Top 1000+ Solved Cloud Computing MCQ Questions Answer
Q. What is HDFS Block in Hadoop?
a. it is the logicalrepresentation of data
b. it is the physicalrepresentation of data
c. both the above
d. none of the above
Q. Which of the following is the correct statement?
a. datanode is the slave/worker node and holds the user data in the form ofdata blocks
b. each incoming file is broken into 32 mb by defaul
c. namenode stores user data in the form of data blocks
d. none of the above
Q. The need for data replication can arise in various scenarios like
a. replication factor ischanged
b. datanode goes down
c. data blocks getcorrupted
d. all of the above
Q. Point out the correct statement.
a. amazon elastic cloud is a system for creating virtual disks(volume)
b. simpledb interoperates with both amazon ec2 and amazon s3
c. ec3 is an analytics as a service provider
d. none of the mentioned
Q. Which of the following is a billing and account management service?
a. amazon elastic mapreduce
b. amazon mechanical turk
c. amazon devpay
d. multi-factor authentication
Q. The properties necessary to guarantee a reliable transaction in databases and other applications is referred to as
a. base
b. acid
c. atom
d. all of the mentioned
Q. Which of the following is property of ACID principle?
a. atomicity
b. consistency
c. isolation
d. all of the mentioned
Q. Which of the following ACID property states that the system must go from one known state to another and that the system integrity must be maintained?
a. atomicity
b. consistency
c. isolation
d. durability
Q. Which of the following component is required for both online and local data access in hybrid application?
a. local
b. cloud
c. both local and cloud
d. none of the mentioned
Q. Which of the following factors might offset the cost of offline access in hybrid applications?
a. scalability
b. costs
c. ubiquitous access
d. all of the mentioned
Q. An application that needed storage alone might not benefit from a cloud deployment at all.
a. online
b. offline
c. virtual
d. all of the mentioned
Q. 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
Q. Which of the following property defines a transaction as something that cannot be subdivided and must be completed or abandoned as a unit?
a. atomicity
b. consistency
c. isolation
d. durability
Q. Which of the following is a core management feature offered by most cloud management service products?
a. support of different cloud types
b. creation and provisioning of different types of cloud resources, such as machine instances, storage, or staged applications
c. performance reporting including availability and uptime, response time, resource quota usage, and other characteristics
d. all of the mentioned
Q. Point out the correct statement.
a. eucalyptus and rackspace both use amazon ec2 and s3 services
b. the rightscale user interface provides real-time measurements of individual server instances
c. rightscale server templates and the rightscript technology are highly configurable and can be run under batch control
d. all of the mentioned