Computer Network importent question

UNIT I


1. Explain in detail the error detection and error corrections.(UQ)
2. Discuss in detail about the layers of OSI model. (UQ)
3. Discuss in detail about HDLC.
4. Discuss in detail about SONET.
5. Explain the different approaches of framing in detail.
6. Write the Sliding Window Algorithm and explain it in detail.
7. Compare Stop and Wait ARQ scheme with sliding window ARQ scheme.
8. Write in detail about the flow control mechanisms.
UNIT II
1. Name the four basic network topologies and explain them giving all the relevant features.(UQ)
2. Explain the functioning of wireless LAN in detail.(UQ)
3. Explain Ethernet in detail.
4. Discuss the frame format of token ring in detail.
5. Differentiate FDDI from token ring
6. Write in detail about Resilient Packet Ring.
7. Write short notes on WI-Fi,Wi-Max.
8. Write short notes on Cellphone technologies.


UNIT III
1. Write notes on the following(UQ)
(i) Internet protocol.
(ii) Routers.
2. Discuss in detail the various aspects of IPV6. (UQ)
3. What are the different approaches in Packet Switching.Explain them in detail.
4. Write in detail about bridges.
5. Discuss the spanning tree algorithm in detail.
6. What are the limitations of bridges.
7. Explain in detail the ATM cell format.
8. Explain about the different AAL protocols.
9. Discuss DHCP in detail.
10. Explain Distance Vector routing in detail.
11. Explain OSPF in detail.
12. Discuss RIP in detail.
13. Problems in subnetting.
14. Write short notes on the following
i. Broadcasting
ii. Multicasting
iii. ARP
iv. RARP

UNIT IV
1. With neat architecture, explain TCP in detail.
2. Explain adaptive flow control in detail and its uses.
3. With neat architecture, explain UDP in detail.
4. Discuss the different Queuing Discipline in detail.
5. Explain the Congestion Avoidance techniques in detail.
6. Explain TCP Congestion control techniques in detail.
7. Explain how QoS is provided through Integrated Services.
8. Explain how QoS is provided through Differentiated Services.


UNIT V
1. Explain the SMTP and HTTP. Give their uses, state strengths and weaknesses.
2. Explain the role of a DNS on a computer network.
3. Explain Email protocols in detail.
4. Discuss FTP in detail.
5. Discuss SNMP and Telnet in detail.
6. Write short notes on
i. PGP
ii. SSH

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Fundamentals of computer and progrmming

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UNIT-1

• Basic computer organization with suitable diagram?
• Generation of computer?
• Number conversion?

UNIT-2

• What are the steps involved in software development?
• Explain the types of software?

UNIT-3

• Write an algorithm to compute the factorial of a n number?
• Explain about the wordprocessor and spreadsheet? 

UNIT-4

• Write a c program to prime or not,odd or even,factorial of given number?
• Explain briefly the formatted and unformatted I/O function in 'c'?
• Explain the branching,looping,if conditions?
• Explain the operator of c?

UNIT-5

• Write a c program display the student(20 student) details using structure?
• Write a c program to find the factorial of a given number using recursion?
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• ALL  THE BEST DO WEL
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Data Base Management System

UNIT-1

·        Explain the  structure  of the DBMS?

·        Draw an E-R diagram for a marketing company database assuming own data requirement?

·        With neat sketch discuss the three-schema architecture of DBMS?

UNIT-2

·        what are the relation algebra operation supported in SQL?

·        Data integrity and explain its type?

UNIT-3

·        Normalization  form(explain each)?

·        Pitfalls in database design?

UNIT-4

·         Explain the concept of serializability?

·         Explain about deadlock prevention schemes?

UNIT-5

·         list the different levels in RAID technology?

·         explain query evaluation engine?

 ALL THE BEST

A

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importent Topics for Operating System(regulation 2008)

UNIT-1

• process concept (process state,PCB,Threads)
• Inter Process Communication(IPC)

UNIT-2

• Scheduling Algorithms
• Critical Section Problem
• DeadLocks

UNIT-3

• Paging and Segmentation
• Paging Replacement problem(FIFO,OPTIMAL,LRU)

UNIT-4

• Access Method,Allocation Method
• Directory Structure

UNIT-5

• Disk Sheduling
• RAID Level

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HTML tag's

HTML Tags Chart

To use any of the following HTML tags, simply select the HTML code you'd like and copy and paste it into your web page.

