Offpage optimization refers to  measures that can be taken outside of the actual website in order to improve your website position in search rankings.


Onpage optimization refers to  measures  taken directly within the website in order to improve its position in search rankings
types of seo


On-page SEO focus on optimizing parts of your website that are with in your control, while off-page SEO deals with  increasing  authority of your domain through content creation and earning backlinks from others website.


  1. On-page SEO is concentrating on   content,  keyword selection, putting keywords in correct places, giving an appropriate title for every page.
  2. On-page SEO will analyze  complete website.
  3. On-page SEO includes  internal linking
  4. On-page SEO  for Content writing.
  5. Techniques  used in on-page SEO.
  • Publish quality content.
  • Optimize  meta descriptionand title.
  • Optimizing page content.
  • Heading and content formatting.
  • Adding Images and other multimedia content.
  • URL optimization.
  • Internal links.
  • External links.
  1. on-page seo deals with category and tags
  2. On-page SEO looks what your website is about.
  3. Factors which impact On-page SEO are as follows-
  • Internal and External Linking
  • Mobile user Friendly
  • Navigation
  • Quality content
  • Meta Description
  • Alt Text for image
  • Page Speed
  • Core Web Vitals
  • Title Tag


  1. Off-page SEO includes in link building, increasing link popularity, link exchange etc.
  2. Off-page SEO will promote the website.
  3. Using Off-page SEO we work on direct linking.
  4. Off-page SEO i]for Article writing.
  5. Techniques used in off-page SEO.
  • Outreach.
  • Contribute to blogs as Guest Author.
  • Social Media marketing.
  • Social Bookmarking Sites.
  • Forum Submissions.
  • Blog Directory Submissions.
  • Article Submissions.
  1. off-page seo deals with tags and keywords.
  2. Off-page SEO looks how popular your website is.
  3. Factors which impact Off-page SEO are as follows-
  • Social Media marketing
  • Backlinks and linking websites
  • Mentions
  • Business Profle in Google.

Both SEO work together to achieve Search Engine Optimization which is main goal. We cannot select which is important between two. But in this whole process, SEOs recommend that focus should be given to on-page SEO before working on off-page SEO.
Link Building is example of off- page SEO.

How to Optimize Videos for YouTube Search


YouTube SEO is optimizing your YouTube videos and channel to improve  visibility in YouTube  search results and  suggested video recommendations in youtube. This optimization helps you to reach  wider audience, increase in  video views, and helps to grow your YouTube channel.

To get videos to rank  high on YouTube, we must first understand  YouTube algorithm and YouTube’s ranking factors.

Like any other search engine, YouTube wants to deliver content that answers the user specific query. For example, if someone want to see a video on  “how to ride a bike,” YouTube won’t deliver  video titled “how to ride a bike.” Instead, it will  search for  results that answer that specific query.

If you want your videos to rank consider the following tips :

1. Keyword Research:
Begin by researching the relevant keywords for your video . Use the tools like Google Keyword Planner, or any  third-party tools to find keywords.

2. Video Title:
Create compelling and descriptive video title that includes your targeted keyword. Make sure it represents your video’s content.

3. Video Description:
Write a detailed video description which  provides context about the video’s content. Include your targeted  keyword and relevant secondary keywords n in the description.

4. Video Tags:
– Add relevant tags to video which you upload. Use both  the broad and specific tags related to  video’s content. Tags  always help YouTube to  understand what your video is  all about.

5. Thumbnail Optimization:
– Create  relevant and attractive custom thumbnails for your videos. Thumbnails can significantly impact the click-through rates.

6. Closed Captions (CC) and Transcriptions:
– Providing accurate captions and video transcriptions can improve the accessibility and make your content more searchable.

7. Video Category:
– Select  appropriate video category that best describes  about your content. This helps YouTube  to categorize your video correctly.

8. Engagement Signals:
– Encourage engagement on  videos. High watch time, comments, likes and shares signal to YouTube that your video valuable and engaging.

9. Playlists:
-create and organize  your videos to playlists. This helps to engage viewers on your channel longer,also helps to  increase in  overall watch time.

