Saturday 20 June 2020

Computer Network

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Introduction:-
Computer Network is collection of computer connected with each other .It basically allows computer to communicate with each other and share resources which include information.
Now a Days Computer are used in wider range. All the organisation are using multiple computer within departments to perform their day-to-day-work.The network is classified into different types according to area & wide range.When two or more computer communicate with each other they follow some path & rules.The OSI(Open Systems Interconnection) model is conceptual and has seven layers and each layer is having its own functions.

Need of a Computer Network:-
Computer Network is as important to share data & information between two network.For Example :-
A institute have two center one sub center & another main center .Basically what we are saying the way the both center communicate is through network.The both center share their data through network. Computer network  allows the user to share resources such as printer & faxes.printer can be installed on one computer & another computer can share resource data through network.Computer Network also allows user to communicate through messaging system.One Important ,these days we were giving desktop support through network which is very help for other to troubleshoot their system from a long distance.

History of Computer Network:-

Earlier,Computer network were used as standalone .The main purpose of using the earlier days to save directory in soft copy.Computer network established link between different user within in  an organization.
The Advanced Research Projects Agency (ARPA) designed Advanced Research projects Agency network(ARPANET) for United state Department Defense. It was the world first Computer Network.

Wednesday 26 December 2018

Microsoft SQL Server All Versions Direct Download Links [2008, 2012, 2014, 2016]

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Microsoft SQL Server All Versions Direct Download Links [2008, 2012, 2014, 2016]

Download Microsoft SQL Server offline installer for all versions. I have added all the links to each version separately. So you can easily download and install them. All links are official download links provided by Microsoft.
Microsoft SQL Server is the relational database management system which is developed by Microsoft. It gives you flexibility, built-in intelligence, and confidence you need to know the full potential and performance of your data.
The offline installer allows you to install the app on your system without even connecting to the internet. As links are official links, you can start downloading safely and reliably.
Microsoft SQL Server 2008 R2 SP2
Microsoft SQL Server 2008 R2 with Service Pack 2 is a free and feature-rich database for developing and deploying SQL Server 2008 R2.
The main features of SQL Server 2008 R2 SP2 are described below.
  • It has support for the stored procedures, triggers, functions, and views.
  • It allows you to store all kinds of business data with native support for relational data, XML, FILESTREAM and spatial data.
  • This version has improved performance, usability, visualization, as well as integration with the Microsoft 2007 Office System in SQL Server Reporting Services.
  • Microsoft SQL Server 2008 R2 simplifies development efforts by leveraging existing T-SQL skills, ADO.NET Entity Framework and LINQ.
  • It is closely integrated with Visual Studio and Visual Web Developer.
It is supported on Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Vista, and Windows XP.

Microsoft SQL Server 2008 R2 SP2 Download Links

Microsoft SQL Server 2008

SQL Server 2008 is a free edition of SQL Server that is an ideal data platform for learning and building desktop and small server applications, and for redistribution by ISVs.
Basically, it is designed for easy deployment and fast prototyping. SQL Server 2008 Express is available as a free package, and you are free to redistribute it with other applications. It is designed to integrate smoothly with your other server infrastructure investments.
It is supported on Windows Server 2003 Service Pack 2, Windows Server 2008, Windows Vista, Windows Vista Service Pack 1, Windows XP Service Pack 2, and Windows XP Service Pack 3.

SQL Server 2008 Download Links

Microsoft SQL Server 2012

Microsoft SQL Server 2012 is a powerful and reliable free data management system that delivers a rich and reliable data store for lightweight Web Sites and desktop applications. Links to all of its versions are provided below.

SQL Server 2012 Download Links

Microsoft SQL Server 2014

Microsoft SQL Server 2014 is a powerful and reliable free data management system that gives an extensive and reliable data store for lightweight Web Sites and desktop applications. It is free and has feature-rich editions of SQL Server that are ideal for learning, developing, powering desktop, web & small server applications, and for redistribution by Independent Software vendors (ISVs).
It is supported on Windows 10, Windows 7, Windows 7 Service Pack 1, Windows 8, Windows 8.1, Windows Server 2008 R2, Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2.

SQL Server 2014 Download Links

Microsoft SQL Server 2016

Microsoft SQL Server 2016 SP1

Microsoft SQL Server 2016 service packs are cumulative updates and upgrade all editions and service levels of SQL Server 2016 to SP1. This service pack has up to and including SQL Server 2016 RTM Cumulative Update 3 (CU3).

Microsoft SQL Server Enterprise 2016

Access mission-critical capabilities to achieve unparalleled scale, security, high availability, and leading performance for your Tier 1 database, business intelligence, and advanced analytics workloads.

