Category: Cloud Computing Objective Questions

Tricky Cloud Computing questions on “Collaboration Technologies”.

1. Which of the following programming medium makes social networking widgets more prevalent than the past?
a) HTML
b) Java
c) AJAX
d) All of the mentioned

Answer: c
Clarification: Many social networking sites have widget galleries that contain clocks, calendars, animations, weather information, electronic Post-It notes, and many more

2. Point out the wrong statement.
a) Discussions are often indexed by the major search engines
b) Few social networking sites have the ability to create blogs
c) A widget is a small utility that you can add to your page
d) All of the mentioned

Answer: b
Clarification: Most social networking sites have the ability to create blogs.

3. Which of the following is not a social networking site?
a) IRC-Galleria
b) Italki.com
c) Itsmy
d) None of the mentioned

Answer: d
Clarification: Itsmy is a mobile social network.

4. Which of the following offers an SaaS service that provides online analysis and measurement of social media tools?
a) Network Insights
b) myZuzu
c) NutshellMail
d) Gnip

Answer: a
Clarification: Gnip offers an aggregation API for developers.

5. Point out the wrong statement.
a) myYearbook is used for general social network
b) MySpace is used as a social networking site for Asian relationships
c) Livemocha is used for language learning purpose
d) None of the mentioned

Answer: b
Clarification: Multiply is used as a social networking site for Asian relationships.

6. Which of the following social networking site is used for Business and professional networking?
a) LiveJournal
b) Linkedin
c) Mix
d) All of the mentioned

Answer: b
Clarification: Mixi is a Japanese social network.

7. Which of the following social networking site is used for locating friends and family?
a) MyLife
b) My Opera
c) MyBlogLog
d) None of the mentioned

Answer: a
Clarification: MyBlogLog is a blogging network.

8. Which of the following is the largest Chinese social networking site?
a) Qzone
b) ResearchGATE
c) Renren
d) None of the mentioned

Answer: a
Clarification: ResearchGATE is used for science research.

9. Which of the following offers a desktop application or browser add-in for aggregating Webmail and social network accounts?
a) FriendFeed
b) ContextMine
c) Gathera
d) All of the mentioned

Answer: c
Clarification: FriendFeed site monitors brand presence.

Cloud Computing Multiple Choice Questions on “Attributes of Cloud Computing”.

1. Which of the following is one of the unique attributes of Cloud Computing?
a) utility type of delivery
b) elasticity
c) low barrier to entry
d) all of the mentioned

Answer: d
Clarification: These attributes change how applications are created, priced, and delivered.

2. Point out the correct statement.
a) Service Level Agreements (SLAs) is small aspect of cloud computing
b) Cloud computing does not have impact on software licensing
c) Cloud computing presents new opportunities to users and developers
d) All of the mentioned

Answer: c
Clarification: Because it is based on the paradigm of a shared multi-tenant utility.

3. Applications that work with cloud computing that have low margins and usually low risk are _____________
a) high touch
b) low touch
c) moderate touch
d) all of the mentioned

Answer: b
Clarification: The “high touch” applications that come with high margins require committed resources and pose more of a risk.

4. A service that concentrates on hardware follows the _________ as a Service model.
a) IaaS
b) CaaS
c) PaaS
d) All of the mentioned

Answer: a
Clarification: Amazon web service follows PaaS model.

5. Point out the wrong statement.
a) A cloud is defined as the combination of the infrastructure of a datacenter with the ability to provision hardware and software
b) High touch applications are best done on-premises
c) The Google App Engine follows IaaS
d) None of the mentioned

Answer: c
Clarification: The Google App Engine follows PaaS.

6. When you add a software stack, such as an operating system and applications to the service, the model shifts to _____ model.
a) SaaS
b) PaaS
c) IaaS
d) All of the mentioned

Answer: a
Clarification: Microsoft’s Windows Azure Platform is best described as currently using SaaS model.

7. Which of the following is the most refined and restrictive service model?
a) IaaS
b) CaaS
c) PaaS
d) All of the mentioned

Answer: c
Clarification: When the service requires the client to use a complete hardware/software/application stack, it is using the most refined and restrictive service model.

8. _______ is a pay-as-you-go model matches resources to need on an ongoing basis.
a) Utility
b) Elasticity
c) Low barrier to entry
d) All of the mentioned

Answer: a
Clarification: This eliminates waste and has the added benefit of shifting risk from the client.

9. _______ feature allows you to optimize your system and capture all possible transactions.
a) scalability
b) reliability
c) elasticity
d) none of the mentioned

Answer: c
Clarification: You have the ability to right-size resources as required.

10. _______ enables batch processing, which greatly speeds up high-processing applications.
a) Scalability
b) Reliability
c) Elasticity
d) Utility

Answer: a
Clarification: This feature obviates the need for planning and provisioning.

Cloud Computing Multiple Choice Questions on “Hypervisors”.

1. Which of the following will be the host operating system for Windows Server?
a) VirtualLogix VLX
b) Microsoft Hyper-V
c) Xen
d) All of the mentioned

Answer: b
Clarification: Type 2 virtual machines are installed over a host operating system.