Tag	Name	Code Example	Browser View
<!--	comment	<!--This can be viewed in the HTML part of a document-->	Nothing will show (Tip)
<a -	anchor	<a href="http://www.domain.com/"> Visit Our Site</a>	Visit Our Site (Tip)
<b>	bold	<b>Example</b>	Example
<big>	big (text)	<big>Example</big>	Example (Tip)
<body>	body of HTML document	<body>The content of your HTML page</body>	Contents of your web page (Tip)
<br>	line break	The contents of your page<br>The contents of your page	The contents of your web page The contents of your web page
<center>	center	<center>This will center your contents</center>	This will center your contents
<dd>	definition description	<dl> <dt>Definition Term</dt> <dd>Definition of the term</dd> <dt>Definition Term</dt> <dd>Definition of the term</dd> </dl>	Definition Term Definition of the term Definition Term Definition of the term
<dl>	definition list	<dl> <dt>Definition Term</dt> <dd>Definition of the term</dd> <dt>Definition Term</dt> <dd>Definition of the term</dd> </dl>	Definition Term Definition of the term Definition Term Definition of the term
<dt>	definition term	<dl> <dt>Definition Term</dt> <dd>Definition of the term</dd> <dt>Definition Term</dt> <dd>Definition of the term</dd> </dl>	Definition Term Definition of the term Definition Term Definition of the term
<em>	emphasis	This is an <em>Example</em> of using the emphasis tag	This is an Example of using the emphasis tag
<embed>	embed object	<embed src="yourfile.mid" width="100%" height="60" align="center">	(Tip)
<embed>	embed object	<embed src="yourfile.mid" autostart="true" hidden="false" loop="false"> <noembed><bgsound src="yourfile.mid" loop="1"></noembed>	<bgsound src="wonderfu.mid" autostart="false" loop="1" /> Music will begin playing when your page is loaded and will only play one time. A control panel will be displayed to enable your visitors to stop the music.
<font>	font	<font face="Times New Roman">Example</font>	Example (Tip)
<font>	font	<font face="Times New Roman" size="4">Example</font>	Example (Tip)
<font>	font	<font face="Times New Roman" size="+3" color="#ff0000">Example</font>	Example (Tip)
<form>	form	<form action="mailto:you@yourdomain.com"> Name: <input name="Name" value="" size="10"><br> Email: <input name="Email" value="" size="10"><br> <center><input type="submit"></center> </form>	Top of Form Name: (Tip) Email: Bottom of Form
<h1> <h2> <h3> <h4> <h5> <h6>	heading 1 heading 2 heading 3 heading 4 heading 5 heading 6	<h1>Heading 1 Example</h1> <h2>Heading 2 Example</h2> <h3>Heading 3 Example</h3> <h4>Heading 4 Example</h4> <h5>Heading 5 Example</h5> <h6>Heading 6 Example</h6>
<head>	heading of HTML document	<head>Contains elements describing the document</head>	Nothing will show
<hr>	horizontal rule	<hr />	Contents of your web page (Tip) Contents of your web page
<hr>	horizontal rule	<hr width="50%" size="3" />	Contents of your web page Contents of your web page
<hr>	horizontal rule	<hr width="50%" size="3" noshade />	Contents of your web page Contents of your web page
<hr> (Internet Explorer)	horizontal rule	<hr width="75%" color="#ff0000" size="4" />	Contents of your web page Contents of your web page
<hr> (Internet Explorer)	horizontal rule	<hr width="25%" color="#6699ff" size="6" />	Contents of your web page Contents of your web page
<html>	hypertext markup language	<html> <head> <meta> <title>Title of your web page</title> </head> <body>HTML web page contents </body> </html>	Contents of your web page
<i>	italic	<i>Example</i>	Example
<img>	image	<img src="Earth.gif" width="41" height="41" border="0" alt="text describing the image" />	(Tip)
<input>	input field	Example 1: <form method=post action="/cgi-bin/example.cgi"> <input type="text" size="10" maxlength="30"> <input type="Submit" value="Submit"> </form>	Top of Form Example 1: (Tip) Bottom of Form
