pair
B. Sufficient condition: current entry role is senior to at least one exit role
C. Necessary condition: current entry role is senior to at least one exit role
D. Necessary condition: at least one exit role
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8. Which of the following is/are hypervisor risks associated with VM escape?
A. Vulnerable virtual machine applications like Vmchat, VMftp, Vmcat etc.
B. Rogue hypervisor that hides itself from normal malware detection systems
C. Improper configuration of VM
D. Rogue hypervisor that creates a covert channel to dump unauthorized code
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9. In fault tolerance, replication is the duplication of critical components of a system with the intention of increasing reliability of the system, usually in the case of a backup or fail-safe.
A. TRUE
B. FALSE
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10. Which of the following Open-source tools is/are used for retrieving web pages in Amazon EC2
platform?
A. wget
B. hping
C. ifconfig
D. nmap
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