10. Channel Authority:
– Build a consistent channel presence. Consistently upload useful content,helps to  engage  your audience, helps to  grow your subscriber base. well-established channel is favored in search recommendations.

11.End Screens and Cards:
– Set YouTube’s end screens and cards to direct viewers  by engaging with  other videos on your channel / encourage them to subscribe.

12. Publishing Schedule:
–  Regularly uploaded videos and content like community posts  can improve channel and video rankings.

13. Promote on Social Media:
– Use social media platforms to  share videos ,this way you can increase visibility  of your content and encourage engagement.

14. Monitor Analytics:
– Follow YouTube Analytics to understand how to  engage viewer’s  with your content. Use  youtube  insights to refine your content and SEO strategy.

15. Engage with Comments:
– Respond to the comments on your videos.

16. YouTube Live:
–  YouTube Live  helps to engage with your audience in real-time. Live videos can increase viewers engagement.

17. User Engagement Signals:
– Analyze metrics like CTR (click-through rate) , average watch time, and audience retention point  to understand how well your videos are performing. Optimize the content and titles based on these signals.

18. Avoid Clickbait:
– While creating and compelling titles and thumbnails it is important, avoid clickbait tactics which mislead viewers. Misleading content  harm your channel’s reputation.

YouTube SEO is  ongoing process that requires consistent effort. By following  best practices and staying updated about YouTube’s algorithm updates, you can improve  video rankings and overall channel performance.

Manual Testing important interview questions

Manual testing Interview Questions:

1.Difference between regression & system testing?
2. what is the test plan?
3. contents of the test plan and explain ?
4.Did you  ever prepare the test plan?If so create one ?
5. why did  you   looking for a change?
6.Difference  phases in STlC & explain in detail?
7.Create the testcases on the foolowing registration form which contains  fields like  name,address,pan no,company name?
8.what the  called monkey testing?
9.what is  the frame work & types of the frameworks?
10.what is  called hybrid frame work?
11.Difference between  keyword driven , data driven frameworks?
12.write the vb script code including  person name field that it should  not accept more than 50 charecters?

Some Other interview questions:

1. what is  the use of foreign key?
2. Difference between the function,procedure and sub-procedure?
3. write  test case for a room?
4. write a test case for  bank statement?
5. Explain your role in project?
6. Explain your project architecture?
7. what you will do if your developer rejects the build ?
8. How to  do retesting?
9. when you will do  regression testing?
10. why to do retesting ?
11. what you will  do if bug is not the reproduicible?
12. what you will  do if  getting the same bug again and again?
13. Say something  interesting about testing?
14. As a test engineer what you would like about testing?
15. what is the most critical bug you hav found in your  application?
16. what are the documents you get for writing  test cases?
17. why you  want to shift from your  present  job?
18. what are the goals of  a test engineer?
19. at which stage of SDLC does testing starts
20. what objective test engineer will have ?
21. how will you find bugs?
22. Eplain  about ur project frame in detail?
23. what skills does a tester need to have?
24. which part of  application u find more difficult while doing testing?
25. what u will do if athe bug reproduce again ?
26. which is the most challenging bug you have found till today?

Get in touch for more interview questions https://assuredsol.com/#contact


Mobile marketing in Digital Marketing

What is Mobile Marketing?

Mobile marketing is marketing campaign that promotes the  products or services through the mobile devices. By connecting with the customers through the mobile devices, you can create cohesive customer experience. Most of the  people always have their phones with them, allowing you to connect with the customers in real time. Mobile marketing is used to attract the  customers in an interactive and personalized way.

Types of Mobile Marketing:

Mobile marketing encompasses various types and techniques aimed at reaching and engaging mobile device users, primarily  tablets and smartphones .

1. Mobile Advertising:
– In-App Advertising: Displaying ads within the mobile applications, often as interstitials,banners, or video ads.
2. Mobile Search Marketing:
– Mobile SEO : Optimizing the website for mobile devices to improve its visibility in the mobile search engine results.
– Mobile SEM (Search Engine Marketing): Running paid search ads like  Google Ads targeting mobile users.

