WNS ltd interview questions and answers https://www.wikitechy.com/interview-questions/tag/wns-ltd-interview-questions-and-answers/ Interview Questions Fri, 17 Sep 2021 10:27:05 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png WNS ltd interview questions and answers https://www.wikitechy.com/interview-questions/tag/wns-ltd-interview-questions-and-answers/ 32 32 What are the Harmful Activities of bacteria ? https://www.wikitechy.com/interview-questions/biology/what-are-the-harmful-activities-of-bacteria/ https://www.wikitechy.com/interview-questions/biology/what-are-the-harmful-activities-of-bacteria/#respond Wed, 04 Aug 2021 06:37:39 +0000 https://www.wikitechy.com/interview-questions/?p=1282
  • There are many harmful activities of bacteria:
    • Food poisoning
    • Spoilage of food
    • Destruction of domestic articles
    • Reduction of Soil fertility
    • Denitrification
    • Biowar/Bioterrorism

Food poisoning:

  • Bacterial toxins present in food causes food poisoning.
  • This leads into nausea, vomiting, abdominal discomfort diarrhea and even death.
  • The food poisoning bacteria are Clostridium botulinum, Salmonella enteritis, Staphylococcus aureus etc.

Spoilage of food

  • Souring of milk, rotting of vegetables and meat are caused by many saprotrophic bacteria.

Destruction of domestic articles

  • Spirochaete cytophaga cause cellulose degradation thereby destroying textiles, wooden articles and canvas.

Reduction of Soil fertility

  • Denitrifying bacteria like Thiobacillus denitrificans, Micrococcus denitrificans, Pseudomonas aeroginosa convert soil nitrates and ammonia into free nitrogen and thus reduce the soil fertility.

Denitrification:

  • The denitrifying bacteria decompose nitrogen compound into free nitrogen.

Biowar/Bioterrorism:

  • The improved variety of infective agents (bioweapons) are widely been used as an agent of effective weapon of bioterrorism.
  • The antibiotic resistant microorganisms like Bacillusanthracis are being produced at large scale and when these are released at strategic locations, they cause acute infection of anthrax.
  • The spores of B. anthracis can be produced and stored in a dry from keeping them vaible for decades in storage or after release.
  • An attack with bioweapons (antibiotic resistant strains mould) leads to spread of communicable diseases like anthrax and plague etc.
]]> https://www.wikitechy.com/interview-questions/biology/what-are-the-harmful-activities-of-bacteria/feed/ 0 How do Mammals take care of their Young ones ? https://www.wikitechy.com/interview-questions/biology/how-do-mammals-take-care-of-their-young-ones/ https://www.wikitechy.com/interview-questions/biology/how-do-mammals-take-care-of-their-young-ones/#respond Wed, 04 Aug 2021 06:37:36 +0000 https://www.wikitechy.com/interview-questions/?p=1283
  • Mammals give birth to their young ones. The babies are fed by its mother’s milk which is fed through her breasts.
  • Some mammals have two breasts while some have eight or even more the mothers show intensive care towards the babies.They give them love and affection.
  • They eat their own babies if faced to a threat. The mothers give them warmth by lying down beside them or making pillows from dried grass and even feathers to keep the babies away from the predators they may keep the babies in a hole underground or something.
  • During these times the mothers are very protective that they may not even allow any other creature to pass nearby that area.
]]> https://www.wikitechy.com/interview-questions/biology/how-do-mammals-take-care-of-their-young-ones/feed/ 0 What is the error message that you would get if you try to assign “Null” to an integer variable ? https://www.wikitechy.com/interview-questions/visual-basic/what-is-the-error-message-that-you-would-get-if-you-try-to-assign-null-to-an-integer-variable/ https://www.wikitechy.com/interview-questions/visual-basic/what-is-the-error-message-that-you-would-get-if-you-try-to-assign-null-to-an-integer-variable/#respond Thu, 22 Jul 2021 07:48:17 +0000 https://www.wikitechy.com/interview-questions/?p=1216

What is the error message that you would get if you try to assign “Null” to an integer variable ?

