Category: Cloud Computing Objective Questions

Cloud Computing Multiple Choice Questions on “Video Streaming”.

1. Google Talk is a Windows only VoIP service on the desktop that uses the ________ protocol.
a) Jabber
b) Jingle
c) SIP
d) None of the mentioned

Answer: b
Clarification: It supports communication with mobile XMPP clients such as the Nokia N900 Smartphone, Blackberry, iPhone, and Android phones.

2. Point out the correct statement.
a) Video streaming over the Internet has become one of the major broadcast transmission media
b) The Internet’s “Wayback Machine” stores past versions of the Internet and includes some interesting and significant out-of-copyright video content
c) Kyte is a video platform for live and on-demand content streamed to online, mobile, and social media platforms
d) All of the mentioned

Answer: d
Clarification: Video streaming is one of these technologies that benefits greatly from deployment in the cloud.

3. Which of the following is the most widespread video streaming service?
a) Flickr
b) Dailymotion
c) Metacafe
d) All of the mentioned

Answer: d
Clarification: Metacafe is an entertainment site with movie trailers, TV shows, video games, and more.

4. Which of the following is the largest video sharing site?
a) YouTube
b) YuMe
c) Yahoo Video
d) All of the mentioned

Answer: a
Clarification: YuMe is a video advertising company.

5. Point out the wrong statement.
a) Veoh serves TV and movie content from major studios, along with uploaded user content
b) UStream.tv is a live video event streaming service
c) RuTube is a popular Japanese video-sharing site
d) None of the mentioned

Answer: c
Clarification: RuTube is a popular Russian video-sharing site.

6. Which of the following application is an example of TV over the Internet?
a) Hulu.com
b) MySpace
c) Comcast
d) None of the mentioned

Answer: a
Clarification: Hulu was launched in 2007 as a joint venture by ABC, Fox, and NBC to offer content to viewers.

7. Which of the following movie subscription service has moved to the cloud?
a) AOL
b) Netflix
c) XBox
d) None of the mentioned

Answer: b
Clarification: Netflix also is expected to use the cloud deployment to expand the support of other devices.

8. Which of the following can be best be described as a digital media receiver?
a) Apple TV
b) Google TV
c) Windows Live
d) All of the mentioned

Answer: a
Clarification: Google TV is a media center software platform that will appear in some HDTVs.

9. Which of the following media players can view HTML5 content?
a) XBMC
b) Media Player Classic
c) Moovida Core
d) All of the mentioned

Answer: d
Clarification: Kodi (formerly XBMC) is a free and open-source media player software developed by the XBMC Foundation.

10. Which of the following is the most widely used streaming video file container format?
a) H.261
b) H.262
c) H.264
d) None of the mentioned

Answer: c
Clarification: H.264 is used as the streaming format for most large video sites, such as YouTube and iTunes.

Cloud Computing Multiple Choice Questions on “Cloud computing costs”.

1. The cost of a cloud computing deployment is roughly estimated to be ___________
a) CostCLOUD = Σ(UnitCostCLOUD / (Revenue – CostCLOUD))
b) CostCLOUD = Σ(UnitCostCLOUD x (Revenue + CostCLOUD))
c) CostCLOUD = Σ(UnitCostCLOUD x (Revenue – CostCLOUD))
d) All of the mentioned

Answer: c
Clarification: Unit cost is usually defined as the cost of a machine instance per hour or another resource.

2. Point out the correct statement.
a) Cloud resource pricing doesn’t always scale linearly based on performance
b) Depending upon the service model type, other resources add additional unit costs
c) Typical efficiency in data centers are between 10 and 55 percent
d) All of the mentioned

Answer: a
Clarification: Different cloud providers charge different amounts for these resources, some resources are free for one provider and charged for another, and there are almost always variable charges based on resource sizing.

3. The costs associated with resources in the cloud computing model _______ can be unbundled to a greater extent than the costs associated with CostDATACENTER.
a) CLOUD
b) CostCLOUD
c) CCLOUD
d) All of the mentioned

Answer: b
Clarification: The CostDATACENTER consists of the summation of the cost of each of the individual systems with all the associated resources.

4. Security methods such as private encryption, VLANs and firewalls comes under __________ subject area.
a) CostDATACENTER = 1nΣ(UnitCostDATACENTER / (Revenue –(CostDATACENTER/Utilization))SYSTEMn
b) CostDATACENTER = 1nΣ(UnitCostDATACENTER x (Revenue –(CostDATACENTER/Utilization))SYSTEMn
c) CostDATACENTER = 1nΣ(UnitCostDATACENTER x (Revenue +(CostDATACENTER/Utilization))SYSTEMn
d) All of the mentioned

Answer: b
Clarification: Sum includes terms for System 1, System 2, System 3, and so on.

5. Point out the wrong statement.
a) Data center operates under average loads
b) Private cloud doesn’t pooling of resources that a cloud computing provider can achieve
c) Private cloud doesn’t employ the same level of virtualization
d) None of the mentioned

Answer: c
Clarification: Capacity of the datacenter is fixed by the assets it has.

6. For a server with a four-year lifetime, you would therefore need to include an overhead roughly equal to ___ percent of the system’s acquisition cost.
a) 10
b) 20
c) 25
d) All of the mentioned

Answer: c
Clarification: The costs of a system in a datacenter must also include the overhead associated with power, cooling, and the physical plant.

7. The overhead associated with ____ staff is a major cost.
a) Data Center
b) IT
c) Non IT
d) All of the mentioned

Answer: b
Clarification: It is not uncommon for the burden cost of a system in a datacenter to be 150 percent of the cost of the system itself.

8. Moving expenses onto the _____ side of a budget allows an organization to transfer risk to their cloud computing provider.
a) Dex
b) OpEx
c) Pex
d) All of the mentioned

Answer: b
Clarification: The conversion of real assets to virtual ones provides a measure of protection against too much or too little infrastructure.

9. ________ is surely an impediment to established businesses starting new enterprises.
a) Proposition
b) Capitalization
c) Globalization
d) None of the mentioned

Answer: b
Clarification: Capitalization may be the single largest reason that new businesses fail.

10. Cloud computing is also a good option when the cost of infrastructure and management is ______
a) low
b) high
c) moderate
d) none of the mentioned

Answer: b
Clarification: This is often the case with legacy applications and systems where maintaining the system capabilities is a significant cost.

Cloud Computing Multiple Choice Questions on “Porting Applications”.

1. Which of the following vendor is offering optimization appliances for VMware infrastructure?
a) Expand Networks
b) Certeon
c) Replify
d) None of the mentioned

Answer: b
Clarification: Most virtual appliances are used to run a single application and are configurable from a Web page.

2. Point out the correct statement.
a) Virtual appliances are a relatively new paradigm for application deployment
b) External network virtualization cannot be done using network switches and VLAN software
c) All imaging programs can take snapshots of systems
d) All of the mentioned

Answer: a
Clarification: Cloud computing is the major reason for the interest in them and for their adoption.

3. Simple Cloud API is useful for applications written in ____________
a) PHP
b) Python
c) Scala
d) None of the mentioned

Answer: a
Clarification: Other methods may be needed to make applications easily portable.

4. The __________ solution creates a virtual application appliance as an architectural layer between the Windows or the UNIX operating system and applications.
a) AppOne
b) AppZero
c) AppSoft
d) None of the mentioned

Answer: b
Clarification: The running application in AppZero changes none of the registry entries or any of the files on the Windows Server.

5. Point out the wrong statement.
a) Cloud computing applications have the ability to run on virtual systems
b) Systems (VMs running applications), storage, and network assets cannot be virtualized
c) Applications that run in data centers are captive to the operating systems and hardware platforms that they run on
d) All of the mentioned

Answer: b
Clarification: VMs running applications have sufficient flexibility to give acceptable distributed WAN application performance.

6. _______ creates a container that encapsulates the application and all the application’s dependencies within a set of files.
a) VAA
b) VAS
c) VSA
d) None of the mentioned

Answer: a
Clarification: Dependencies include DLL, service settings, necessary configuration files, registry entries, and machine and network settings.

7. Which of the following layer serves as the mediator for file I/O, the memory I/O, and application calls and response to DLLs?
a) application
b) client
c) virtualization
d) none of the mentioned

Answer: c
Clarification: The running application in AppZero changes none of the registry entries or any of the files on the Windows Server.

8. Which of the following application delivery platform’s main focus is on desktop installations?
a) Microsoft App-V
b) Microsoft Hyper
c) Amazon EC2
d) All of the mentioned

Answer: a
Clarification: Installations can be done over the network after the AppZero application appliance is installed.

9. Which of the following is the most widely used technique for abstraction?
a) Load balancing
b) Load scheduling
c) Load scaling
d) All of the mentioned

Answer: a
Clarification: With load balancing, system requests are directed to appropriate systems on demand.

10. Which of the following is a potent cloud-building technology?
a) vSphere
b) HyperCube
c) vCube
d) All of the mentioned

Answer: a
Clarification: vSphere can create virtual machines, virtual datastores, and virtual networks, and move these resources about while the system is active.

Cloud Computing Multiple Choice Questions on “Microsoft Cloud Services”.

1. Which of the following service creates an application hosting environment?
a) EBS
b) Azure AppFabric
c) ESW
d) All of the mentioned

Answer: b
Clarification: AppFabric is a cloud-enabled version of the .NET Framework.

2. Point out the wrong statement.
a) Microsoft’s approach is to view cloud applications as software plus service
b) Microsoft calls their cloud operating system the Windows Platform
c) Azure is a combination of virtualized infrastructure to which the .NET Framework has been added as a set of .NET Services
d) None of the mentioned

Answer: d
Clarification: In SaaS model, the cloud is another platform and applications can run locally and access cloud services or run entirely in the cloud and be accessed by browsers using standard Service Oriented Architecture (SOA) protocols.

3. Which of the following is also known as Compute?
a) set of virtual machine instances
b) set of replicas
c) set of commodity servers
d) all of the mentioned

Answer: a
Clarification: Azure and its related services were built to allow developers to extend their applications into the cloud.

4. Database marketplace based on SQL Azure Database is code-named ________
a) Akamai
b) Dallas
c) Denali
d) None of the mentioned

Answer: b
Clarification: Azure is a virtualized infrastructure to which a set of additional enterprise services has been layered on top.

5. Point out the correct statement.
a) The Windows Azure service itself is a hosted environment of virtual machines enabled by a fabric called Windows Azure ApplicationFab
b) Windows Azure service is a Compliance as a Service offering
c) Windows Live Services is a collection of applications and services that run on the Web
d) All of the mentioned

Answer: c
Clarification: Some of these applications called Windows Live Essentials are add-ons to Windows and downloadable as applications.

6. ________ Live Services can be used in applications that run in the Azure cloud.
a) Microsoft
b) Windows
c) Yahoo
d) Ruby

Answer: b
Clarification: Windows Live Services is a collection of services that runs on Windows Live.

7. Which of the following is based on Microsoft Dynamics?
a) Static CRM
b) Social CRM
c) Dynamics CRM
d) None of the mentioned

Answer: c
Clarification: Dynamics CRM is an xRM (Anything Relations Management) service.

8. Which of the following is based on Microsoft Sharepoint?
a) Sharepoint Services
b) .NET Services
c) Windows Services
d) All of the mentioned

Answer: a
Clarification: A document and collaboration service based on SharePoint is called SharePoint Service.

9. Azure is Microsoft’s ___________ as a Service Web hosting service.
a) Platform
b) Software
c) Infrastructure
d) All of the mentioned

Answer: c
Clarification: Windows Azure Platform is a competitor to Google’s App Engine.

10. Which of the following is a pure infrastructure play?
a) Azure
b) Google App Engine
c) AWS
d) None of the mentioned

Answer: c
Clarification: Microsoft has a very different vision for cloud services than either Amazon or Google does.

Cloud Computing Multiple Choice Questions on “SOA Communications”.

1. Which of the following is used to aid for locating services in SOA?
a) catalog service
b) data abstraction services
c) data bus
d) all of the mentioned

Answer: a
Clarification: Service catalogs are dynamic and under constant modification.

2. Point out the correct statement.
a) An intranet is a network that is constructed through the consolidation of separate networks
b) The Information Technology Infrastructure Library (ITIL) is developed by the United Kingdom’s Office of Government Commerce (OGC)
c) Message passing in SOA requires the use of four different protocol types
d) All of the mentioned

Answer: b
Clarification: ITIL is the most widely accepted approach to IT service management in the world.

3. Which of the following catalog service requires some sort of synchronization or update to maintain a unified data store across the servers involved?
a) global
b) standalone
c) federated
d) all of the mentioned

Answer: a
Clarification: Global catalog service serves multiple sites.

4. How many different protocol types are required for message passing in SOA?
a) 1
b) 2
c) 3
d) 4

Answer: b
Clarification: Message passing in SOA requires the use of two different protocol types: the data interchange format and the network protocol that carries the message.

5. Point out the wrong statement.
a) An ESB is both necessary and essential to a Service Oriented Architecture
b) A client connected to an ESB communicates over a network protocol such as HTTP, Representational State Transfer (REST), or Java Message Service (JMS) to a component (or service)
c) Messages are most often in the form of the SMIL
d) None of the mentioned

Answer: c
Clarification: Messages are most often in the form of the eXtensible Markup Language (XML).

6. Which of the following combination is possible in WebSphere ESB?
a) XML/JMS
b) SOAP/JMS
c) SOAP/HTTP
d) Governance

Answer: b
Clarification: An ESB may require a variety of combinations in order to support communications between a service consumer and a service provider.

7. Which of the following statement is incorrect related to catalog servers?
a) They can be standalone catalog servers serving a single site
b) They cannot serve the role of a global catalog service where two or more catalog servers are merged to include several sites
c) They can be part of a federated catalog service
d) None of the mentioned

Answer: b
Clarification: Catalog services have an enormous impact on large system performance and eventually become essential as a SOA internetwork system grows.

8. Which of the following version of WSDL is a W3C standard?
a) 1.1
b) 2.3
c) 3.1
d) Governance

Answer: a
Clarification: The Web Service Description Language (WSDL) is one of the most commonly used XML protocols for messaging in Web services.

9. Which of the following essential object in WSDL is used to support message transfer?
a) bus
b) binding
c) type
d) none of the mentioned

Answer: b
Clarification: The binding is the description of the interface (e.g. RPC) and the transport (e.g. SOAP).

10. Which of the following object is used to describe the data, usually as part of the XML schema?
a) operation
b) prototype
c) types
d) none of the mentioned

Answer: c
Clarification: The prototype defines the capabilities of the Web service, and what operations are to be performed, as well as the messages that must be sent to support the operation.

Cloud Computing Multiple Choice Questions on “Cloud Backup Features”.

1. If you have a local version of a file, then a version of that file stored in the cloud conforms to all three of the ______ backup rules.
a) 3-2-1
b) One-two-three
c) 1-2-3
d) All of the mentioned

Answer: c
Clarification: Peter Krogh’s 3-2-1 Rule for data protection is a good one to follow.

2. Point out the correct statement.
a) Replication creates a copy of the data which is not synchronized
b) An archive removes older information that is no longer operational and saves it for long-term storage
c) Reverse delta backup allows a system to do what is referred to as a bare metal restore
d) All of the mentioned

Answer: b
Clarification: A backup creates a copy of the data whereas an archive removes older information.

3. Which of the following is the first rule according to 3-2-1 Backup Rule by Peter Krogh?
a) Retain three copies of any file—an original and two backups
b) Files must be on two different media types
c) One copy must be stored offsite
d) All of the mentioned

Answer: c
Clarification: Files must be on two different media types such as hard drives and optical media to protect against different types of hazards.

4. Which of the following is an incorrect feature of cloud storage backup solution?
a) Logon authentication
b) Low Encryption
c) Fast backup
d) None of the mentioned

Answer: b
Clarification: High Encryption is provided by Cloud Backup Storage.

5. Point out the wrong statement.
a) In a differential backup, the backup software can obtain the up-to-date backup from the last full backup and the last incremental backup alone
b) Incremental backup analyzes the transactions that are in progress
c) A cloud storage system contains a certain built-in latency, so unless the original data set is quiescent, the mirror lags behind the original in concurrency
d) None of the mentioned

Answer: b
Clarification: An open file backup analyzes the transactions that are in progress.

6. Which of the following is the most important feature of cloud storage listed below?
a) Logon authentication
b) Bare file
c) Multiplatform support
d) Adequate bandwidth

Answer: a
Clarification: The interactive logon process is the first step in user authentication and authorization.

7. How many bits of encryption is at least required for cloud backup storage solution?
a) 56
b) 84
c) 128
d) None of the mentioned

Answer: c
Clarification: High encryption of data transfers is carried out preferably end-to-end, but at least for the data that is transferred over the Internet.

8. Which of the following is the most important client to back up in the cloud?
a) Windows
b) Mac
c) Linux
d) All of the mentioned

Answer: d
Clarification: Cloud storage solution should have multiplatform support.

9. Which of the following service does not support backup on the Linux platform?
a) Backblaze
b) Crashplan
c) Datapreserve
d) ADrive

Answer: a
Clarification: Data backed up to the cloud cannot be viewed without adequate safeguards or restrictions due to legal regulations.

10. Which of the following is the least important feature of cloud storage listed below?
a) Multisite storage or replication
b) 24×7 technical support
c) Data versioning
d) All of the mentioned

Answer: a
Clarification: Data versioning has the ability to retrieve historical versions of files from different backups.