<input> (Internet Explorer)	input field	Example 2: <form method=post action="/cgi-bin/example.cgi"> <input type="text" style="color: #ffffff; font-family: Verdana; font-weight: bold; font-size: 12px; background-color: #72a4d2;" size="10" maxlength="30"> <input type="Submit" value="Submit"> </form>	Top of Form Example 2: (Tip) Bottom of Form
<input>	input field	Example 3: <form method=post action="/cgi-bin/example.cgi"> <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#8463ff"><input type="text" size="10" maxlength="30"></td><td bgcolor="#8463ff" valign="Middle"> <input type="image" name="submit" src="yourimage.gif"></td></tr> </table> </form>	Top of Form Example 3: (Tip) Bottom of Form
<input>	input field	Example 4: <form method=post action="/cgi-bin/example.cgi"> Enter Your Comments:<br> <textarea wrap="virtual" name="Comments" rows=3 cols=20 maxlength=100></textarea><br> <input type="Submit" value="Submit"> <input type="Reset" value="Clear"> </form>	Top of Form Example 4: (Tip) Bottom of Form
<input>	input field	Example 5: <form method=post action="/cgi-bin/example.cgi"> <center> Select an option: <select> <option >option 1</option> <option selected>option 2</option> <option>option 3</option> <option>option 4</option> <option>option 5</option> <option>option 6</option> </select><br> <input type="Submit" value="Submit"></center> </form>	Top of Form Example 5: Tip) Select an option: option 1 option 2 option 3 option 4 option 5 option 6 Bottom of Form
<input>	input field	Example 6: <form method=post action="/cgi-bin/example.cgi"> Select an option:<br> <input type="radio" name="option"> Option 1 <input type="radio" name="option" checked> Option 2 <input type="radio" name="option"> Option 3 <br> <br> Select an option:<br> <input type="checkbox" name="selection"> Selection 1 <input type="checkbox" name="selection" checked> Selection 2 <input type="checkbox" name="selection"> Selection 3 <input type="Submit" value="Submit"> </form>	Top of Form Example 6: (Tip) Select an option: Option 1 Option 2 Option 3 Select an option: Selection 1 Selection 2 Selection 3 Bottom of Form
<li>	list item	Example 1: <menu> <li type="disc">List item 1</li> <li type="circle">List item 2</li> <li type="square">List item 3</li> </MENU> Example 2: <ol type="i"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol>	Example 1: (Tip) List item 1 List item 2 List item 3 Example 2: List item 1 List item 2 List item 3 List item 4
<link>	link	<head> <link rel="stylesheet" type="text/css" href="style.css" /> </head>
<marquee> (Internet Explorer)	scrolling text	<marquee bgcolor="#cccccc" loop="-1" scrollamount="2" width="100%">Example Marquee</marquee>	(Tip)
<menu>	menu	<menu> <li type="disc">List item 1</li> <li type="circle">List item 2</li> <li type="square">List item 3</li> </menu>	List item 1 List item 2 List item 3
<meta>	meta	<meta name="Description" content="Description of your site"> <meta name="keywords" content="keywords describing your site">	Nothing will show (Tip)
<meta>	meta	<meta HTTP-EQUIV="Refresh" CONTENT="4;URL=http://www.yourdomain.com/">	Nothing will show (Tip)
<meta>	meta	<meta http-equiv="Pragma" content="no-cache">	Nothing will show (Tip)
<meta>	meta	<meta name="rating" content="General">	Nothing will show (Tip)
<meta>	meta	<meta name="robots" content="all">	Nothing will show (Tip)
<meta>	meta	<meta name="robots" content="noindex,follow">	Nothing will show (Tip)
<ol>	ordered list	Numbered <ol> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol> Numbered Special Start <ol start="5"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol> Lowercase Letters <ol type="a"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol> Capital Letters <ol type="A"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol> Capital Letters Special Start <ol type="A" start="3"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol> Lowercase Roman Numerals <ol type="i"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol> Capital Roman Numerals <ol type="I"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol> Capital Roman Numerals Special Start <ol type="I" start="7"> <li>List