Cloud Computing MCQs(Web Services, JAX-WS,REST)
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1 |
What is the purpose of XML in a web service? a) A web services takes the
help of XML to tag the data, format the data. b) A web service takes the
help of XML to transfer a message. c) A web service takes the help of XML to describe the
availability of service. d) None of the above. ANS)A
web services takes the help of XML to tag the data, format the data. |
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2 |
WSDL
stands for? a)
a) Web Services Description Language. b) b) Web Services Direction
Language. c) c) Wired Services Description Language. d) d) Web Services Dialect Language. ANS)
Web Services Description
Language. |
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3 |
Which of the following is correct about
UDDI? a) a) UDDI is seen with SOAP and WSDL as one of the three foundation
standards of web services. b) b) UDDI is an open industry initiative enabling businesses to
discover each other and define how they interact over the Internet. c) c) Both of the above. d) d) None of the above. ANS)
Both of the above. |
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4 |
The Service Transport layer is
responsible for transporting messages between applications. A) a) True b) False ANS)
True |
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5 |
__________
layer is responsible for describing the public interface to a specific web
service. a)
Service Discovery b)XML
Messaging c)Service
Description d)None
of the above ANS)Service
Description |
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6 |
BEEP stands for______ a)Blocks
Extensible Enhancement Protocol b)Blocks
Extend Exchange Protocol c)Blocks
Exchange Extensible Protocol d)Blocks
Extensible Exchange Protocol ANS)Blocks
Extensible Exchange Protocol |
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7 |
________
layer is responsible for
actually transporting XML messages between two computers. a) Service Protocol b)Service Messaging c)Service Transport d)Service Description ANS)Service Transport |
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8 |
Which
of the following is correct about
XML-RPC a)Requests are encoded in XML and
sent via HTTP POST. b)XML-RPC is platform-independent. c)XML-RPC is the easiest way to
get started with web services. d)All
of the above ANS)All
of the above |
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9 |
_________ is a simple protocol that uses XML messages to perform
RPCs. a)SOAP b)XML c)XML-RPC d)BEEP ANS)XML-RPC |
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10 |
Which
of the following statements is correct
about SOAP. a)SOAP is an XML-based protocol
for exchanging information between computers. b)SOAP is an XML-based language
for describing web services and how to access them. c)Both
a and b d)None
of the above ANS)SOAP is an XML-based protocol
for exchanging information between computers. |
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11 |
UDDI stands for __________. a) Universal Description, Discovery,
and Integration. b) Uniform Description, Discovery, and Integration. c) Universal Description, Discovery,
and Interference. d) Unique Description, Discovery, and
Integration. ANS)Universal Description, Discovery,
and Integration. |
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12 |
Three specific security issues with web
services. a)Confidentiality,Integration,Network
Security. b)Consistency,Authentication,Network
Security. c)Confidentiality,Authentication,Network
Security. d)None of the above. ANS)Confidentiality,Authentication,Network
Security. |
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13 |
Three major roles within the web
service architecture. a)Service Discovery,Service
Requestor,Service Registry. b)Service Provider,Service
Requestor,Service Registry. c)Service Provider,Service
Messaging,Service Registry. d)Service Provider,Service
Requestor,Service Description. ANS)Service Provider,Service
Requestor,Service Registry. |
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14 |
_________
is an XML-based standard for describing,
publishing, and finding web services. a)SOAP b)HTTP c)WSDL d)UDDI ANS)UDDI |
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15 |
Which of the following is true about Web service? a) It is available over the Internet
or private (intranet) networks. b) It uses a standardized
XML messaging system. c)It is not tied to any one
operating system or programming language. d) All of the above. ANS)All of the above. |
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16 |
Which layer of the TCP / IP stack corresponds to the OSI model
transport layer? a)Host to host b)Application c)Internet d)Network Access ANS)Host to Host |
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17 |
__________
layer of OSI model is responsible for moving the packets from source to
destination. a)Transport b)Application c)Data link d)Network ANS)Network |
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18 |
Which
of the following statement is correct
about Presentation layer. a)This layer is
also known as the syntax layer. b)It acts as a
