You work as a network administrator for Tech Perfect Inc. The company has a TCP/IP-based network. You have configured an 802.11g Wireless LAN (WLAN) on your network. Which of the following factors can deteriorate the performance and range of the WLAN? Each correct answer represents a complete solution. A) Metal ceilingsB) Concrete wallsC) Cordless phonesD) FM radios

Consider the following statements: struct nametype{string first; string last; }; struct coursetype{string name; int callnum; int credits; char grade; }; struct studenttype{nametype name; double gpa; coursetype course; }; studenttype student; studenttype classlist[100]; coursetype course; nametype name; mark the following statements as valid or invalid. if a statement is invalid, explain why.a.) student.course.callnum = "csc230"; b.) cin > > student.name; c.) classlist[0] = name; d.) classlist[1].gpa = 3.45; e.) name = classlist[15].name; f.) student.name = name; g.) cout < < classlist[10] < < endl; h.) for (int j = 0; j < 100; j++)classlist[j].name = name; i.) classlist.course.credits = 3; j.) course = studenttype.course;