MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ____ property states that the system must have a mechanism to recover from committed transactions should that be necessary.
A
Atomicity
B
Consistency
C
Isolation
D
Durability
Explanation: 

Detailed explanation-1: -9. The property states that the system must have a mechanism to recover from committed transactions should that be necessary. Explanation: The isolation property states that the system cannot have other transactions operate on data that is currently being processed by a transaction.

Detailed explanation-2: -In the context of transaction processing, the acronym ACID refers to the four key properties of a transaction: atomicity, consistency, isolation, and durability.

Detailed explanation-3: -Which of the following are the features of cloud computing? Explanation: One of the important features is security, the data stored is secured and cannot be accessed by unauthorized parties. In case the user exhausts the storage space allocated, the user can buy extra storage for a less amount.

Detailed explanation-4: -5. Which of the following is not a property of a transaction? Explanation: Simplicity is not a property of a transaction. Atomicity, Isolation, Durability are all parts of ACID properties.

Detailed explanation-5: -1. Which of the following mechanisms are contained by Cloud API for accessing cloud services? Explanation: The cloud API contains the authentication and authorization mechanisms needed to access cloud services.

There is 1 question to complete.