  • Error message : Cannot convert null to int because it is a non-nullable value type(or) INVALID use of NULL.
]]> https://www.wikitechy.com/interview-questions/visual-basic/what-is-the-error-message-that-you-would-get-if-you-try-to-assign-null-to-an-integer-variable/feed/ 0 What is the difference between Power BI Pro and free Power BI Service ? https://www.wikitechy.com/interview-questions/power-bi/what-is-the-difference-between-power-bi-pro-and-free-power-bi-service/ https://www.wikitechy.com/interview-questions/power-bi/what-is-the-difference-between-power-bi-pro-and-free-power-bi-service/#respond Wed, 21 Jul 2021 14:22:43 +0000 https://www.wikitechy.com/interview-questions/?p=1162

Difference between Power BI Pro and free Power BI Service

Power BI Pro
Free Power BI Service
Power BI Pro allows you to use live data sources,
on premise data and allows to join with group
using Office 365 groups.		 BY free Power BI Service and the Power BI Desktop, you can only analyze and visualize data but does not share or assist with our team.
Power BI Free vs Pro
]]> https://www.wikitechy.com/interview-questions/power-bi/what-is-the-difference-between-power-bi-pro-and-free-power-bi-service/feed/ 0 What is the Foundational elements of Power BI ? https://www.wikitechy.com/interview-questions/power-bi/what-is-the-foundational-elements-of-power-bi/ https://www.wikitechy.com/interview-questions/power-bi/what-is-the-foundational-elements-of-power-bi/#respond Wed, 21 Jul 2021 14:21:53 +0000 https://www.wikitechy.com/interview-questions/?p=1161

Foundational elements of Power BI

  • Strong project management skills.
  • Good Communication.
  • SQL is easy to learn a most of analytics skills.
  • Decent grasp Python-Pandas or R to do data crunching and manipulation.
  • Based on Good visualization skills (start by checking out CSS color palettes).
  • The Tableau or Power BI come at the very end of the analytics pipeline, it’s good you have an overall grasp.
Foundatinal Element
]]> https://www.wikitechy.com/interview-questions/power-bi/what-is-the-foundational-elements-of-power-bi/feed/ 0 What is the level of data security provided by Power BI ? https://www.wikitechy.com/interview-questions/power-bi/what-is-the-level-of-data-security-provided-by-power-bi/ https://www.wikitechy.com/interview-questions/power-bi/what-is-the-level-of-data-security-provided-by-power-bi/#respond Wed, 21 Jul 2021 14:19:39 +0000 https://www.wikitechy.com/interview-questions/?p=1160

Level of Data Security provided by Power BI

  • Power BI stores all the uploaded data into Azure BLOB and Azure SQL Database.
  • Both databases are only accessible by an Admin user, which means that end-users cannot access the database, eliminating user-level security.
  • Now this data is on the Microsoft cloud and when it comes to their security, there isn’t much to explain except to say that the data is 100% secured.
Data security provided by Power BI
]]> https://www.wikitechy.com/interview-questions/power-bi/what-is-the-level-of-data-security-provided-by-power-bi/feed/ 0 What is the way to use of Power BI ? https://www.wikitechy.com/interview-questions/power-bi/what-is-the-way-to-use-of-power-bi/ https://www.wikitechy.com/interview-questions/power-bi/what-is-the-way-to-use-of-power-bi/#respond Wed, 21 Jul 2021 14:17:43 +0000 https://www.wikitechy.com/interview-questions/?p=1159

Diffent way to use of Power BI

There are two way to use of Power BI,

    • Power BI Service
    • Power BI Desktop
power bi function

Power BI Service:

  • Cloud SaaS is called the Power BI service for accessing the cloud service.
power bi component

Power BI Desktop:

  • Power BI Desktop was an free application that works in joining together with the Power BI Service.
  • Power Bi Desktop allows you to do the following.
    • Get the data from collection of unlike sources.
    • Create relationships between your data and to end with fine or desirable qualities of your data model.
    • Then Create and save your reports.
    • And Upload or publish your reports.
  • The reports created using Power BI Desktop then published in Power BI Service right from the Power BI Desktop application.
  • Using both Power BI Service and Power BI Desktop the cost is free.
what is powerbi
]]> https://www.wikitechy.com/interview-questions/power-bi/what-is-the-way-to-use-of-power-bi/feed/ 0 What is the disadvantages of Power BI ? https://www.wikitechy.com/interview-questions/power-bi/what-is-the-disadvantages-of-power-bi/ https://www.wikitechy.com/interview-questions/power-bi/what-is-the-disadvantages-of-power-bi/#respond Wed, 21 Jul 2021 14:15:47 +0000 https://www.wikitechy.com/interview-questions/?p=1158