3. SMS Marketing:
Sending promotional text messages (SMS) or transactional messages to mobile phone users who have opted in to receive them.

4. MMS Marketing:
– Sending multimedia messages that may include images, videos, audio content to engage and inform the recipients.

5. Mobile App Marketing:
– App Store Optimization (ASO): Optimizing  visibility and discoverability of  mobile app within the app stores Apple App Store and Google Play Store

-Push Notifications:Sending messages/alerts directly to the users who have installed a mobile app, promoting updates, offers and  other content.
– In-App Marketing: Promoting products, services, or other  features within  mobile app itself is through banners, pop-ups, or by other means.

6. Location-Based Marketing:
– Geofencing: Targeting users with in location-specific messages or offers when they enter in  predefined geographical area.
7. QR Code Marketing:
– Encouraging users to scan the QR codes with their mobile devices to access product information, discounts, or other content.

8. Mobile Video Marketing:

– Creating and distributing the video content optimized for mobile devices,  as short videos for social media platforms and  in-app video ads.

9. Mobile Email Marketing:
– Designing and optimizing the email campaigns for mobile devices, ensuring emails are responsive and visually appealing on the small screens.

10. Social Media Marketing on Mobile:
– Leveraging social media platforms such as Facebook, Instagram,snapchat and  Twitter  to reach mobile users through the organic posts and paid advertising.

11. Voice Search Optimization:
– Optimizing content to be discoverable through the voice-activated virtual assistants like Siri, Google Assistant, and Alexa, which are commonly used on the  mobile devices.

12. Mobile Wallet Marketing:
– Leveraging the mobile wallets like Apple Wallet and Google Pay to distribute digital coupons, loyalty cards, and offers to the users smartphones.

13. Gamification and Mobile Games Marketing:
-By  Creating branded games and incorporating gamification elements with in the  mobile apps to engage the users and promote products and  services.

Choose the  mobile marketing types depending up on  business’s goals, target audience, and resources available . A well-rounded mobile marketing strategy often involves the combination of these techniques to maximize reach and engagement of  mobile users.

How affiliate marketing works?

What is affiliate marketing?

Affiliate marketing is the  process where publishers earn  commission by using an affiliate link to promote the product or service made by another retailer or advertiser. The affiliate partner is rewarded  payout for providing  specific result to the  advertiser  and retailer.

But some affiliated  marketing programs can be reward you for the leads, free-trial users, clicks to website, or getting downloads for an app.

How affiliate marketing works?

Affiliate marketing is  the performance-based marketing strategy in which businesses reward individuals or other businesses  for driving traffic or generating sales or the leads to  merchant’s website or product.

1. Parties Involved:
– Merchant/Advertiser: Business that sells products and services  wants to promote them through affiliated marketing.

2. Affiliate Program Setup:
– Merchant set up an affiliate program, either independently or through the affiliate network, to manage  affiliate relationships, track referrals, and the process commissions.
– The merchant determines  commission structure, which can be based on the various actions, including sales, leads, clicks, and  other  actions.

3. Affiliate Promotion:
– Affiliates apply to join merchant’s affiliate program and, upon the  approval, gain access to the unique affiliate tracking links or codes.
– Affiliates use  tracking links or codes to promote  merchant’s products or services through the various marketing channels, such as websites, blogs, social media, email marketingmand  paid advertising.

4. Traffic and Referrals:
– When users click on affiliate tracking links ,codes and visit  merchant’s website, their actions are tracked using cookies and other tracking methods.
– These tracking mechanisms record referral source and any subsequent actions taken by  referred visitors, such as making  purchase, signing up for the  newsletter, or filling out a form.

5. Tracking and Analytics:
– Affiliated program or network monitors and records all the activities driven by affiliates, including clicks, conversions, and other desired actions.
– Accurate tracking is crucial to the attribute commissions correctly to  affiliates who referred the customers.

6. Commissions and Payouts:
– Based on the  agreed-upon commission structure, affiliates earn  commission for each successful action or sale  generate for  merchant.
– Commissions are typically paid on  predetermined schedule, such as monthly, and can be calculated as percentage of  sale or a fixed amount.

