How can you check whether a Pivot Table is modified or not? How can I prevent a loss in the format of my Pivot tables? How can I turn off the auto Format option? Where can I find the options for this? How can I turn off  the automatic sorting feature in Pivot tables?

What would I need to make a Skype call to a person overseas? Can I Call a Skype user from another country (international) for free? Can I call a normal phone (mobile or land phone number) from Skype? Is this free or will Skype charge me for this? Is the rate cheaper than calling card rates? 

What is Document Object Model? What is it used for? What is a Dom Tree? How is Dom different from HTML? How can you manipulate the DOM using HTML? How is JavaScript different from DOM? What is an Object in DOM? What is a property and a method in the context of DOM?

It is the responsibility of a modern day web developer to ensure that a website is compatible for commonly used browsers. Is this statement true or false? How can you perform Web Browser Compatibility testing or cross browser testing. Name some tools that you could use for cross browser testing.

What is a Telco Content Delivery Network (Telco CDN)? What is its advantage over a traditional CDN? Name some Telco CDNs. What is a federated CDN? How has cyber security, scaled up to meet the demands of a CDN? What is the Internet Content Adaptation protocol?

Hello, how are you all? I hope well. I have a Tune bug vibe surface portable speaker. I used it in Windows 8. But one of my friends liked it and bought it. He is a windows XP user. The problem is, the Tune bug vibe surface portable speaker want's the XP version software. Is here someone who could help?

Hi, I am a regular internet user who uses Webcams for video conversation. Recently I have bought a  Logitech HD C920 Webcam. I did saw the advertisement on a website. They said it the webcam is able record HD video. But I can't record it. Anyone can help me please?

Name some functions in Excel and how I can use them? What is the purpose of the lookup function in EXCEL? What operation does the AND function perform? What is IF function in Excel? How is the “What If “condition used in Excel to give different answers when you change the data ?

What is the Dynamic Named Range? How can you create a dynamic named range in excel? How would you provide a Dynamic Range in Data Source for a Pivot Table? Is it possible to make a pivot table from multiple sources of data in the same workbook .Can you make one from data in different workbooks?

What is the difference between trivial file transfer protocol (TFTP) and File transfer protocol (FTP) from the security point of view? What are the advantages and disadvantages of using TFTP? What are the added steps to be taken with regard to increasing the security of when implementing TFTP for data file transfer?