DRIVE SPRING 2019
PROGRAM Master of
Science in Information Technology
SEMESTER 3
SUBJECT CODE &
NAME
Mca511-WEB TECHNOLOGIES
SET 1
Q.1 List and explain protocols of internet. 2+8
Answer :
Protocols
of Internet :
The internet is based on a large number of protocols and conventions.
Internet protocols are popular open-system protocol suites. They are used to
communicate across interconnected networks. Each such protocol is explained in
the technical publication called a request for comment (RFC). Some well-known protocol like TCP, UDP and IP
are given below in detail:
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Qus:2 What are the various DHTML events that will be helpful to understand
event handling in DHTML?
Answer:
Advantages
of DHTML :
DHTML is more efficient for content management purposes. By
using the more dynamic XML to create pages, you will be able to import high
volumes of text and other information (with the use of templates) without
spending time coding pages individually. The result of this saves web designers
time because there are less files to maintain. XML has a lot of compatibility
and
Qus:3 How we can link a XML
document with DTD? Explain
10
Answer :
Linking
your XML document to a DTD
We created a DTD for an XML document, we need to link the
XML to the DTD. This takes place in the prolong of the XML document.
Remember that the prolong starts off with the XML
declaration:
<?xml version="1.0"
encoding="iso-8859-1"?>
SET 2
Qus.1 Describe various XMLHttpRequest object properties and
Methods. 5+5
Answer :
XMLHttpRequest
object properties and methods :
The XMLHttpRequest object exposes various properties,
methods, and events so script can process and control HTTP requests and
responses.The following table lists the members exposed by the
Qus:2 How we can use Ajax Using XML and XMLHttpRequest?
Answer:
Ajax Using XML
and XMLHttpRequest
The X in AJAX stands for XML. XML
got to be so popular because it is a text-based way of storing your data and
Internet is based on text transfer.
Writing our own XML is a lot like
writing our own HTML – we use tags, elements and attributes just as you do in
HTML. The crucial difference is that in XML, we make up our own element names.
For eg: in the below
Qus:3 Explain different types of
operators in PHP with example?
Answer:
In all programming
languages, operators are used to manipulate or perform operations on variables
and values. There are many operators used in PHP, so we have separated them
into the following categories to make it easier to learn them all.
1. Assignment
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DRIVE
SPRING 2019
PROGRAM
BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY - B.SC(IT)
SEMESTER
IV
SUBJECT CODE & NAME
MCA512 SOFTWARE ENGINEERING
Assignment Set -
1
Q.1 What are the principles of software
engineering?
10
Answer-
Principles
of Software Engineering-
Alan
Davis (1994) is one of the
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Q.2 Discuss the different phases of software
engineering 10
Answer-
Phases
of Software Engineering
In
the engineering domain, developing a solution to a given problem involves a
sequence of interconnected steps,
Q.3 Discuss briefly about waterfall
model.
10
Answer-
The
Waterfall Model was first Process Model to be introduced. It is very simple to
understand and use. In a Waterfall model, each phase must be completed before
the next phase can begin and there is no overlapping in the phases. Waterfall
model is the earliest SDLC approach that was used for software development.
Assignment Set - 2
Q.1 Discuss software characteristics.
10
Answer-
Software
is defined as a collection of programs, documentation and operating procedures.
The Institute of Electrical and Electronic Engineers (IEEE) defines software as
a 'collection of computer programs, procedures, rules
Q.2 Define software maintenance. List and
discuss the different types of software maintenance. 2+2+6
( 10 )
Answer-
Definition: Software maintenance is a part of
Software Development Life Cycle. Its main purpose is to modify and update
software
Q.3 Describe the objectives of Software
Engineering . 10
Answer-
Over the last 50 years
there has been revolutionary advancement in the field of technology, leading to
improvements in hardware performance and profound changes in computing
architectures. This advancement has led to the production of complex
computer-based systems that are capable of providing information in a wide
variety of formats. The increase in computer power has made unrealistic
computer applications a Its half solved only
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ASSIGNMENT
DRIVE SPRING 2019
PROGRAM MASTER OF COMPUTER
APPLICATION
SEMESTER V
SUBJECT CODE & NAME MCA5143–
Data Warehousing and Data Mining
Assignment Set -1
Q.1
Explain the key issues during data warehouse construction.
Differentiate
between data warehouse and OLTP databases.
5+5
Answer
:
Differences between OLTP and Data
Warehouse :
●
Application databases are OLTP (On-Line Transaction Processing)
systems where every transaction has to be recorded as and when it occurs.
Consider the scenario where a bank ATM has disbursed
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Q.2 Explain metadata classification.
Using suitable diagram show the relationship between metadata
classifications. 7+3
Answer
:
Metadata classification :
Before
gathering the overall collection strategy for metadata, the organization must
access metadata requirements. The method is iterative process with planned
intermittent release. It is the warehouse architect responsibility to define
and determine the scope and importance of metadata to be collected before a
strategy is put into place. It is the responsibility of the development team to
assign roles and responsibilities in the implementation, ownership and
maintenance of the data. In order to have
Q.3
Elaborate the basic tasks involve in data transformation. 10
Answer
:
Basic tasks involve in data
transformation :
Data
transformations are often the most complex and, in terms of processing time,
the most costly part of the ETL process. They can range from simple data
conversions to extremely complex data
Assignment Set -II
Q.1
Differentiate between the following:
(a)
Business Intelligence vs. Data warehouse 5
(b)
Business Intelligence vs. Data mining 5
Answer
:
BI versus Data Warehouse :
Data
Warehousing deals with all aspects of managing the development, implementation
and operation of a data warehouse or data mart including Meta data management,
data acquisition, data cleansing, data transformation, storage management, data
distribution, data archiving, operational reporting, analytical reporting,
security management, backup/recovery planning, etc. Business intelligence, on
the other hand, is a set of software tools that enable an organization to
analyze measurable aspects
Q.2
Explain the following:
(a)
Database Management Systems (DBMS) vs. Data Mining. 5
(b)
Data mining techniques. 5
Answer :
Data Mining Vs Database Management
System (DBMS) :
DBMS
stands for “Database Management System". This is the software that manages
data on physical storage devices. The software provides the ability to store,
access and modify the data. The software also provides a suite of utilities to
manage and monitor the performance on those actions against the data. Examples
of a DBMS would be Oracle, SQL/Server, DB2 and Informix in the relational
(RDBMS) world. We know that Data Base Management System (DBMS) supports query
Q.3
List and describe the categories of web mining. 10
Answer :
Categories of Web Mining :
Web
mining can be broadly defined as the discovery and analysis of useful
information from the World Wide Web. Web mining can be broadly divided into
three categories:
●
Web Content Mining
●
Web Structure Mining
●
Web Usage
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