Strengthen your knowledge of computer fundamentals, hardware, software, programming, networks, databases and information technology.
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Which protocol is commonly used to create a secure and encrypted communication channel over the Internet?
Which file extension is used for Microsoft Excel files?
Which protocol is used for file transfer over a network?
Which type of software controls computer hardware directly?
What is the purpose of a sitemap on a website?
What is an IDE in programming?
Which of the following is an output device?
Which of the following best describes 'firmware'?
What is the function of a scanner?
Which PowerPoint feature allows visual movement effects?
Which of the following protocols is used to send emails?
Which data structure is used to implement recursion internally?
Which cryptographic technique uses two different keys for encryption and decryption?
Which topology connects each device to a central hub?
Which data structure follows the Last In First Out (LIFO) principle?
Which of the following is used to structure content on a webpage?
What does HTTP status code 404 indicate?
Which network topology uses a single communication backbone?
What is the main advantage of using a database index?