What is an example of Big Data? entering and tracking a company's daily transaction records in a spreadsheet
tracking the work hours of 100 employees with a real-time dashboard
sending user survey responses from various store branches to a single, central database
providing real-time data feeds on millions of people with wearable devices
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3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

Consider the following statements, then select one of the answers below: the signal() function shown below registers "sig_handler()" as the signal handler function for the sigkill signal, without the complexity of using when the sigkill signal is sent to a process running this code, by a user typing "kill -kill ", where the correct process id is used for to target the process, sig_handler() will be executed.

What is the most popular genre of video games?