Category: Cloud Computing Objective Questions

Cloud Computing Multiple Choice Questions on “Amazon Web Service Components and Services”.

1. Which of the following is an online backup and storage system?
a) Amazon Elastic Compute Cloud
b) Amazon Simple Queue Service
c) Amazon Simple Notification Service
d) Amazon Simple Storage System

Answer: d
Clarification: A high speed data transfer feature called AWS Import/Export can transfer data to and from AWS using Amazon’s own internal network to portable storage devices.

2. Point out the wrong statement.
a) Virtual private servers can provision virtual private clouds connected through virtual private networks
b) Amazon Web Services is based on SOA standards
c) Starting in 2012, Amazon.com made its Web service platform available to developers on a usage-basis model
d) All of the mentioned

Answer: c
Clarification: Through hardware virtualization on Xen hypervisors, Amazon.com has made it possible to create private virtual servers that you can run worldwide.

3. Which of the following is the central application in the AWS portfolio?
a) Amazon Elastic Compute Cloud
b) Amazon Simple Queue Service
c) Amazon Simple Notification Service
d) Amazon Simple Storage System

Answer: a
Clarification: Amazon Elastic Compute Cloud enables the creation, use, and management of virtual private servers running the Linux or Windows operating system over a Xen hypervisor.

4. Which of the following is a message queue or transaction system for distributed Internet-based applications?
a) Amazon Elastic Compute Cloud
b) Amazon Simple Queue Service
c) Amazon Simple Notification Service
d) Amazon Simple Storage System

Answer: b
Clarification: In a loosely coupled SOA system, a transaction manager is required to ensure that messages are not lost when a component isn’t available.

5. Point out the correct statement.
a) SQL Server is having enormous impact on cloud computing
b) Amazon.com’s services represent the largest pure Infrastructure as a Service (IAAS)
c) EC2 is a Platform as a Service (PaaS) market
d) None of the mentioned

Answer: b
Clarification: EC2 is estimated to run on over 40,000+ servers worldwide divided into six availability zones.

6. Which of the following is a system for creating block level storage devices that can be used for Amazon Machine Instances in EC2?
a) CloudWatch
b) Amazon Elastic Block Store
c) AWS Import/Export
d) All of the mentioned

Answer: b
Clarification: The Load Balancing feature can detect when an instance is failing and reroute traffic to a healthy instance, even an instance in other AWS zones.

7. Which of the following feature is used for scaling of EC2 sites?
a) Auto Replica
b) Auto Scaling
c) Auto Ruling
d) All of the mentioned

Answer: b
Clarification: Autoscaling is part of Amazon Cloudwatch and available at no additional charge.

8. Which of the following is a Web service that can publish messages from an application and deliver them to other applications or to subscribers?
a) Amazon Elastic Compute Cloud
b) Amazon Simple Queue Service
c) Amazon Simple Notification Service
d) Amazon Simple Storage System

Answer: c
Clarification: SNS provides a method for triggering actions, allowing clients or applications to subscribe to information (like RSS), or polling for new or changed information or perform updates.

9. Which of the following metrics are used to support Elastic Load Balancing?
a) CloudWatch
b) Amazon Elastic Block Store
c) AWS Import/Export
d) All of the mentioned

Answer: a
Clarification: Amazon Machine Instances (AMIs) in EC2 can be load balanced using the Elastic Load Balancing.

Cloud Computing Multiple Choice Questions on “Identity Protocol Standards”.

1. Which of the following is done by Identity management?
a) controlling access to data in the cloud
b) maintaining user roles
c) preventing unauthorized uses
d) all of the mentioned

Answer: d
Clarification: Identity management is a primary mechanism for controlling access to data in the cloud, preventing unauthorized uses, maintaining user roles, and complying with regulations.

2. Point out the correct statement.
a) Identities are not tied to the concept of accounts and can be used for contacts or “ID cards”
b) Identities are important from a reliability standpoint
c) Presence is important in cloud computing because it adds context that can modify services and service delivery
d) All of the mentioned

Answer: c
Clarification: Identities can be used to authenticate client requests for services in a distributed network system.

3. Which of the following is required by Cloud Computing?
a) That you establish an identity
b) That the identity be authenticated
c) That the authentication be portable
d) All of the mentioned

Answer: d
Clarification: When applied to a number of users in a cloud computing system, these requirements describe systems that must provision identities.

