WorksheetsModule 1 : Cloud Computing
Total questions: 15
Worksheet time: 8mins
Which of the following best describes cloud computing?
Delivery of computing services over a private LAN
Delivery of computing services—servers, storage, databases—over the internet
A type of virtual memory management
Only a method for hosting web applications
Which cloud service model provides both hardware and software tools for application development?
IaaS
PaaS
SaaS
FaaS
Elasticity in cloud computing refers to:
Ability to run only one application
The cost-saving strategy using coupons
Automatic scaling of resources based on demand
Storing more data on local systems
Which of the following is NOT a characteristic of cloud computing?
On-demand self-service
Broad network access
Rapid elasticity
Manual resource allocation
Distributed computing mainly focuses on:
Running multiple tasks in the same processor
Running tasks on multiple networked computers
Increasing CPU speed
Running tasks only on cloud servers
Parallel computing improves performance by:
Running tasks sequentially
Using multiple processors to execute tasks simultaneously
Replacing hardware with virtual machines
Using slower processors
Which part of a SOAP message contains metadata like authentication tokens?
SOAP Body
SOAP Header
SOAP Envelope
SOAP Transport
SOAP Envelope is used to:
Encrypt SOAP messages
Define start and end of a SOAP message
Store WSDL definitions
Store WSDL definitions
SOAP messaging architecture relies on:
XML-based messaging
Binary data only
HTML forms
JSON messages only
In RESTful services, data format most commonly used is:
XML only
JSON
Binary
SQL files
Which of the following is a key characteristic of virtualization?
Tight coupling between hardware and OS
Isolation between multiple virtual machines
Applications must run natively
Only supports Windows systems
Which is an advantage of virtualization?
Increased hardware costs
Higher energy consumption
Efficient resource utilization
Requires separate hardware for each OS
oVirt is used for:
Writing Java programs
Managing virtualization clusters and VMs
Creating Android apps
Monitoring databases
Cloud computing allows users to:
Buy new hardware frequently
Access resources over the internet
Use only offline applications
Share data only through USB
Which HTTP method is commonly used to retrieve data in REST?
POST
PUT
GET
DELETE
