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This set of Cloud Computing Multiple Choice Questions & Answers (MCQs) focuses on Cloud Computing Set 40

Q1 | Which of the architectural layer is used as a front end in cloud computing?
  • client
  • cloud
  • soft
  • all of the mentioned
Q2 | Which of the following benefit is provided by the PaaS service provider
  • A larger pool of qualified developers
  • More reliable operation
  • A logical design methodology
  • All of the mentioned
Q3 | Communication between services is done widely using _______ protocol
  • REST
  • SOAP
  • RESTful
  • None of the mentioned
Q4 | Which of the following provider rely on the virtual machine technology to deliver servers?
  • CaaS
  • AaaS
  • PaaS
  • IaaS
Q5 | Which of the following component is called hypervisor?
  • VGM
  • VMc
  • VMM
  • All of the mentioned
Q6 | Applications such as a Web server or database server that can run on a virtual machine image are referred to as __
  • virtual server
  • virtual appliances
  • machine imaging
  • all of the mentioned
Q7 | Amazon Machine Images are virtual appliances that have been packaged to run on the grid of ____ nodes.
  • Ben
  • Xen
  • Ken
  • Zen
Q8 | __________ is a CPU emulator and virtual machine monitor
  • Imaging
  • Parallels
  • QEMU
  • None of the mentioned
Q9 | Which of the following provider rely on the virtual machine technology to deliver servers?
  • CaaS
  • AaaS
  • PaaS
  • IaaS
Q10 | __________ is a CPU emulator and virtual machine monitor
  • Imaging
  • Parallels
  • QEMU
  • None of the mentioned
Q11 | The source of HDFS architecture in Hadoop originated as
  • Google distributed filesystem
  • Yahoo distributed filesystem
  • Facebook distributed filesystem
  • Amazon S3 storage
Q12 | What is default replication factor?
  • 1
  • 2
  • 3
  • 5
Q13 | What is HDFS Block in Hadoop?
  • It is the logical representation of data
  • It is the physical representation of data
  • Both the above
  • None of the above
Q14 | The need for data replication can arise in various scenarios like
  • DataNode is the slave/worker node and holds the user data in the form of Data Blocks
  • DataNode goes down
  • Data Blocks get corrupted
  • All of the above
Q15 | If the IP address or hostname of a data node changes
  • The namenode updates the mapping between file name and block name
  • The data in that data node is lost forever
  • The namenode need not update mapping between file name and block name
  • There namenode has to be restarted
Q16 | For the frequently accessed HDFS files the blocks are cached in
  • The memory of the data node
  • In the memory of the namenode
  • Both the above
  • None of the above
Q17 | In HDFS the files cannot be
  • Read
  • Deleted
  • Executed
  • Archived
Q18 | Which of the following is not the feature of Network management systems?
  • Accounting
  • Security
  • Performance
  • None of the mentioned
Q19 | Which of the following service provider provides the least amount of built in security?
  • SaaS
  • PaaS
  • IaaS
  • All of the mentioned
Q20 | Point out the correct statement.
  • Different types of cloud computing service models provide different levels of security services
  • Adapting your on-premises systems to a cloud model requires that you determine what security mechanisms are required
  • Data should be transferred and stored in an encrypted format for security purpose
  • All of the mentioned
Q21 | Point out the wrong statement.
  • You can use proxy and brokerage services to separate clients from direct access to shared cloud storage
  • Any distributed application has a much greater attack surface than an application that is closely held on a Local Area Network
  • Cloud computing doesn’t have vulnerabilities associated with Internet applications
  • All of the mentioned
Q22 | Which of the following is the operational domain of CSA(Cloud Security Alliance)?
  • Scalability
  • Portability and interoperability
  • Flexibility
  • None of the mentioned
Q23 | Which of the following is considered an essential element in cloud computing by CSA?
  • Multi-tenancy
  • Identity and access management
  • Virtualization
  • All of the mentioned
Q24 | Which of the following is used for Web performance management and load testing?
  • VMware Hyperic
  • Webmetrics
  • Univa UD
  • Tapinsystems
Q25 | Which of the following functional cloud computing hardware/software stack is the Cloud Reference Model?
  • CAS
  • CSA
  • SAC
  • All of the mentioned