The answer is a) It improves upon the two-phased commit by requiring that locks be acquired at the start of a transaction.
Reason: The 3PC is an extension or you can say developed from 2PC that avoids blocking of an operation. It just ensures that first n sites have intended to commit a transaction that means it acquires commits or locks before the start of any transaction to avoid any blocking.
Option b) is wrong as it does not allow coordination, it just let all the other sites do their transaction if any other site is blocked, so no coordination is there between sites that they will wait till their coordinator is corrected.
Option c) is wrong as lock operations are shared between other connections as when their coordinator fails, the new coordinator agrees to the old coordinator that they had shared locks before and they can start their transaction.
Option d) is wrong as option a) is correct.
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Answer:
1)The Sleepwalker Effect. This effect has several dimensions. ...
2)The Transparency Effect. ...
3)The Black Box Effect. ...
4)The Splintering Effect.
the normal reasons program creators deliver to enroll your program – to get tech bolster, news, upgrades, offers, bug fixes, and so on. It too ensures your venture since it gives you changeless get to to your enlisted serial number in case something ever happens to your computer or computer program.
Answer:
4160000 bytes
Explanation:
One page = 52 lines of text
One line of text = 80 characters
=> One page = 80 x 52 = 4160 characters
Therefore, 500 pages of text will have 4160 x 500 characters = 2080000 characters.
Since 1 character takes up 2 bytes of computer memory, it impleies that a 500 page novel will take up 2080000 x 2 bytes = 4160000 bytes.
<span>The document is called as Project schedule. this document contains the tasks that needs to be performed, the time that is given to the perform the task, the target dates. It also contains the budget of the project and the budget can be represented task wise. This helps in performing the project in a more organized way.</span>