data translator for a network. c)This layer is a
part of the operating system that converts the data from one presentation
format to another format. d)All
of the above ANS)All
of the above |
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19 |
Which layer is used to link the network
support layers and user support layers? a) Session layer b) Data link layer c) Transport layer d) Network layer ANS)Transport layer |
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20 |
TCP/IP model does not have ______ layer
but OSI model have this layer. a) Session layer b) Transport layer c) Application layer d) Network layer ANS)Session layer |
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21 |
Which layer is responsible for process
to process delivery in a general network model? a) Network layer b) Transport layer c) Session layer d) Data link layer ANS)Transport layer |
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22 |
Which address is used to identify a
process on a host by the transport layer? a) Physical address b) Logical address c) Port address d) Specific address ANS)Port address |
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23 |
Transmission data rate is decided by
____________ a) Network layer b) Physical layer c) Data link layer d) Transport layer ANS)Physical layer |
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24 |
IGMP
stands for________ a)
Internet Group Mail Protocol. b)
Internet Group Message Protocol. c)
Instant Group Message Protocol. d)None
of the above ANS)Internet
Group Message Protocol. |
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25 |
_______
protocol is used to get the physical address from the IP/logical address. a)ICMP b)IGMP c)RARP d)ARP ANS)ARP |
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26 |
A typical __________ program obtains a
remote reference to one or more remote objects on a server and then invokes
methods on them. a) Server b) Client c) Thread d) Concurrent ANS)Client |
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27 |
A remote object is an object whose
method can be invoked from another virtual environment. a) True b) False ANS)True |
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28 |
RMI stands for? a) Remote Mail Invocation b) Remote Message Invocation c) Remaining Method Invocation d) Remote Method Invocation ANS)Remote Method Invocation |
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29 |
A middleware layer between the stub
skeleton and transport. a) Remote layer b) Instruction layer c) Reference layer d) Remote reference layer ANS)Remote reference layer |
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30 |
A software that lies between the OS and
the applications running on it. a) Firmware b) Middleware c) Utility Software d) Application Software ANS) Middleware |
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31 |
What is the other name for object
middleware? a) Object request interface b) Object enabled interface c) Object Request broker d) Object enabled broker ANS)Object Request broker |
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32 |
Which
of the following are the major components of message in Messaging based
interprocess communication. a)Message
Header,Message Metadata, Message body b)Message
Header,Message Subject, Message body c)Message
Header,Message Metadata, Message block d)None
of the Above ANS)Message
Header,Message Metadata, Message body |
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33 |
____________ messaging is generally
implemented using message queue technique. a)
Synchronous b)
Asynchronous c)
Socket based d)Interprocess ANS)Asynchronous |
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34 |
MOM stands for______ a) Message Oriented
Middleware b) Mails
Oriented Middleware c) Middleware
of Messages d) Main
Object Middleware ANS) Message
Oriented Middleware |
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35 |
RPC provides a _________ on the client side, a separate
one for each remote procedure. a) Stub b) Identifier c) Name d) Process identifier ANS)Stub |
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36 |
Remote Procedure Calls are used
____________ a) for communication between two
processes remotely different from each other on the same system b) for communication between two
processes on the same system c) for communication between two
processes on separate systems d) none of the above ANS)for communication between two
processes on separate systems |
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37 |
__________ and _________ are the two
different kinds of classes used in RMI a)
Remote Classes,Synchronous Classes b)
Request Classes,Serializable Classes c)
Reference Classes,Serializable Classes d)
Remote Classes,Serializable Classes ANS)Remote
Classes,Serializable Classes |
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38 |
JMS supports messages that contain
_________ Java objects. a) nonserialized b) serialized c) dynamic d) None of the above ANS)serialized |
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39 |
