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Briefly answer the following questions:
1. How is checkpointing done in ARIES?
2. Checkpointing can also be done as follows: Quiesce the system so that only checkpointing activity can be in progress, write out copies of all dirty pages, and include the dirty page table and transaction table in the checkpoint record. What are the pros and cons of this approach versus the checkpointing approach of ARIES?
3. What happens if a second begin checkpoint record is encountered during the Analysis phase?
4. Can a second end checkpoint record be encountered during the Analysis phase?
5. Why is the use of CLRs important for the use of undo actions that are not the physical inverse of the original update?
6. Give an example that illustrates how the paradigm of repeating history and the use of CLRs allow ARIES to support locks of finer granularity than a page.
How could you use a wiki to collaborate with fellow students to improve this course? What security and ethical concerns would you have to consider if you implemented this classroom wiki?
What potential objections are anticipated?
In the context of process management, _____ is the activity of ensuring conformance to the requirements and taking corrective action when necessary to correct problems and maintain stable performance, whereas _____ implies enhancing performance.
All of these data are of average complexity and the overall system is relatively simple. Compute FP for the system.
Refer to the handout below. Many of the formulas used in respiratory care are listed on the handout. Use the handout to perform the calculations below. Most of the formulas are also already provided for you. (Explain your work!)
Formulate this problem as a minimum cost flow problem. (For an auction algorithm that solves this problem, see Bertsekas and Casta˜non [1993c].) Hint: Replace each node i other than 1 and t with two nodes i and i and a connecting arc (i, i ) with ..
Which device connects two networks and permits communication between end systems connected to different networks?
The cable is wrapped around the spool's inner core. The coefficients of static friction at A and B are µA = 0.3 and µB = 0.6 .
A mobile sales force requires remote connectivity in order to access shared files and e-mail on the corporate network. All employees in the sales department have laptops equipped with ethernet adapters.
Part 1: Write a program in Java that reads integers into an array list until end-of-file, then prints the array. Part 2: Modify the program to insert the value 99 before the index 5 position.
Search online at http://www.osha.gov and from 29 CFR 1910.211 Definitions, define the following power press terms: brake, clutch, two-hand control device, die, foot pedal, pinch point, point of operation. Regulations for power presses are presente..
Given the roles and interrelationships among physicians, nurses, and other health service professionals, distinguish the health information management profession.
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