What risks and safeguards are associated with wireless communication? what is “war driving” or “war flying”? are you comfortable (or would you use) a wireless “hot spot” to do computer work? what safeguards might you use in accessing an unprotected (public) wireless communications? are you more at risk using a wireless connection via laptop or a connection via a smart phone?

Write code using c . (take input from user) calculate the size of a given file in kbs. in this task you will complete the function with the following prototype: float get_file_size(char * filename); the function takes the file name (address to the start of a null terminated character array) as input. the function should then open the file and find the number of bytes it contains till eof. the number of bytes divided by 1024 will give the size in kbs. if the file cannot be opened the function should return -1.

Whose task it is to ensure that the product flows logically from one step to another?

Using a conditional expression, write a statement that increments numusers if updatedirection is 1, otherwise decrements numusers. ex: if numusers is 8 and updatedirection is 1, numusers becomes 9; if updatedirection is 0, numusers becomes 7.