2. Point out the wrong statement.
a) Load balancing virtualizes systems and resources by mapping a logical address to a physical address
b) Multiple instances of various Google applications are running on different hosts
c) Google uses hardware virtualization
d) All of the mentioned

Answer: c
Clarification: Google performs server load balancing to distribute the processing load and to get high utilization rates.

3. Which of the following is another name for the system virtual machine?
a) hardware virtual machine
b) software virtual machine
c) real machine
d) none of the mentioned

Answer: a
Clarification: Some virtual machines are designed to run only a single application or process and are referred to as process virtual machines.

4. Which of the following provide system resource access to virtual machines?
a) VMM
b) VMC
c) VNM
d) All of the mentioned

Answer: a
Clarification: VMM is another name for Hypervisor.

5. Point out the correct statement.
a) A virtual machine is a computer that is walled off from the physical computer that the virtual machine
is running on
b) Virtual machines provide the capability of running multiple machine instances, each with their own operating system
c) The downside of virtual machine technologies is that having resources indirectly addressed means there is some level of overhead
d) All of the mentioned

Answer: d
Clarification: This makes virtual machine technology very useful for running old versions of operating systems, testing applications in what amounts to a sandbox.

6. An operating system running on a Type ______ VM is full virtualization.
a) 1
b) 2
c) 3
d) All of the mentioned

Answer: a
Clarification: Because it is a complete simulation of the hardware that it is running on.

7. Which of the following is Type 1 Hypervisor?
a) Wind River Simics
b) Virtual Server 2005 R2
c) KVM
d) LynxSecure

Answer: d
Clarification: Type 1 VMs have no host operating system because they are installed on a bare system.

8. Which of the following is Type 2 VM?
a) VirtualLogix VLX
b) VMware ESX
c) Xen
d) LynxSecure

Answer: c
Clarification: Xen is used by Amazon Web Services to provide Amazon Machine Instances (AMIs).

Cloud Computing Multiple Choice Questions on “Amazon Machine Images”.

1. Which of the following provides a bridge between a company’s existing network and the AWS cloud?
a) Amazon Virtual Private Cloud
b) AWS Premium Support
c) Amazon Fulfillment Web Services
d) All of the mentioned

Answer: a
Clarification: VPC connects your network resources to a set of AWS systems over a Virtual Private Network (VPN) connection and extends security
systems.

2. Point out the wrong statement.
a) Between FBA and FWS, you can create a nearly virtual store on Amazon.com
b) Amazon plans to extend the capabilities of VPC to integrate with other systems in the Amazon cloud computing portfolio
c) FPS is exposed as an API that sorts transactions into packages called Quick Starts that makes it easy to implement
d) None of the mentioned

Answer: b
Clarification: Merchant inventory is prepositioned in Amazon’s fulfillment centers.

3. Which of the following is Amazon’s technical support and consulting business?
a) Amazon Virtual Private Cloud
b) AWS Premium Support
c) Amazon Fulfillment Web Services
d) All of the mentioned

Answer: b
Clarification: Through AWS Premium Support, subscribers to AWS can get help building or supporting applications that use EC2.

4. Which of the following allows merchants to fill orders through Amazon.com fulfillment service?
a) Amazon Elastic Compute Cloud
b) Amazon Fulfillment Web Services
c) Amazon Relational Database Service
d) Amazon Simple Storage System

Answer: b
Clarification: There is no charge for using Amazon FWS.

5. Point out the correct statement.
a) With EC2, you can launch and run server instances called Amazon Machine Images (AMIs) running different operating systems such as Red Hat Linux
b) A machine image is the software and operating system running on top of the instance
c) A machine image may be thought of as the contents of a boot drive
d) All of the mentioned

Answer: d
Clarification: A machine image should be composed of a hardened operating system.

6. Which of the following provides access for developers to charge Amazon’s customers for their purchases?
a) FWS
b) FAS
c) FPS
d) All of the mentioned

Answer: c
Clarification: FPS is a payments-transfer infrastructure.

7. Which of the following uses an authentication device?
a) Amazon Elastic MapReduce
b) Amazon Mechanical Turk
c) Amazon DevPay
d) Multi-Factor Authentication

Answer: d
Clarification: Multi-Factor Authentication gives you two layers of protection: your user id and password.

8. _________ is a virtual server platform that allows users to create and run virtual machines on Amazon’s server farm.
a) EC2
b) Azure
c) EC5
d) None of the mentioned

Answer: a
Clarification: You can add or subtract virtual servers elastically as needed.

9. AMIs are operating systems running on the _____ virtualization hypervisor.
a) Yen
b) Xen
c) Ben
d) Multi-Factor Authentication

Answer: b
Clarification: Each virtual private server is accorded a size rating called its EC2 Compute Unit.

10. Which of the following instance class is best used for applications that are processor or compute-intensive?
a) Standard Instances
b) High Memory Instances
c) High CPU Instances
d) None of the mentioned

Answer: c
Clarification: Applications of this type include rendering, encoding, data and others.

Cloud Computing Multiple Choice Questions on “Service Oriented Architecture”.

