Multiple Choice Questions and Answers on IaaS of Cloud Computing for Freshers

1. Which of the following is a virtual machine technology now owned by Oracle that can run various operating systems ?

a) Vmachines
b) VirtualBox
c) ThoughtPolice
d) None of the mentioned
Answer: b

Explanation: VirtualBox serves as a host for a variety of virtual appliances.
2. Point out the correct statement :

a) JumpIt is an open-source virtual appliance installation and management service
b) Converting a virtual appliance from one platform to another is easy proposition
c) Nearly all major virtualization platform vendors support OVF, notably VMware, Microsoft, Oracle, and Citrix
d) All of the mentioned
Answer: c

Explanation: Efforts are underway to create file format standards for these types of objects that make the task easier.
3. Which of the following lets a Web service advertise itself in terms of a collection of endpoints ?

a) WSDL
b) VMc
c) SOAP
d) All of the mentioned
Answer: a

Explanation: The most commonly used model for discovery and description used with SOAP messaging is the Web Services Description Language (WSDL).
4. Which of the following is a specification for multicast discovery on a LAN ?

a) WS-Agent
b) WS-Discovery
c) WS-SOAP
d) All of the mentioned
Answer: b

Explanation: WS-Discovery stands for Web Services Dynamic Discovery specification.
5. Point out the wrong statement :

a) Cloud computing arises from services available over the Internet communicating
b) XML-RPC uses platform-independent XML data to encode program calls that are transported over HTTP
c) SOAP uses JSON for its messages and uses RPC and HTTP for message passing
d) None of the mentioned
Answer: c

Explanation: SOAP forms the basis for most of the Web services stacks.
6. _________ as a Service is a cloud computing infrastructure that creates a development environment upon which applications may be build.

a) Infrastructure
b) Service
c) Platform
d) All of the mentioned
Answer: c

Explanation: PaaS provides a model that can be used to create or augment complex applications such as Customer Relation Management (CRM) or Enterprise Resource Planning (ERP) systems.
7. _________ is a cloud computing service model in which hardware is virtualized in the cloud.

a) IaaS
b) CaaS
c) PaaS
d) None of the mentioned
Answer: a

Explanation: In this particular model, the service vendor owns the equipment: servers, storage, network infrastructure, and so forth.
8. Which of the following is fundamental unit of virtualized client in an IaaS deployment ?

a) workunit
b) workspace
c) workload
d) all of the mentioned
Answer: c

Explanation: A workload simulates the ability of a certain type of real or physical server to do an amount of work.
9. How many types of virtual private server instances are partitioned in an IaaS stack ?

a) one
b) two
c) three
d) all of the mentioned
Answer: c

Explanation: The three workloads require three different sizes of computers: small, medium, and large.
10. Which of the following correctly represents cloud computing ecosystem ?
a)
Business Process
Application Services
Platform Services
Infrastructure Services
b)
Application Process
Business Services
Platform Services
Infrastructure Services
c)
Application Process
Infrastructure Services
Platform Services
Infrastructure Services

d)
Business Process
Application Services
Infrastructure Services
Platform Services

Answer: a

Explanation: You can broadly partition cloud computing into four layers that form a cloud computing ecosystem.
11. Which of the following content is allowed as per virtual appliance block diagram shown below ?
cloud-computing-questions-answers-experienced-q1
a) Table
b) Image
c) Documents
d) All of the mentioned
Answer: d

Explanation: Content can be structured or unstructured in virtual appliance.
12. Point out the correct statement :

a) WS-+ services carried over XML messages using the SOAP protocol access remote server applications
b) REST stands for Representational State Transfer
c) A transaction following the rules of SOAP is considered to be RESTful
d) All of the mentioned
Answer: b

Explanation: REST assigns a global identifier to a resource so there is a uniform method for accessing information sources.
13. Which of the following is based on the IETF Session Initiation Protocol ?

a) WSDL
b) SIMPLE
c) SOAP
d) All of the mentioned
Answer: b

Explanation: SIMPLE is an open standard protocol.
14. Which of the following is a a third-party VPN based on Google’s GoogleTalk ?

a) Hotspot VPN
b) Gbridge
c) AnchorFree Hotspot Shield
d) All of the mentioned
Answer: b

Explanation: Gbridge is an interesting solution that illustrates the use of VPN over a cloud connection.
15. Point out the wrong statement :

a) Atom is a syndication format that allows for HTTP protocols to create and update information
b) Cloud services span the gamut of computer applications
c) The impact of cloud computing on network communication is to discourage the use of open-network protocols in place of proprietary protocols
d) None of the mentioned
Answer: c

Explanation: Microsoft’s ADO.NET Data Services Framework is another system for transferring data using a RESTful transaction and standard HTTP commands.
16. Which of the following is classic example of an IaaS service model ?

a) AWS
b) Azure
c) Cloudera
d) All of the mentioned
Answer: a

Explanation: AWS has several data centers in which servers run on top of a virtualization platform (Xen).
17. _________ is designed specifically to run connected to the cloud as a dedicated cloud client.

a) Harvera Tablet OS
b) Fedora Netbook OS
c) Jolicloud Netbook OS
d) None of the mentioned
Answer: c

Explanation: Jolicloud concentrates on building a social platform with automatic software updates and installs.
18. Which of the following is management console in AWS ?

a) CSC
b) CCS
c) CSS
d) All of the mentioned
Answer: b

Explanation: Pods are managed by a Cloud Control System (CCS).
19. A group of users within a particular instance is called :

a) suser
b) pod
c) superuser
d) all of the mentioned
Answer: b

Explanation: Sizing limitations for pods need to be accounted for if you are building a large cloud-based application.
20. Pods are aggregated into pools within an IaaS region or site called an _________ zone.

a) restricted
b) unavail
c) availability
d) none of the mentioned
Answer: c

Explanation: In very large cloud computing networks, when systems fail, they fail on a pod-by-pod basis, and often on a zone-by-zone basis.

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