Which are JMS messaging models? a)Publish-and-subscribe ,Point-to-point b)Store-and-forward,Point-to-point c)Store-and-forward,Peer-to-peer d)None of the above ANS)Publish-and-subscribe
,Point-to-point |
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40 |
A JMS message is composed of
__________. a)Header,Subject,Body b)Header,Properties,Block c)Header,Property,Footer d)Header,Properties,Body ANS)Header,Properties,Body |
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41 |
What is an advantage of XML compared to
HTML? a) XML works on more platforms. b) XML is suited to using Web pages as
front ends to databases. c) XML was designed for portable
phones. d) XML is simpler to learn than HTML. Ans: XML is suited to using Web pages
as front ends to databases. |
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42 |
What is the correct syntax of the
declaration which defines the XML version? a) <xml version="A.0"
/> b) <?xml
version="A.0"?> c) <?xml version="A.0"
/> d) None of the above ANS)<?xml
version="A.0"?> |
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43 |
Which are the ways used for describing
XML data. a)XML uses a DTD to describe the data b) XML uses XSL to describe data c) XML uses a description node to
describe data d) Both A and C ANS) Both A and C |
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44 |
XML uses the features of________ a) HTML b) XHTML c) VML d) SGML ANS) SGML |
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45 |
To use XSLT in an XML system a) the input and output of the XSLT
processor must be unparsed XML documents. b) the input and output of the XSLT
processor must be a hierarchical tree representing an XML document. c) the XSLT processor must be called
from a web agent. d) the XSLT processor must be given the
DTD as well as the XML document instance. ANS)the input and output of the XSLT
processor must be a hierarchical tree representing an XML document. |
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46 |
XML validated against a __________ is
considered as Valid XML. a)JQUERY b)PARSER c)DTD d)CFG ANS)DTD |
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47 |
Complex services exhibit coarse-grained
functionality and are A) stateless B) stateful C) both A and B D) None of
the above |
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48 |
SOAP is A) Simple Object Active Protocol B) Sample Object Access Protocol C) Sample Object Active Protocol D) Simple Object Access Protocol |
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49 |
If services can be invoked repeatedly
without having to maintain context or state they are called. A) Stateless B) Loosely coupled C) Stateful D) Tightly coupled |
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50 |
Informational services are A) stateless B) stateful
C) both A and B D) None of the
above |
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51 |
Services
that may require their context to be preserved from one invocation to the
next are called A) Loosely coupled B) Stateless C)
stateful D) Tightly coupled |
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52 |
Always end your
URI (or URL) with a ________ to avoid an extra trip to the server to
determine that it is a site rather than a directory. a.
Hyphen b. Backslash c. Double slash d. Slash
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53 |
Which is the default Transfer mode in WCF? a. Streamed c. StreamedRequest
b. Buffered d. StreamedResponse |
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54 |
Which of the following binding supports
Communication with callback? a. wsHttpBinding b. wsDualHttpBinding c. Both a and b
d. None
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55 |
Which namespace is
used in WCF for data serialization? a. System.Xml.Serialization b. System.Runtime.Serialization c. System.ServiceModel d. None |
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56 |
Which
of the following WCF binding does not support reliable session? a. wsHttpBinding b. netTcpBinding
c. basicHttpBinding d. wsDualHttpBinding
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57 |
WCF
attribute used to serialize Data Contract member variables? a. Serialize b. DataMember c. Data d. None
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58 |
WCF
Contract used to send information in soap message header? a. DataContract b. ServiceContract
c. MessageContract d. None
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59 |
WCF
supports Operation overloading by setting following operation contract
attribute?
c.
Overload d. None
of the above |
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60 |
9.
WCF attribute to define REST full Service? a. HttpGet b. WebGet c. Rest d. None
of the above |
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61 |
Which
contract supports Transaction Flow? a. Service b. Operation c. Message d. Data |
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62 |
Which of the following is NOT true? A) A
WCF Service can be consumed by Windows applications B) A
WCF Service can be consumed by Web applications C) A
WCF Service can perform calculations D) A WCF Service cannot return a dataset WCF services can communicate with