7. Reporting and Analytics:
– Both merchant and affiliates have access to the reporting and analytics data provided by  affiliate program or network.
– These reports help the affiliates track their performance, optimize  strategies, and measure their earnings.

8. Compliance and Regulations:
– Affiliate marketing is subject to the various regulations and guidelines, such as disclosingthe  affiliate relationships, adhering to privacy laws, and following advertising rules.
– It’s essential for both the merchants and affiliates to comply with these regulations to maintain the trust and legality.

9. Relationship Management:
– Successful affiliate marketing relies on maintaining the strong relationships between merchants and affiliates. Support,Communication,  and collaboration are key to  successful partnership.

Affiliate marketing offers benefits to both the merchants and affiliates. Merchants can expand their reach and only pay for the actual results, while affiliates can earn commissions by promoting the products or services they believe in or have strong interest in.

It is a win-win strategy when executed effectively. However, the success in affiliate marketing often requires careful  strategic promotion, planning, and ongoing optimization.


What Is Paid Marketing Strategies ?How to Reach Your Business Goals

What Is Paid Marketing? Strategies To Reach Your Business Goals.

Quickest ways to help potential customers discover your brand and offerings is Paid Marketing. With the help of  paid marketing, you purchase advertising that allows you to  target audiences, instead of waiting for them to find your business organically. Paid marketing is displayed on (SERPs) search engine results pages and social media channels. When creating paid marketing ads, you select  specific channel, like Google Ads or Facebook, and then define  target customer based on criteria ranging from location, search terms, interests, demographics, previous purchases, and other pages visited. Both the types of paid marketing are pay-per-click, which means you only pay when someone clicks. You  can typically set a maximum budget, such as Rs 15000/-, and  ad runs until your budget  used up. Paid marketing strategies  or paid advertising or online advertising, involves in  paying for advertising space or placements to promote  products, services and  content online. The  strategies  which can help businesses reach a wider audience, generate leads, increase sales, and achieve specific marketing objectives. some popular paid marketing strategies: 1. Search Engine Marketing (SEM) / Pay-Per-Click (PPC):SEM involves in  placing ads on search engines like Google and Bing. Advertisers bid on the specific keywords, and their ads appear at  top or bottom of the search engine results when users search for those keywords. Advertisers pay each time someone clicks on the ad. Google Ads or  Bing Ads are common platforms for the SEM/PPC advertising. 2. Display Advertising: Display ads are  the visual ads that appear on the websites and apps within  Google Display Network, and Facebook Audience Network, or other ad networks. They can be in form of banners, videos, interactive ads. Advertisers has the option to  target specific demographics, interests, or websites for ad placement. 3. Social Media Advertising: Advertising on the social media platforms like Facebook, Instagram, LinkedIn, Twitter, and Pinterest can  highly effective due to  extensive user base and detailed targeting options. Advertisers can also  create and promote ads to their target audience’s behaviors,interests,  and demographics. 4. Remarketing/Retargeting: This marketing involves targeting users who have previously visited to your website but did not make  purchase or take desired action. Advertisers use the cookies to track these users and display relevant ads to  across various websites and platforms, encouraging them to return and complete  desired action. 5. Native Advertising: Native ads blend seamlessly with  content of  platform or website where they appear. They  designed to match  look and feel of  surrounding content, making them less intrusive and engaging. Common forms of the native advertising include sponsored articles, promoted listings,  in-feed ads. 6. Affiliate Marketing:Businesses partner with affiliates or publishers to promote their products and services. Affiliates earn commission for each sale or lead they generate through their marketing efforts. Affiliate marketing can be cost-effective way to expand you reach and only pay for results. 7. Influencer Marketing: Brands collaborate with the social media influencers or bloggers who have  significant following and influence  their niche. These influencers create the content that promotes  brand’s products or services to the audience, leveraging their credibility and the reach. 8. Video Advertising:Video ads can  placed on various platforms, including the YouTube, Facebook, Instagram, and websites. They are also ffective for delivering engaging and visually appealing the content to users. Video ads can be in  form of pre-roll ads, in-stream  or sponsored content. 9. Email Marketing: Email marketing itself is not  paid strategy, promoting emails to  larger audience through paid channels like email list rentals or sponsored email placements can be an effective way to reach the new customers. 10. Pay-Per-View  Advertising:PPV advertising involves in  displaying ads to the users when they visit certain websites or perform the specific actions. Advertisers pay each time their ad get  viewed, regardless of  whether  user clicks on it or not. To make  most of the  paid marketing strategies, it’s crucial to  clear goals, target the right audience, continually analyze the performance, and adjust your campaigns accordingly. Each strategy has its own strengths and weaknesses, so businesses should choose  ones that align with their objectives and budgets. Additionally, compliance with the advertising regulations and maintaining positive user experience are the essential considerations for any of paid marketing campaign.  

Search engine marketing

Search engine marketing (SEM) is a strategy of Digital Marketing  used to increase  visibility of a website in search engine results pages .

While  industry term once referred to the both organic search activities such as search engine optimization  and paid, it is now refers almost exclusively to paid search advertising.

Search engine marketing is also  referred to as paid search or pay per click .

Why is SEM important?

Search engine marketing has become  crucial online marketing strategy for increasing a company’s reach.With  increasing in number of consumers researching and shopping for products online

The majority of new visitors to a website find it by performing  query on a search engine.

In search engine marketing, advertisers only pay for the impressions that result visitors, making it an efficient way for the company to spend its marketing dollars. As a bonus, each visitor incrementally improves the  website’s rankings in the organic search results.

Consumers enter search queries with  intent of finding the information of a commercial nature, they are in xcellent state of mind to make  purchase, compared to the other sites such as social media .

Search marketing reaches the consumers at exactly right time: when they are open to the new information. Unlike  majority of digital advertising, PPC advertising is non-intrusive and does not interrupt the tasks.

Results are immediate with SEM. It is the fastest way to drive traffic to the website.

How SEM works?

SEM or Search Engine Marketing, is  digital marketing strategy which involves in promoting  website or online business through paid advertising on search engines like Bing,Google, and Yahoo. SEM is most often used to increase visibility of the  website in search engine results pages  and drive traffic to  site. Here is  how SEM works:

1. Keyword Research: First  Marketers identify relevant keywords and phrases that the potential customers might use when searching for the products or services. These keywords are  foundation of SEM campaigns.

2. Campaign Setup: After selecting the keywords, marketers create SEM campaigns using the online advertising platforms like Bing Ads or Google ads. In these platforms, they set up the parameters for their ads, including budget, target audience, geographic location, and advertisement scheduling.

3. Ad Creation: Marketers create compelling and relevant ads which  will appear in search results when the users search for  selected keywords. Ads typically consist of  headline, description, URL, and often the extensions like site links or callout extensions.

4. Bidding: SEM operates on  bidding system. Marketers specify  maximum amount they are willing to pay when  user clicks on their ad (CPC  or Cost Per Click ). The search engine uses an auction-based system to determine which ads will appear for  given search query.

5. Ad Placement: When user enters  search query that matches  keywords targeted in  SEM campaign,  search engine runs an auction to determine which ads will be displayed. Factors considered in  auction include bid amount,the  ad relevance, and expected click-through rate.

6. Ad Rank: Advertisers’ bids and  quality of their ads contribute to their Ad Rank, which determines  ad’s position in  search results. Higher-quality ads with relevant content often achieve better positions even if they have lower bids.

7. Ad Display: When  user’s search query triggers an ad in  auction,  winning advertisements are displayed in  search results, typically at  top and bottom of the page or in  sidebar. Users can click on these ads to visit  advertiser’s website.

8. Cost Control: Advertisers are charged when the users click on their ads. SEM platforms allow marketers to set the daily or monthly budgets to control costs. Once  budget is exhausted, the ads stop running for  specified period.

9. Monitoring and Optimization: Successful SEM campaigns require the ongoing monitoring and optimization. Marketers analyze performance of their ads,  click-through rates, including conversion rates, and return on investment (ROI). They adjust their ad copy, keyword selection, and bidding strategy to improve results.

10. Landing Page Experience: Effectiveness of SEM campaigns is not the just about getting clicks; it’s also about what happens after  click. Marketers need to ensure that  landing page  user is directed to provides  seamless and relevant experience, leading to the conversions like  purchases, sign-ups, or inquiries.

SEM can be  powerful way to drive the targeted traffic to the website quickly. It requires continuous management and optimization to achieve best results and a positive ROI.

Email Marketing Certification Course


If you want to grow your brand or sell your stuff, email marketing is  the most popula  effective tool around for marketing campaigns.

In this course we will  discuss how email marketing  helps to send promotional emails .Mail marketing can help you to grow your business, and we we’ll give you few tips to help you get started with a sucessful email marketing campaign.

Email marketing is very powerful marketing channel, a form of direct marketing as well as digital marketing, which uses email to promote your business’s  services or products. It can help make your customers aware of latest items or offers by integrating  into your marketing automation efforts. It can also play pivotal role in market strategy  with lead generation, brand awareness, building relationships , keeping customers engaged between purchases through the different types of marketing emails.

Benfits of email marketing

Email  marketing  become  a popular marketing tool for businesses partly because it forces  user to take some kind of action , email will sit in  inbox until it’s read, deleted, or archived.

Email marketing can also help you build a relationship  with your audience also driving traffic to your social media ,blog, or anywhere else you’d like visitors to visit.

Email marketing seems like the perfect way to reach out to the customers, create new prospects, and grow important business relationships, there are some disadvantages. In fact, many of businesses are opting to use EZ Texting as other form of communication.

significant downsides of email marketing campaigns is Spam mails.


Inboxes are filled with worthless information. We all get those mails and instantly we hit delete. In addition, we never even see many of these mails because they end up in  junk or spam folders.


If your email is too large, it might take a long time to loador sometimes even not load at all. In that that case  it takes to download,  potential customer has just lost interest, costing your business.


Disadvantages aside, email marketing is considered as a popular form of marketing,  means  your email isn’t going to be the only one flooding users’ inboxes. This means that to stand out from competitors, you  need to invest in strong copywriters and need to offer additional promotions to capture your audience’s attention.

Email marketing certification course duration – 1 month (30 hours including practicals)

  • Basics of Email Marketing .
  • Email Marketing Strategies.
  • Building  Business with Email Marketing
  • Building  Email Marketing Account
  • Email Marketing Strategies.

Hadoop Interview Questions

 Hadoop interview questions with answers, that have been asked in the recent years in many companies interviews.

1) What is  meant by Hadoop?

Hadoop  is written in Java ,it is a distributed in computing platform . It consists of the following  features like Google File System and MapReduce.

2) Describe the platform and Java version ,which is  required  to run the Hadoop?

Java( 1.6.x )or any advanced  versions of java are good for Hadoop work ,   Linux and Windows are the preffered operating system for Hadoop environment , but Mac OS/X,  BSD, and Solaris are more famous for working.

3) What are Hardware specifications for Hadoop?

Hadoop  runs on both dual processor/ dual core machines along  with  4-8 GB RAM using ECC memory. It depends on the workflow designs

4)Describe most common input formats defined in Hadoop?

 The common input formats  in Hadoop 

  1.  TextInputFormat
  2. KeyValueInputFormat
  3. SequenceFileInputFormat

TextInputFormat is  default input format.

5) How do you categorize a big data?

Big data is  categorized  based on the  features like:

  • Volume
  • Velocity
  • Variety

6) what is the use of .media class?

This type of class is used for floating media objects from one side to another side.

7)Use of bootstrap panel in Hadoop?

Panels bootstrap from boxing of DOM components.This panel is used with in the element <div>  to create Bootstrap panels. 

8) Describe  purpose of button groups?

Button groups used for  placement of more than one of the  buttons in  same line.

9)Mention various types of lists supported by Bootstrap.

  • Ordered list
  • Unordered list
  • Definition list

10)Name the command used for  retrieval of  status of daemons running the Hadoop cluster?

The  command ‘jps’ used for  retrieval of  status of the daemons running  Hadoop cluster.