Disadvantages of Power BI

  • Power BI will not accept files larger than 1GB.
  • Power BI reports and dashboards cannot accept or pass user, account or other entity parameters.
  • This makes it impossible to create entity specific dashboards such as a dashboard for an account, opportunity, case, or campaign.
  • Very few data sources that permit real-time connections to Power BI reports and dashboard.
  • Users have the same email domains listed with your office 365 tenant can only be shared dashboards and reports.
  • The integration to Dynamics CRM is limited.
]]> https://www.wikitechy.com/interview-questions/power-bi/what-is-the-disadvantages-of-power-bi/feed/ 0 What is the advantages of Power BI ? https://www.wikitechy.com/interview-questions/power-bi/what-is-the-advantages-of-power-bi/ https://www.wikitechy.com/interview-questions/power-bi/what-is-the-advantages-of-power-bi/#respond Wed, 21 Jul 2021 14:14:55 +0000 https://www.wikitechy.com/interview-questions/?p=1157

Advantages of Power BI

  • Minimal upfront costs.
  • View Power BI reports across multiple platforms and devices.
  • Consolidate multiple data sources through Power BI.
  • Instantly share dashboards.Like
    • Spark
    • Hadoop
    • Google Analytics
    • SAP
    • Salesforce
    • MailChimp
  • Drag-and-drop functionality.
  • Drill-down functionality.
  • Schedule Data Refresh.
  • Write simple sentences to run report queries.
Advantages of Power Bi
]]> https://www.wikitechy.com/interview-questions/power-bi/what-is-the-advantages-of-power-bi/feed/ 0 What is the Key features of Power BI ? https://www.wikitechy.com/interview-questions/power-bi/what-is-the-key-features-of-power-bi/ https://www.wikitechy.com/interview-questions/power-bi/what-is-the-key-features-of-power-bi/#respond Wed, 21 Jul 2021 14:12:44 +0000 https://www.wikitechy.com/interview-questions/?p=1156

Key features of PowerBi

  • Hybrid deployment support
  • Quick Insights
  • Cortana integration
  • Customization
  • APIs for integration

Hybrid deployment support:

  • It has implements built-in connectors that allow Power BI tools to connect with a many different data sources from Microsoft, Salesforce and other vendors.

Quick Insights:

  • It allows us to create subsets of data and it automatically apply analytics for data.
Key features of power bi

Learn Power BI – Power BI tutorial – Key features of Power BI – Power BI examples – Power BI programs

Cortana integration:

  • It is especially popular on mobile devices, allows us to verbally query data and access results.

Customization:

  • It allows developers to change the appearance of default visualization and reporting tools and import new tools into the platform.

APIs for integration:

  • It gives developers with Application programming interface(APIs) and sample code for integrating the Power BI dashboard into various software outcome.
]]> https://www.wikitechy.com/interview-questions/power-bi/what-is-the-key-features-of-power-bi/feed/ 0 What is Power BI ? https://www.wikitechy.com/interview-questions/power-bi/what-is-power-bi/ https://www.wikitechy.com/interview-questions/power-bi/what-is-power-bi/#respond Wed, 21 Jul 2021 14:10:52 +0000 https://www.wikitechy.com/interview-questions/?p=1155

Power BI

what is power bi

Learn Power BI – Power BI tutorial – Power BI – Power BI examples – Power BI programs

  • Power BI is a group of software applications, services and connectors.
  • It combined work to change separate fields of data into visually absorp, logical and interconnected intuition.
  • Whatever your data was a simple Excel spreadsheet or a group of cloud-based and on-premises combined data warehouses.
powerbi tutorial

Learn Power BI – Power BI tutorial – Power BI – Power BI examples – Power BI programs

  • It permits to easily connect your data sources, visualize and share what you want to anyone or everyone.
  • By using Power BI as it automatically extracts data from all sources and brings that to a unified viewing pane and can analyze and visualize data, cooperate with our team to build reports and share the reports with people have plan.
power bi
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