Answer:
humans,washing mashines,dish washers
Explanation:
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:
It is called B. REJ
Explanation:
REJ means Rapid Economic Justification. This is a methodology or framework to help IT professionals analyze IT investments. The main aim of this framework for business optimization
Answer:
Social networking capabilities could be made available by the presence of SBRUs central servers and local resort's server. For resorts that are using SBRU servers, there will be high bandwidth access to the internet. This can create a service level of 100% availability. However, for the resorts with high usage clients, a local server could be provided. Similar support will be needed and it will encourage local communication. The possible issues will be problems of connectivity, reliability as well as bandwidth.
Explanation:
Social networking capabilities could be made available by the presence of SBRUs central servers and local resort's server. For resorts that are using SBRU servers, there will be high bandwidth access to the internet. This can create a service level of 100% availability. However, for the resorts with high usage clients, a local server could be provided. Similar support will be needed and it will encourage local communication. The possible issues will be problems of connectivity, reliability as well as bandwidth.
Answer : The center lane is designated for left turns
Explanation: This lane is used so that drivers would pull into in order to turn left when a clear merge is available. Its main purpose is not to cause traffic jam while waiting for the chance to turn left. It is illegal to use this lane for any other purposes
