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.
If you like the answer, please upvote.
Answer:
Positive media attention can transform communities in unexpected ways.
Explanation:
According to the given excerpt, it is narrated that Kathleen wrote about a town called Abbston that was recently overwhelmed by tourists as a result of the news article by a TV travel editor who wrote about the town.
Therefore, the best concluding sentence for the paragraph would be that positive media attention can transform communities in unexpected ways.
Answer:
<style>
p {
background-color: rgb(255, 0, 0);
}
h1 {
background-color: rgb(0, 255, 0);
}
ol {
background-color: rgb(97,51,47);
}
</style>
Explanation:
Put this at the top of your code. It should target the paragraph tag, the header h1 tag, and the Ordered List (OL) tag individually and set their background colors respectively.
It's been a while since I've done CSS so you might have to tweak the syntax a bit, but it should look something like that.
450Mbps on the 2.4GHz band and 1300Mbps on the 5GHz band
The organization provides a free, online html5 validator application to ensure that a webpage's html tags follow the rules for html5 is the W3C.
<h3>What does the W3C do?</h3>
The W3C's is known to help to create protocols and rules that makes sure that long-term development of the Web.
Therefore, we can say that The organization provides a free, online html5 validator application to ensure that a webpage's html tags follow the rules for html5 is the W3C.
Learn more about The W3C from
brainly.com/question/11179793
#SPJ1
