This set of Interview Questions and Answers focuses on “IaaS – Infrastructure as a Service – 1”.
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
View Answer
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
View Answer
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
View Answer
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
View Answer
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
View Answer
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
View Answer
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
View Answer
Explanation: In this particular model, the service vendor owns the equipment: servers, storage, network infrastructure, and so forth.
8. Which of the following is the fundamental unit of virtualized client in an IaaS deployment?
a) workunit
b) workspace
c) workload
d) all of the mentioned
View Answer
Explanation: A workload simulates the ability of a certain type of real or physical server to do any 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
View Answer
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 |
Explanation: You can broadly partition cloud computing into four layers that form a cloud computing ecosystem.
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