1. What roles does a firewall perform?2. Most enterprise networks use both host firewalls, such as Windows Firewall and network firewalls. Why would you want to use both?3. Which tool should you use to modify firewall rules on a Windows server?4. In the lab, you enabled a firewall rule that allowed users on an external network to connect to a Web server using HTTP. Which port is used for these connections?5. Can a host-based firewall help defend against malware and viruses?

What is one way in which tablets differ from laptops and notebooks? tablets are designed for touch-based interaction. tablets are designed to be used as desktops. tablets are designed for input via a keyboard and mouse. tablets are designed to be larger than laptops.

Consider the following code snippet: #ifndef cashregister_h#define cashregister_hconst double max_balance = 6000000.0; class cashregister{public: cashregister(); cashregister(double new_balance); void set_balance(double new_balance); double get_balance() const; private: double balance[12]; }; double get_monthly_balance(cashregister bk, int month); #endifwhich of the following is correct? a)the header file is correct as given. b)the definition of max_balance should be removed since header files should not contain constants. c)the definition of cashregister should be removed since header files should not contain class definitions. d)the body of the get_monthly_balance function should be added to the header file.

Which demographic challenge is europe currently experiencing? a. an aging and decreasing population b. a baby boomc. an unequal distribution between males and females d. a large group of teenagers moving through the school system(i chose a but i'm unsure)