Administrators often overlook the ________ in terms of security. However, if queried properly, it can provide valuable network information to the attackers.

Answer the following questions true (T) or false (F)

1. If I just write code, it is not in any namespace. 2. The scope of a using directive or using declaration is from its position in the block to the end of the program.

The ____ layer of the OSI model performs end-to-end connection control.?

A. ?transport B. ?data link C. ?physical D. ?session