_______.
A) all
programming languages B) XML C) only
the languages included with Visual Studio .NET D) multiple platforms and multiple language |
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The
standard method for storing data that can be transferred easily from one
machine or platform to another is _______. A) XML B) SOAP C) WSDL D) WCF |
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64 |
Data
that is in _______ format can pass through many firewalls that _______ cannot
penetrate. A) binary,
text B) text, binary C) SOAP,
WCF D) WCF,
SOAP
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65 |
One
of the advantages of using _______ is that data are transmitted in a text format
rather than a binary format. A) XML B) SOAP C) WSDL D) WCF
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66 |
The
information about the names of the methods, the parameters that can be
passed, and the values that are returned from the functions is controlled in
some Web services by a description specified in _______. A) XML B) SOAP C) WSDL D) WCF
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67 |
A resource on the Web is uniquely identified
by its URI, which means _______. A) Uniform Resource Identifier B) Universal
Registered Identifier C) Uniform
Registered Identifier D) Universal
Resource Identifier
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68 |
To add a WCF Service,
select the solution name in the Solution Explorer and select _______ from
File menu. A) Add
/ New Solution B) Add / New Web Site C) Add
/ New Service D) Add
/ New Library
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69 |
You
have created a new service based on Windows Communication Foundation and also
a client application to test the service. You want add an endpoint in the
web.config file of the client application to use the new service. Which
values should you include in you service element of the web.config file? A. Address B. Contract C. Binding D. All of these
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70 |
A service contract specifies what an
endpoint communicates to the outside world. At a more concrete level, it is a
statement about a set of specific messages organized into basic message
exchange patterns (MEPs), such as request/reply, one-way, and duplex. Which
of the following is NOT part of the Service Contract specification: A. The data types of messages B. The specific protocols and serialization formats C. The location of the operations D. The frequency of messages per second
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71 |
Services
are groups of operations. To create a service contract you usually model
operations and specify their grouping. In Windows Communication Foundation
(WCF) applications, developers define the operations by creating a method and
marking it with the which attribute? A. ServiceContractAttribute B. DataMemberAttribute C. DataContractAttribute D. OperationContractAttribute
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72 |
You’ve created a new class
in your .NET project that contains a wide variety of operations grouped
together to form part of a Server Contract. You now need to add an attribute
to the class to define it as a service contract. Which attribute should you
use? A. OperationContractAttribute B. DataMemberAttribute C. DataContractAttribute D. ServiceContractAttribute
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73 |
Which
of the following is TRUE regarding service operations and references to
objects? A. Objects must be serializable B. You can’t return values from service operations C. Objects are passed as references D. You can’t pass parameters to service operations
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74 |
The
signature of a service operation dictates a certain underlying message
exchange pattern (MEP) that can support the data transfer and the features an
operation requires. You want to adopt a pattern that supports the sending and
receiving of messages by both the service and client. Which patter should you
choose? A. one-way B. none of these C. request/reply D. duplex
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75 |
Study
the following line of code: OperationContext.Current.GetCallbackChannel();
The ICalendarDuplexCallback interface is defined as the CallbackContract
property in the Service Contract. In which class should you use this line of
code? A. Client B. You should never use this C. Both D. Service
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76 |
Which
of the following is FALSE regarding the WSHttpBinding class? A. Provides WS-Addressing B. Provides un-encrypted messages by
default C. Provides reliable messaging D. Provides transactions
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77 |
In
Windows Communication Foundation (WCF) applications, which of the following
is FALSE regarding Sessions? A. Messages delivered during a session are processed in the
order in which they are received B. They are explicitly initiated and
terminated by the receiving application C. There is no general data store associated with a WCF
session D. Sessions correlate a group of messages into a conversation
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78 |
Which
class in WCF represents the unit of communication between endpoints in a
distributed environment? A. RequestContext B. Message C. Binding D. ChannelBase
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79 |
When
a new project is added to a WCF Service solution, the projects are saved
independently. A) True B) False
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80 |
To
rename a Web Service you need to change only the name in the Solution
Explorer. A) True B) False
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81 |
The
transport protocol used by SOAP is HTTP. A) True B) False
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82 |
For
technical specifications, the industry standard term URL is preferred to URI. A) True B) False
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83 |
WSDL
contains information about the names of the methods, the parameters that can
be passed, and the values that are returned from the functions. A) True B) False
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84 |
Data
that is in binary format can pass through any firewall. A) True B) False
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85 |
An
endpoint indicates where messages can be sent (address). A) True B) False
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86 |
It
is possible for a single application to be both a client and a service. A) True B) False
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Reviewed by Asst. Prof. Sunita Rai, Computer Sci.. Dept., G.N. Khalsa College, Mumbai
on
January 11, 2022
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