Microsoft SQL Server Express 2016

Microsoft SQL Server Express 2016 is developed to build intelligent, mission-critical applications using a scalable, hybrid database platform. And that DB has everything built-in. The database includes advanced security, in-database analytics, and reliable memory performance.
It includes 4 numbers of Cores. And gives you advanced level security with transparent encryption.
It is supported on Windows 10, Windows 7, Windows 7 Service Pack 1, Windows 8, Windows 8.1, Windows Server 2008 R2, Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2.

Microsoft SQL Server Standard 2016

Microsoft SQL Server Standard 2016 delivers basic data management and business intelligence database for departments and small organizations to run their applications and supports common development tools for on-premise and cloud — enabling effective database management with minimal IT resources.

Microsoft SQL Server Developer 2016

SQL Server Developer edition lets developers build any kind of application on top of SQL Server. It includes all the functionality of Enterprise edition but is licensed for use as a development and test system, not as a production server. SQL Server Developer is an ideal choice for people who build
SQL Server and test applications.

Must Read Articles:

Why On-Page SEO is Important to a Website?

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On page SEO consists of steps, methods, and actions taken within the website to increase its ranking in search engines and also to internally make it perform better.

On page SEO factors consists of
  • Page Title and title tags
  • Meta Description
  • Meta Keywords
  •  Headings
  • Optimized Domain
  • Canonical Tag
  • Meta Tags
  • Miscellaneous Meta Tag
  • Open Graph Meta Tags
  • Images 
  • Internal Linking
The above are important factors and enhancing them will not only increase the websites ranking but also forms an on-page SEO checklist, where each factor is analyzed to see its efficiency and performance.

How Much Important SEO is?


These Day SEO means Search Engine Optimization.Day By Day people are being Aware of Web Tools to set there business online.We focus on ON page SEO because we need provide good quality of Assurance to Search Engine and at the same time also  gives the website a boost in terms of performance.
when the website and its pages are well-optimized search engine crawlers have an easier time finding information and due to that the website always ranks high on S.E.R.P

Saturday 15 July 2017

BUS NETWORK TOPOLOGY

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BUS NETWORK TOPOLOGY:WHAT IS BUS NETWORK?


 In Bus network topology ,devices share a common backbone cable to send and receive data.A co-axial cable is used to connect all devices.Bus Network Topology always uses daisy chain scheme to add more devices in a network. In this scheme one device is connected to another ,another to next.The First & last terminating point connect 50 ohm terminator resistor.

WHAT ARE THE BASIC STRUCTURE OF BUS NETWORK TOPOLOGY:

In Bus network topology,the main server is connected at one end of the backbone cable and the other device is connected different positions along the backbone cable known as Trunk.At both end of Bus Network Topology is connected to terminator which helps to terminated the unused data signal.It is very useful in destroying unsent data to from the cable if the destination is faulty.In this Bus Network Topology sends data to all the devices which is connected to the dedicated lines.For example, If PC-1 Sends data to PC-4 ,then the data which is sent from PC-1 is sent to all the PC which connected with the backbone cable or dedicated lines.When messages arrives at each device , it checks the destination address ,encoded in the message. If the address matches arrives the data.If the address is not matched ,the device ignore the data.Due to this a number of devices waiting to send data on the bus are more.This result is slowing down the performance of  a network.The basic structure of the bus network topology is shown :

In Bus Network Topology,the devices are not responsible for data transmission from one device to another .They can only listen to information sent on a network.If one device fails,it doen't affect the entire network.In an active topology,devices regenerate signals and take part in transfer of data: Hence, if one device falls then the  entire network is affected.
Every Device on a network shares a common cable.When two machines transmitted data at the same time the signals collide.Due to this,the information is destroyed.The process is called collision.Collision can affect the performance of the network.

ADVANTAGE AND DISADVANTAGE OF BUS NETWORK TOPOLOGY


Bus Network Topology, is also called as a liner bus.It is the simplest and common method of computer networking.However,Bus Network best with a limited number of devices.

Advantage of Bus Network Topology:

  • Easy to connect the devices to linear Bus.
  • Requires Less cable & cost efficient.
  • Less Expensive than other topology .
  • Work better for smaller network.
Disadvantage of Bus Network Topology:
  • Entire network gets affected if there is a break in the main cable
  • Terminators are required at both ends of the backbone cable.
  • You face Difficulty to detect the faulty devices.
  • Limited number of devices can be attached.
  • Heavy  traffic and addition of devices degrades the performance.
  • Expensive than single node topology.


Wednesday 28 June 2017

SEO (Search Engine optimization): What is SEO?

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SEO (Search Engine Optimization): What is SEO?

