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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Once the reaction time experiment in your MakeCode micro:bit program is complete, Review the tutorial video to make sure you've completed all the steps correctly.
<h3>What is reaction time experiment?</h3>
A reaction time experiment is known to be one that has different set of neural processes. This experiment is known to be one that has been set up to measure or look into the response time for something that one can see.
Note that when the reaction time experiment in your MakeCode micro:bit program is complete, it is better to go over the tutorial video to be sure you that you have completed all the steps correctly.
learn more about reaction time from
brainly.com/question/6167212
The answer to this question is A
Answer:
False
Explanation:
The Vigenere cipher is an encryption method that uses a series of interwoven Ceaser ciphers and a keyword to encrypt text. The difference between this cipher and the Ceaser cipher is the tabular interwoven Ceaser cipher and the keyword.
Multiple keywords can be used in the Vigenere cipher. The use of this keyword makes the brute-force decipher algorithm unreliable for decoding text encrypted with it.
Answer:
"sing" that is the answer
Explanation:
