Category: Cloud Computing Objective Questions

Ttough Cloud Computing Questions on “Video Streaming – 2”.

1. Which of the following is also known as MPEG-4 AVC?
a) MPEG-4 Part 9
b) MPEG-4 Part 10
c) MPEG-4 Part 11
d) None of the mentioned

Answer: b
Clarification: AVC stands for Advanced Video Coding.

2. Point out the wrong statement.
a) Video streaming is a high data-rate transfer activity that benefits greatly from the cloud
b) Very few video services are already cloud-based
c) Audio streaming has enabled low-cost distribution of news and entertainment
d) All of the mentioned

Answer: d
Clarification: Many video services are already cloud-based.

3. ITU-T Video Coding Experts Group (VCEG) and the ISO/IEC Moving Picture Experts Group (MPEG) created the __________ standard.
a) JVM
b) JVT
c) JVS
d) All of the mentioned

Answer: b
Clarification: Both standards are technically identical.

4. Which of the following format is not suitable for cloud-based implementation meant for large audiences?
a) H.263
b) MPEG-4 Part 10
c) H.264
d) All of the mentioned

Answer: c
Clarification: Older and less capable formats such as H.263, MPEG-4 Part 2, and MPEP-2 are still in use.

5. Point out the wrong statement.
a) In order to support a range of devices, the Advanced Video Coding defines a set of profiles to support specific device types
b) The profiles in most widespread use are Main and High, with the Baseline and Extended profiles in use for mobile devices
c) The codec that compresses/decompresses the video content uses a block-oriented motion-compensation scheme
d) None of the mentioned

Answer: d
Clarification: H.264 defines a standard for encoding content, but that the implementation of a codec can vary.

6. Which of the following uses the Vorbis audio codec and the Matroska container file structure?
a) WebM
b) MP4
c) MP3
d) None of the mentioned

Answer: a
Clarification: This container file format is encoded/decoded by the VP8 video codec, which was developed by On2 and now owned by Google.

7. ________ is the iconic flash video-sharing service now owned by Google.
a) BBC
b) CGS
c) YouTube
d) None of the mentioned

Answer: c
Clarification: To use YouTube inside a browser, you need to have Adobe Flash installed on your computer.

8. YouTube Mobile uses ___________ streaming to make video available on other mobile phone platforms.
a) RTP
b) RTSP
c) RTCP
d) All of the mentioned

Answer: b
Clarification: YouTube has developed a simplified interface for TV display called YouTube XL.

9. Which of the following is an open-source royalty-free media file format that has been optimized for the Web?
a) WebM
b) MP4
c) MP3
d) None of the mentioned

Answer: a
Clarification: It can also be used to carry HTML5 content.

10. Which of the following video format can be uploaded on Youtube?
a) OGV
b) OGG
c) DivX
d) All of the mentioned

Answer: d
Clarification: Ogg is a free, open container format maintained by the Xiph.Org Foundation.

Cloud Computing Multiple Choice Questions and Answers for freshers focuses on “Cloud Computing Costs”.

1. ______ sizing is possible when the system load is cyclical or in some cases when there are predictable bursts or spikes in the load.
a) Left
b) Right
c) Top
d) All of the mentioned

Answer: b
Clarification: You encounter cyclical loads in many public facing commercial ventures with seasonal demands, when the load is affected by time zones.

2. Point out the correct statement.
a) A standard machine instance (virtual computer) might cost $0.10 or less an hour
b) A typical storage charge might be $0.10 per GB/month
c) Outsourcing shifts the burden of capital expenditures onto the service provider
d) All of the mentioned

Answer: d
Clarification: In reality, the major cloud providers provide machine instances in small slices that can be added within five minutes or less.

3. _____ is a financial estimate for the costs of the use of a product or service over its lifetime.
a) TCO
b) TOC
c) COT
d) All of the mentioned

Answer: a
Clarification: TCO stands for Total Cost of Ownership.

4. The Microsoft ____ Platform ROI wizard provides a quick and dirty analysis of your TCO for a cloud deployment on Windows Azure in an attractive report format.
a) AWS
b) EC2
c) Azure
d) All of the mentioned

Answer: c
Clarification: A better metric for enterprises is captured by a Return on Investment or ROI calculation.

5. Point out the wrong statement.
a) TCO must account for the real costs of items, but frequently they do not
b) A system consumes resources such as space in a datacenter or portion of your site, power, cooling, and management
c) Microsoft maintains an economics page for its Windows Azure Platform
d) None of the mentioned

Answer: d
Clarification: When you account for monitoring and management of systems, you must account for the burdened cost of an IT employee, the cost of the hardware and software that is used for management, and other hidden costs.

6. A ________ Level Agreement (SLA) is the contract for performance negotiated between you and a service provider.
a) Service
b) Application
c) Deployment
d) All of the mentioned

Answer: a
Clarification: In the early days of cloud computing, all SLAs were negotiated between a client and the provider.

7. Which of the following is specified parameter of SLA?
a) Response times
b) Responsibilities of each party
c) Warranties
d) All of the mentioned

Answer: d
Clarification: Some SLAs are enforceable as contracts.

8. When you purchase shrink-wrapped software, you are using that software based on a licensing agreement called ________
a) EULA
b) EUL
c) ELA
d) All of the mentioned

Answer: a
Clarification: EULA stands for End User License Agreement.

9. Cloud computing shifts capital expenditures into ________ expenditures.
a) operating
b) service
c) local
d) none of the mentioned

Answer: a
Clarification: Cloud computing changes the nature of the service provider and its relationship to its client.

10. Which of the following service is used for backing up a licensed computer?
a) CarbonT
b) Karbonite
c) Carbonite
d) None of the mentioned

Answer: c
Clarification: Cloud computing applications rarely use machine licenses when the application is meant to be ubiquitous.

Cloud Computing Multiple Choice Questions on “Capacity Planning”.

1. Which of the following is the hardest factor to determine?
a) Network performance
b) Network capacity
c) Network delay
d) All of the mentioned

Answer: b
Clarification: It is the goal of a capacity planner to identify the critical resource that has this resource ceiling and add more resources to move the bottleneck to higher levels of demand.

2. Point out the correct statement.
a) Capacity planning seeks to match demand to available resources
b) Capacity planning examines what systems are in place, measures their performance, and determines patterns in usage that enables the planner to predict demand
c) Resources are provisioned and allocated to meet demand
d) All of the mentioned

Answer: d
Clarification: Performance tuning and optimization is not a primary goal of capacity planners.

3. What is the relation of the capacity attribute to performance?
a) same
b) different
c) similar
d) none of the mentioned

Answer: b
Clarification: With capacity, you are concerned about how much work a system can do, whereas with performance, you are concerned with the rate at which work gets done.

4. What does L in LAMP stands for?
a) Lamp
b) Linux
c) Lone
d) None of the mentioned

Answer: b
Clarification: LAMP stacks based on Red Hat Linux are more common than the other distributions.

5. Point out the wrong statement.
a) Network capacity is one of the easiest factors to determine
b) A system uses resources to satisfy cloud computing demands that include processor, memory, storage, and network capacity
c) Scaling a system can be done by scaling up vertically to more powerful systems
d) All of the mentioned

Answer: a
Clarification: Network performance is affected by the network I/O at the server, network traffic from the cloud to Internet service providers, and over the last mile from ISPs to homes and offices.

6. Which of the following is one of the major categories of Amazon Machine Instances that you can create on the Amazon Web Service?
a) WAMP
b) XAMPP
c) LAMP
d) None of the mentioned

Answer: c
Clarification: On Amazon Web Services, machine instances are offered for both Red Hat Linux and for Ubuntu.

7. Which of the following is used as a substitute for PHP as a scripting language in LAMP?
a) Scala
b) Perl
c) Ruby
d) None of the mentioned

Answer: b
Clarification: Either Perl or Python is often substituted for PHP as the scripting language used.

8. Which of the following RDBMS is used by LAMP?
a) SQL Server
b) DB2
c) MySQL
d) All of the mentioned

Answer: c
Clarification: MySQL is the database server developed by the Swedish company MySQL AB, owned by Oracle Corporation through its acquisition of Sun Microsystems.

9. Which of the following is a critical step in capacity planning?
a) Predict the future based on historical trends and other factors
b) Load the system until it is overloaded
c) Deploy or tear down resources to meet your predictions
d) All of the mentioned

Answer: b
Clarification: Knowing when systems fail under load and what factor(s) is responsible for the failure is the critical step in capacity planning.

Questions & Answers on “Windows Azure Platform”.

1. Which of the following standard does Azure use?
a) REST
b) XML
c) HTML
d) All of the mentioned

Answer: d
Clarification: The Azure Windows Services Platform API uses the industry standard REST, HTTP, and XML protocols that are part of any Service Oriented Architecture cloud infrastructure to allow applications to talk to Azure.

2. Point out the wrong statement.
a) An Amazon Machine Image can be provisioned with an operating system, an enterprise application, or application stack
b) AWS is a deployment enabler
c) Google Apps lets you create a scalable cloud-based application
d) None of the mentioned

Answer: d
Clarification: Google application can only work within the Google infrastructure, and the application is not easily ported to other environments.

3. What does IPsec in the Azure platform refer to?
a) Internet Protocol Security protocol suite
b) Internet Standard
c) Commodity servers
d) All of the mentioned

Answer: a
Clarification: IPsec refers to the Internet Protocol Security protocol suite for creating a secure Internet connection between two endpoints.

4. Which of the following web applications can be deployed with Azure?
a) ASP.NET
b) PHP
c) WCF
d) All of the mentioned

Answer: d
Clarification: Microsoft also has released SDKs for both Java and Ruby to allow applications written in those languages to place calls to the Azure Service Platform API to the AppFabric Service.

5. Point out the correct statement.
a) The Windows Azure service it The Windows Azure Platform allows a developer to modify his application so it can run in the cloud on virtual machines hosted in Microsoft datacenters
b) Windows Azure serves as a cloud operating system
c) With Azure’s architecture, an application can run locally, run in the cloud, or some combination of both
d) All of the mentioned

Answer: d
Clarification: Applications on Azure can be run as applications, as background processes or services, or as both.

6. A _________ role is a virtual machine instance running the Microsoft IIS Web server that can accept and respond to HTTP or HTTPS requests.
a) Web
b) Server
c) Worker
d) Client

Answer: a
Clarification: Worker roles can communicate with Azure Storage or through direct connections to clients.

7. Which of the following element allows you to create and manage virtual machines that serve either in a Web role and a Worker role?
a) Compute
b) Application
c) Storage
d) None of the mentioned

Answer: a
Clarification: Compute is the load-balanced Windows server computation and policy engine.

8. Which of the following element is a non-relational storage system for large-scale storage?
a) Compute
b) Application
c) Storage
d) None of the mentioned

Answer: c
Clarification: Azure Storage Service lets you create drives, manage queues, and store BLOBs.

9. Azure Storage plays the same role in Azure that ______ plays in Amazon Web Services.
a) S3
b) EC2
c) EC3
d) All of the mentioned

Answer: a
Clarification: For relational database services, SQL Azure may be used.

10. Which of the following element in Azure stands for management service?
a) config
b) application
c) virtual machines
d) none of the mentioned

Answer: a
Clarification: Virtual machines are instances of Windows that run the applications and services that are part of a particular deployment.

Cloud Computing Multiple Choice Questions on “Business Process Modeling”.

1. Which of the following architecture is shown in the following figure?

Service Oriented Modelling practice

Modelling Environments

Modelling Solutions

Best Practices

a) SOMF 2.0
b) SOMF 4.0
c) SOMF 3.5
d) None of the mentioned

Answer: a
Clarification: A service in SOMF that is granular and very narrow in scope is referred to as an atomic service.

2. Point out the correct statement.
a) The service object is a container where the service resides
b) The port or endpoint is the unique address of the service
c) The message content is the data and metadata that the service operation is performed on
d) All of the mentioned

Answer: d
Clarification: Each message may consist of one or more parts, and each part must include typing information.

3. Which of the following is the language standard for Web service interactions?
a) WS-BPEL
b) WS-XML
c) WS-JSON
d) All of the mentioned

Answer: a
Clarification: BPEL is a meta-language comprised of two functions.

4. Which of the following messaging protocol is used with XML in BPEL?
a) WS-Coordination
b) WS-Addressing
c) WS-Transactions
d) All of the mentioned

Answer: d
Clarification: BPEL uses XML with specific support for messaging protocols.

5. Point out the wrong statement.
a) XML schema cannot be separate files
b) A WSDL file contains essential message data for a transaction
c) A service contract codifies the relationship between the data to be processed and also the metadata that accompanies that data
d) None of the mentioned

Answer: a
Clarification: The XML document sets up the namespace, defines the interface, specifies the binding, names the service, provides the documentation for the service, and then supplies a schema that may be used to validate the document.

6. Which of the following statement is incorrect related to BPEL?
a) Data functions in BPEL support process data and control flow
b) BPEL includes techniques for error handling and scopes transactions
c) BPEL uses Web services for standards and to assemble and decompose processes
d) None of the mentioned

Answer: d
Clarification: BPEL does not have a graphical component.

7. _______ is a methodology for representing business processes as a set of connected visual objects.
a) BPNM
b) BPMN
c) BPMM
d) BPNN

Answer: b
Clarification: BPMN stands for Business Process Modeling Notation.

8. Which of the following system models creates a graphical representation of software systems in the form of a set of diagram types?
a) SysML
b) UML
c) XMI
d) None of the mentioned

Answer: b
Clarification: UML is widely used in the industry for software system modeling.

Cloud Computing Multiple Choice Questions on “Cloud Data Management Interface”.

1. Which of the following sells a server referred to as Cloud Attached Storage?
a) CEAT
b) CTERA
c) OCCI
d) All of the mentioned

Answer: b
Clarification: Cloud Attached Storage is meant for the Small and Medium Business.

2. Point out the correct statement.
a) The CTERA Cloud Attached Storage backup server has the attributes of a NAS
b) CDMI removes older information that is no longer operational and saves it for long-term storage
c) OCMI cloud backup provides a solution that optimizes the backup based on bandwidth availability
d) All of the mentioned

Answer: a
Clarification: Backed up data may be shared between users.

3. The development of systems on a chip has enabled CTERA to create a scaled-down version of the CTERA server called the CTERA __________
a) CloudPlug
b) NextCloud
c) CloudNext
d) All of the mentioned

Answer: a
Clarification: This palm-sized low-power device converts a USB/eSATA drive and your Ethernet network and turns the hard drive into a NAS server.

4. Which of the following filesystem can be backed up by CloudPlug?
a) NTFS
b) FAT32
c) EXT3
d) All of the mentioned

Answer: d
Clarification: Laptops may be backed up from any location because they are assigned a roaming profile with dynamic IP support.

5. Point out the wrong statement.
a) Clients have browser-based access to the backups or can locally access files using CTERA “Virtual Cloud Drive” network drive
b) CloudPlug performs backup and synchronization services and then performs automated or on-demand backups and snapshots of your systems
c) CloudPlug uses UPnP (Universal Plug and Play) and Bonjour to discover systems on the network
d) None of the mentioned

Answer: d
Clarification: The software works with Microsoft Active Directory and allows for role-based user access.

6. Which of the following is the open cloud storage management standard by SNIA?
a) CDMI
b) OCCI
c) CEA
d) Adequate bandwidth

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

7. Which of the following standard uses the same authorization and authentication mechanism as CDMI?
a) SIA
b) NFS
c) NTFS
d) None of the mentioned

Answer: b
Clarification: CDMI includes commands that allow applications to access cloud storage and create, retrieve, update, and delete data objects.

8. While working with the storage domain model, CDMI allows for interoperation of which of the following clouds?
a) public
b) private
c) hybrid
d) all of the mentioned

Answer: d
Clarification: The CDMI data object can manage CDMI containers, as well as containers that are accessible in cloud storage through other supported protocols.

9. In the Cloud Data Management Interface (CDMI), the storage space is partitioned into units called _________
a) containers
b) workspace
c) replicas
d) none of the mentioned

Answer: a
Clarification: A container stores a set of data in it and serves as the named object upon which data service operations are performed.

10. Which of the following server performs the backups of clients without requiring any client-based software?
a) Next3
b) OBackup
c) CTERA
d) All of the mentioned

Answer: c
Clarification: CTERA cloud backup performs incremental backups from the server, compressing and encrypting the data that is transmitted to CTERA cloud storage servers where deduplication is performed.