11) What is InputSplit ? Explain.

While running Hadoop job,  splits its input files in to chunks and will assign each split to mapper for the processing. which is also called the InputSplit.


12) Explain textInputFormat?

The text file is a textInputFormat   which is a record. Value obtained is the content of line while Key is the byte offset of the line. For example  Key: longWritable, Value: text

13) What is meant by  SequenceFileInputFormat in Hadoop?

SequenceFileInputFormat  in Hadoop is used to read files in sequence. which is the  compressed binary file format which passes the data between the output of one Map Reduce job to the input of some another Map Reduce the job.

14) How many InputSplits can be  made by a Hadoop Framework?

Hadoop makes total 5 splits :

  • One split for 64K files
  • Two splits for 65MB files, and
  • Two splits for 127MB files

15) Describe the use of RecordReader in Hadoop?

InputSplit  assigned with  work but doesn’t know how to access . The record holder class is totally responsible for performing loading the data from its source and convert it to keys pair suitable for reading by  Mapper. 

16)Describe JobTracker in Hadoop?

The service JobTracker  is with in the Hadoop which runs the MapReduce jobs on cluster.

17) Explain WebDAV in Hadoop?

WebDAV is set of extension to HTTP which used to support editing and uploading the files. In most of the operating system WebDAV shares can be  mounted as filesystems, so it is always  possible to access HDFS as a standard filesystem by exposing the HDFS over  WebDAV.

18) what is  Sqoop in Hadoop?

Sqoop is used to transfer data between  Hadoop HDFS and  Relational Database Management System . Using Sqoop you  can transfer data from RDBMS like Oracle/MySQL into HDFS as well exporting data from HDFS file to RDBMS.

19)List functionalities of JobTracker?

This  are the main tasks of JobTracker:

  •  accepting  jobs from the client.
  • communicating  with the NameNode to determine the location of the data.
  • To locate TaskTracker Nodes with free slots.
  • To submit  work to the chosen TaskTracker node and monitor  progress of each task.

20) Use of  TaskTracker.

TaskTracker is a node in the cluster which accepts jobs like MapReduce and Shuffle operations from  the JobTracker .

For more interview questions and live projects contact 


What is HADOOP?

Hadoop is open-source frame work for  storage and distributed processing of large datasets ,clusters of commodity hardware. Developed by  Apache Software Foundation and was designed to handle jobs like holding vast amounts of data, including unstructured and structured data, across  distributed computing environment.

Hadoop is suited partially for big data tasks like processing and  analytics checking.

The key responsibilities of  HADOOP DEVELOPER  will be as follows:

  • 1.Determine and Design Big Data solutions based on  requirements aligning with overall guiding principles of the project ecosystem
  • 2.Develop solutions as a part of Scrum teams
  • 3.Building optimized data model, pipelines in the MPP environment
  • 4. Enhance and build data engineering assets using Hadoop


  • 1.Knowledge of designing  principles and fundamentals of architecture
  • 2.Understanding  performanceof  engineering
  • 3.Knowledge on quality processes and estimation techniques
  • 4.Basic understanding of the project domain
  • 5.Stepa to translate  nonfunctional and functional requirements of systems requirements
  • 6.How to perform  and design code complex programs
  • 7.How  to create test cases and scenarios based on given specifications
  • 8.Good understanding of the SDLC and agile methodologies
  • 9.Awareness on  latest technologies and trends
  • 10.projects to improve Logical thinking and problem solving skills along with ability to collaborate
  • 11.Basic Knowledge on the Hadoop Cluster architecture and  also how to monitor cluster.
  • 12.Is Hadoop good for Career?
     Hadoop is the best career option to choose


If you are a experienced job seeker  or fresher and  wondering which career is the best  option to choose to grow your career in databases, then Hadoop is the best option to choose.

Big Data provides various career paths like Data Analyst, Data Engineer,  Data Scientist, and Big Data Architect.

Choose  specialization  based on your career goals and Interest.

we at Assuredsol provides students with the live projects to provide hands on practical experience and knowledge on all the aspects.If you have any querries reach us  by filling contact us form.