SEO is a process which help to optimize your website with the of different online marketing methods. It is the process to increase visibility of website and webpages on SERP (Search Engine result page)
SEO are organic & Inorganic. Inorganic is those types of process in which you have to paid search engine & helps a website to get traffic faster. This type of process is called as SEM (Search engine Management).According to the SEO team & experts people prefer organic process rather than inorganic. The reason behind is that in Inorganic people have pay to search engine on CPC & other different charges apply. In organic it’s totally free because it used two methods called on & off page optimization This process is called as SEO (Search engine optimization).

Now, Let us know what is on & off page optimization.

On page Optimization: 

In this methods, SEO expert’s uses good content, good keywords, using keywords to every page, setup google analytics, taking helps of google console, Google keywords, robot.txt, sitemap.xml etc.


Off page optimization: 

In this methods ,SEO expert’s uses link building methods, increasing link popularity by submitting open directories, search engine submission, social bookmarking, article marketing, Blog Marketing etc.

There are different methods for optimizing your website.


White HAT SEO: 

It follow search engine rules & regulation to optimize the website. It is also ensured that the content which you are going to publish on your blog or website must be according to the user point of view not according to search engine. Good quality of webpages. Keyword density must be checked. Follow google webmaster guidelines. Always you should try white HAT SEO never try to fool the site visitor.

Black HAT SEO: 


It always used to redirect the user to the website to rank in search engine. Using method of cloaking which means when user hover the mouse on anything on website it redirect to the other website. Using repeating keywords in Meta tags this is called as meta tags stuffing. Another repeated keywords used to increase the count & density of the page is called as keyword stuffing.

Gray HAT SEO:


In this, it is the combination of Black HAT & White HAT SEO.

Website Audit: What is website audit?

1. Checked the titles of the page.
2. Meta Descriptions to pages are there or not.
3. Meta keywords to pages are available or not.
4. Alt tags are used with images are used or not.
5. Domain checked.
6. Site verification on different search engine.
7. DNS checked.
8. Google Analytics.
9. Check Crawling Error.
10. Site must be search friendly.
11. Redirect issue checking.
12. Custom 404 Error Page Checking.
13. Robot.txt is working or not.
14. Heading Tags, Search Friendly URLs,contact form,rss feed etc.
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Sunday 25 June 2017

SEO Keywords

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SEO Keywords: What is SEO Keywords?


SEO keywords are the phrases and words which is used to match with user or customer are searching on search engine.You have use high quality & relevant keyword for you blog, e-commerce ,article that why the customer or user can visit your website easier.


How you able to use better SEO Keyword?

There are few steps which helps you to search better SEO keywords:

  • You have to think like customer or user who search their query on search engine.
  • You must have to use suitable theme that user be able to find it easier.
  • Sometime you should have to be specific that why  you should seem different from their website.
  • Not excess but you use negative keyword that also help you to rank.
  • You use keyword planner from the different tools. 
Everyday you have to look how people are searching products online and keep eyes on that keyword.Competitors in market are more and you have to grow with that competitor with right & specific keywords.
The SEO keywords are more relevant to up grow the market online because traditional marketing strategies are high cost.




How to find  best SEO Keywords tools ?

There are many methods to search better keywords .There are many online tools which helps you to find better keywords & also show the traffic ,competitors with that specific keywords.I have to give further link below which helps you to go that  website.According to me Google Adwords is best platform to search and know the better keywords for your website.
 Above five SEO Keyword planner is just for you acknowledgement but their are more SEO keyword planner tools available on website. We need to just go and visit these website and search the keyword you think user used to search on website for specific product ,article. 

Tips to find best SEO keywords?


 If you think like a customer you will grow in this SEO field.There are some tips to search better SEO Keywords:-
  1. For advertisement, you have to use keyword between 5 to 15 keywords per ad group.
  2. Every time you have to group your keyword according to your product, services, other categories.
  3. You use the specific keyword which customer describe when they purchase your product or have to visit your product by using that specific keywords.Keyword not exceed more than 2-5 words
  4. Every time pick keywords carefully & grouped the similar keywords.
  5. Always pick the right number of keywords.

How you SEO keyword rank your website?

After doing above stuff you are able to find better SEO keyword.you have to find better traffic on the article or product.The question is" how you get better traffic by using most traffic keyword". 

 You use these keyword
  • Page Titles (When you use the page title of that specific keyword)
  • Meta description (You have to use that specific keyword )
  • URL structure (You must see that your keyword is used in URL link)
  • Body tags (Body tag is also important)
  • Image SEO
  • Bold & Italic Tags
When you are using your keyword for anything keep in mind the keyword must be relevance & density.This is important because it helps you to  increase  traffic on your website.


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