A+ Guide To It Technical Support
10th Edition
ISBN: 9780357108291
Author: ANDREWS, Jean.
Publisher: Cengage,
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Textbook Question
Chapter 14, Problem 1TC
A user complains that her computer is performing slowly. She tells you the problem started about a week ago when new
a. Uninstall the database software and see if performance improves.
b. Use Performance Monitor and Process counters to observe performance.
c. Use the Performance tab of Task Manager to observe database software activity.
d. Install more memory to improve system resources to handle the new software.
Expert Solution & Answer
Explanation of Solution
Given:
A user installed a software to update the database synced in database servers and users’ workstation. After performing all these tasks, the users’ computer gets slowed down.
To find: The method/tool to solve the hogging problem caused due to the installation of new software.
Solution:
Open the Task Manager and check the application that is using maximum RAM and Disk Space.
This application is responsible for computer hogging. When one program needs all of the CPU’s attention, other programs that also need the CPU might not get enough time to do their work.
Hence, c is the correct option.
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Suppose the deferred modification technique is used in a database.a. Is the old value part of an update log record required any more?Why or why not? b. If old values are not stored in update log records, transaction undo isclearly not feasible. How would the redo phase of recovery have to bemodified as a result?c. Deferred modification can be implemented by keeping updated dataitems in local memory of transactions and reading data items that havenot been updated directly from the database buffer. Suggest how to efficientlyimplement a data item read, ensuring that a transaction sees itsown updates.d. What problem would arise with the above technique if transactions performa large number of updates?
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Chapter 14 Solutions
A+ Guide To It Technical Support
Ch. 14 - A user complains that her computer is performing...Ch. 14 - Prob. 2TCCh. 14 - Prob. 3TCCh. 14 - You are troubleshooting an application problem and...Ch. 14 - When a user, Belinda Lim, signs in to Windows, she...Ch. 14 - Prob. 6TCCh. 14 - Prob. 7TCCh. 14 - Prob. 8TCCh. 14 - When Windows first starts and the user signs in, a...Ch. 14 - Prob. 10TC
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