Tyler Richardson set up a house alarm system when he moved to his new home in Seattle. For security purposes, he has all of his mail, including his alarm system bill, mailed to his local UPS store. Although the alarm system is activated and the company is aware of its physical address, Richardson receives repeated offers mailed to his physical address, imploring him to protect his house with the system he currently uses. What do you think the problem might be with that company's database(s)?

1)consider the following code snippet: #ifndef book_h#define book_hconst double max_cost = 1000.0; class book{public: book(); book(double new_cost); void set_cost(double new_cost); double get_cost() const; private: double cost; }; double calculate_terms(book bk); #endifwhich of the following is correct? a)the header file is correct as given.b)the definition of max_cost should be removed since header files should not contain constants.c)the definition of book should be removed since header files should not contain class definitions.d)the body of the calculate_terms function should be added to the header file.

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.

What can you prevent issues related to downloading content form the internet