4. Which of the following standard is the key to creating Single Sign-On (SSO) systems?
a) OpenID 2.0
b) CHAP
c) SMAL
d) None of the mentioned

Answer: a
Clarification: Some cloud service providers have adopted OpenID as a service.

5. Point out the wrong statement.
a) OpenID 2.0 is the standard associated with creating an identity
b) OpenID doesn’t specify the means for authentication of identity
c) OpenID provides access to important Web sites
d) None of the mentioned

Answer: d
Clarification: Authentication can be by a Challenge and Response Protocol (CHAP).

6. Which of the following is a complementary mechanism to OpenID and is used to create SSO systems?
a) OpenSSL
b) CHAP
c) SMAL
d) None of the mentioned

Answer: c
Clarification: Taken as a unit, OpenID and SAML are being positioned to be the standard authentication mechanism for clients accessing cloud services.

7. Which of the following entity queries the OpenID identity provider to authenticate the veracity of the OpenID credentials?
a) serving party
b) relieving party
c) relaying party
d) none of the mentioned

Answer: c
Clarification: The OpenID is presented to a service that provides access to the resource that is desired.

8. Which of the following provides a token service that can be used to present validated access to resources?
a) OAuth
b) OCheck
c) SAML
d) None of the mentioned

Answer: a
Clarification: OAuth is similar to OpenID.

9. Which of the following foundation offers .NET developers Visual Studio integration of WS-Federation and WS-Trust open standards?
a) Windows Workflow
b) Windows Identity
c) Windows compliance
d) None of the mentioned

Answer: b
Clarification: ASP.NET Web applications created with WIF integrate the Windows Communication Foundation SOAP service (WCF-SOAP) into a unified object model.

10. __________ allows users to authenticate their access to applications both locally and in the cloud with a claims-based identity.
a) AD FS
b) AC
c) SAS
d) None of the mentioned

Answer: a
Clarification: AD FS uses WS-Federation, WS-Trust, and SAML, which allows users to access a system based on IBM, Novel, SAP, and many other vendors.

Cloud Computing Aptitude Test focuses on “Provisioning Cloud Storage”.

1. Which of the following service offers unlimited storage space?
a) Adrive
b) 4shared
c) Badongo
d) All of the mentioned

Answer: c
Clarification: Badongo.com is an online software service that enables storage, management and publication of personal content.

2. Point out the correct statement.
a) In a managed cloud storage system, the user provisions storage on demand
b) Unmanaged Storage is meant to support virtual cloud computing
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. Which of the following service has WebDAV as developer API?
a) Adrive
b) Drop.io
c) Dropbox
d) All of the mentioned

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

4. Which of the following developer API is provided by FilesAnywhere service?
a) FA
b) CA
c) BA
d) All of the mentioned

Answer: a
Clarification: FilesAnywhere is the creation of Dallas-based software design and consulting firm, Officeware systems.

5. Point out the wrong statement.
a) The most basic service that online storage can serve is to provide disk space on demand
b) The user may be able to purchase additional space for paid service
c) S3 is an example of unmanaged cloud storage
d) None of the mentioned

Answer: c
Clarification: S3 is an example of Managed cloud storage.

6. Which of the following service is provided by Google for online storage?
a) Drive
b) SkyDrive
c) Dropbox
d) All of the mentioned

Answer: a
Clarification: Google Drive is a file storage and synchronization service created by Google.

7. Which of the following association has coined the term Data Storage as a Service (DaaS) to describe the delivery of storage on demand to clients over a distributed system?
a) SNIA
b) COA
c) OCCI
d) None of the mentioned

Answer: a
Clarification: Others have called these types of system services Storage as a Service (STaaS).

8. Which of the following are Managed cloud storage providers?
a) EMC Atmos
b) Amazon.com Simple Storage Service
c) IBM Smart Business Storage Cloud
d) All of the mentioned

Answer: d
Clarification: IBM has both infrastructure and software offerings that allow businesses to create and manage a private storage cloud.

9. Which of the following is mainly focused on backup and digital archiving, not on storage hosting?
a) Nirvanix
b) Iron Mountain
c) Google Storage for Developers
d) All of the mentioned

Answer: b
Clarification: Iron Mountain Inc., founded in 1951, is an enterprise information management service.

10. Which of the following offers direct competition to Amazon’s S3 service?
a) Nirvanix
b) Rackspace Cloud
c) Badongo
d) All of the mentioned

Answer: b
Clarification: Unlike other cloud providers, Rackspace only offers managed solutions.

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).