1. Which of the following describes a message-passing taxonomy for a component-based architecture that provides services to clients upon demand?
a) SOA
b) EBS
c) GEC
d) All of the mentioned

Answer: a
Clarification: Clients access a component that complies with SOA by passing a message containing metadata to be acted upon in a standard format.

2. Point out the correct statement.
a) Service Oriented Architecture (SOA) describes a standard method for requesting services from distributed components and managing the results
b) SOA provides the translation and management layer in an architecture that removes the barrier for a client obtaining desired services
c) With SOA, clients and components can be written in different languages and can use multiple messaging protocols
d) All of the mentioned

Answer: d
Clarification: You don’t need SOA if you are creating a monolithic cloud application that performs a specific function such as backup, e-mail, Web page access, or instant messaging.

3. Which of the following is a repeatable task within a business process?
a) service
b) bus
c) methods
d) all of the mentioned

Answer: a
Clarification: A business task is a composition of services.

4. Which of the following provides commands for defining logic using conditional statements?
a) XML
b) WS-BPEL
c) JSON
d) None of the mentioned

Answer: b
Clarification: Business process is a collection of activity graphs.

5. Point out the wrong statement.
a) SOA provides the standards that transport the messages and makes the infrastructure to support it possible
b) SOA provides access to reusable Web services over an SMTP network
c) SOA offers access to ready-made, modular, highly optimized, and widely shareable components that can minimize developer and infrastructure costs
d) None of the mentioned

Answer: b
Clarification: Service Oriented Architecture has been part of a collaborative effort on the part of both large and small vendors to come up with a common solution to architecting complex business software processes efficiently.

6. Which of the following is used to define the service component that performs the service?
a) WSDL
b) SCDL
c) XML
d) None of the mentioned

Answer: b
Clarification: SCDL stands for Service Component Definition Language.

7. Which of the following is commonly used to describe the service interface, how to bind information, and the nature of the component’s service or endpoint?
a) WSDL
b) SCDL
c) XML
d) None of the mentioned

Answer: a
Clarification: The most commonly used message-passing format is an Extensible Markup Language (XML) document using the Simple Object Access Protocol (SOAP).

Cloud Computing Multiple Choice Questions on “Virtual Storage Containers”.

1. Which of the following feature make cloud-based storage systems highly reliable?
a) Redundant networks
b) Redundant name servers
c) Replication
d) All of the mentioned

Answer: d
Clarification: Failover can involve a system simply changing the pointers to the stored object’s location.

2. Point out the correct statement.
a) With Atmos, you can create your own cloud storage system or leverage a public cloud service with Atmos online
b) IBM is a major player in cloud computing particularly for businesses
c) In managed storage, the storage service provider makes storage capacity available to users
d) All of the mentioned

Answer: a
Clarification: User pays for the storage using a pay-as-you-go model in managed cloud storage.

3. Redundancy has to be implemented at the _________ architectural level for effective results in cloud computing.
a) lower
b) higher
c) middle
d) all of the mentioned

Answer: b
Clarification: ADrive provides online cloud storage and backup solutions for personal, business and enterprise-level data.

4. Which of the following can manage data from CIFS and NFS file systems over HTTP networks?
a) StorageGRID
b) DataGRID
c) DiskGRID
d) All of the mentioned

Answer: a
Clarification: StorageGRID can enforce policies and create a tiered storage system.

5. Point out the wrong statement.
a) AWS S3 essentially lets you create your own cloud storage
b) AWS created “Availability Zones” within regions, which are sets of systems that are isolated from one another
c) Amazon Web Services (AWS) adds redundancy to its IaaS systems by allowing EC2 virtual machine instances
d) None of the mentioned

Answer: d
Clarification: In theory, instances in different availability zones shouldn’t fail at the same time.

6. A ________ is a logical unit that serves as the target for storage operations, such as the SCSI protocol READs and WRITEs.
a) GETs
b) PUN
c) LUN
d) All of the mentioned

Answer: c
Clarification: In traditional pooled storage deployments, storage partitions can be assigned and provide a device label called a Logical Unit Number.

7. Which of the following use LUNs to define a storage volume that appears to a connected computer as a device?
a) SAN
b) iSCSI
c) Fibre Channel
d) All of the mentioned

Answer: d
Clarification: Unused LUNs are the equivalent of a raw disk from which one or more volumes may be created.

8. Which of the following protocol is used for discovering and retrieving objects from a cloud?
a) OCCI
b) SMTP
c) HTTP
d) All of the mentioned

Answer: a
Clarification: Making cloud storage data discoverable on a TCP/IP network using HTTP or some other protocol requires that objects be assigned a unique identifier.

9. Which of the following disk operation is performed When a tenant is granted access to a virtual storage container?
a) CRUD
b) File system modifications
c) Partitioning
d) All of the mentioned

Answer: d
Clarification: Data stored in a virtual storage container may be stored in chunks or buckets.

10. Which of the following standard connect distributed hosts or tenants to their provisioned storage in the cloud?
a) CDMI
b) OCMI
c) COA
d) All of the mentioned

Answer: a
Clarification: CDMI stands for Cloud Data Management Interface.