Apublic announcement is made about a newly discovered, rapidly spreading virus. the security team immediately updates and applies all its antivirus signatures. the security manager contacts the antivirus vendor support team to ask why one of the systems was infected. the vendor support team explains that a signature update is not available for this virus yet. which of the following best describes this situation?
a. zero day virusb. lack of vendor supportc. untrained usersd. firewall configuration issues

Create a string list. 2. use console.readline() to collect values of firstname, lastname, street, city, state, zip, save them to list. 3. write a simple linq statement, call method uppercasewords() to change first letter to uppercase. 4. create a foreach statment to display the information. public static string uppercasewords(string value) { char[] array = value.tochararray(); if (array.length > = 1) { if (char.islower(array[0])) { array[0] = char.toupper(array[0]); } } for (int i = 1; i < array.length; i++) { if (array[i - 1] == ' ') { if (char.islower(array[i])) { array[i] = char.toupper(array[i]); } } } return new string(array);