Three key concepts that ensure good quality of service include all of the following except _______.

A. reliability
B. convertibility
C. availability
D. serviceability


Answer: B

Computer Science & Information Technology

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A program deletes a shared memory segment by using

A. shmdt B. shmctl

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List five reasons administrators use virtualization.A. Five reasons administrators use virtualization are:• Power saving• Hardware consolidation• System recovery• System duplication• Research

What will be an ideal response?

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Which of the following best describes the purpose of a firewall?

A. Passive devices that analyze network traffic to detect unauthorized access B. Active devices that sit inline with traffic and can respond to intrusions by disabling the connection, dropping the packet, or deleting the malicious content C. A software or hardware device that can filter incoming or outgoing traffic based on specific rules D. A device that monitors the characteristics of a single host and the events occurring on that host

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________ of the system happens after the installation of software and hardware.

A. Design analysis B. Implementation C. Testing D. Management studies

Computer Science & Information Technology