item 1</li> <li>List item 2</li> <li>List item 3</li> <li>List item 4</li> </ol>	Numbered List item 1 List item 2 List item 3 List item 4 Numbered Special Start List item 1 List item 2 List item 3 List item 4 Lowercase Letters List item 1 List item 2 List item 3 List item 4 Capital Letters List item 1 List item 2 List item 3 List item 4 Capital Letters Special Start List item 1 List item 2 List item 3 List item 4 Lowercase Roman Numerals List item 1 List item 2 List item 3 List item 4 Capital Roman Numerals List item 1 List item 2 List item 3 List item 4 Capital Roman Numerals Special Start List item 1 List item 2 List item 3 List item 4
<option>	listbox option	<form method=post action="/cgi-bin/example.cgi"> <center> Select an option: <select> <option>option 1</option> <option selected>option 2</option> <option>option 3</option> <option>option 4</option> <option>option 5</option> <option>option 6</option> </select><br> </center> </form>	Top of Form Select an option: (Tip) option 1 option 2 option 3 option 4 option 5 option 6 Bottom of Form
<p>	paragraph	This is an example displaying the use of the paragraph tag. <p> This will create a line break and a space between lines. Attributes: <p align="left"> Example 1:<br /> <br /> This is an example<br> displaying the use<br> of the paragraph tag.</p> <p align="right"> Example 2:<br> <br> This is an example<br> displaying the use<br> of the paragraph tag.</p> <p align="center"> Example 3:<br> <br> This is an example<br> displaying the use<br> of the paragraph tag.</p>	This is an example displaying the use of the paragraph tag. This will create a line break and a space between lines. Attributes: Example 1: This is an example displaying the use of the paragraph tag. Example 2: This is an example displaying the use of the paragraph tag. Example 3: This is an example displaying the use of the paragraph tag.
<small>	small (text)	<small>Example</small>	Example (Tip)
<strike>	deleted text	<strike>Example</strike>	Example
<strong>	strong emphasis	<strong>Example</strong>	Example
<table>	table	Example 1: <table border="4" cellpadding="2" cellspacing="2" width="100%"> <tr> <td>Column 1</td> <td>Column 2</td> </tr> </table> Example 2: (Internet Explorer) <table border="2" bordercolor="#336699" cellpadding="2" cellspacing="2" width="100%"> <tr> <td>Column 1</td> <td>Column 2</td> </tr> </table> Example 3: <table cellpadding="2" cellspacing="2" width="100%"> <tr> <td bgcolor="#cccccc">Column 1</td> <td bgcolor="#cccccc">Column 2</td> </tr> <tr> <td>Row 2</td> <td>Row 2</td> </tr> </table>	Example 1: (Tip) Column 1 Column 2 Example 2: (Tip) Column 1 Column 2 Example 3: (Tip) Column 1 Column 2 Row 2 Row 2
<td>	table data	<table border="2" cellpadding="2" cellspacing="2" width="100%"> <tr> <td>Column 1</td> <td>Column 2</td> </tr> </table>	Column 1 Column 2
<th>	table header	<div align="center"> <table> <tr> <th>Column 1</th> <th>Column 2</th> <th>Column 3</th> </tr> <tr> <td>Row 2</td> <td>Row 2</td> <td>Row 2</td> </tr> <tr> <td>Row 3</td> <td>Row 3</td> <td>Row 3</td> </tr> <tr> <td>Row 4</td> <td>Row 4</td> <td>Row 4</td> </tr> </table> </div>	Column 1 Column 2 Column 3 Row 2 Row 2 Row 2 Row 3 Row 3 Row 3 Row 4 Row 4 Row 4
<title>	document title	<title>Title of your HTML page</title>	Title of your web page will be viewable in the title bar. (Tip)
<tr>	table row	<table border="2" cellpadding="2" cellspacing="2" width="100%"> <tr> <td>Column 1</td> <td>Column 2</td> </tr> </table>	Column 1 Column 2
<tt>	teletype	<tt>Example</tt>	Example
<u>	underline	<u>Example</u>	Example
<ul>	unordered list	Example 1:<br> <br> <ul> <li>List item 1</li> <li>List item 2</li> </ul> <br> Example 2:<br> <ul type="disc"> <li>List item 1</li> <li>List item 2</li> <ul type="circle"> <li>List item 3</li> <li>List item 4</li> </ul> </ul>	Example 1: List item 1 List item 2 Example 2: List item 1 List item 2 List item 3 List item 4

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