An app is an abbreviation for application and is commonly used as a term for programs that are installed on both smartphones and tablet computers

A system administrator is implementing a firewall ACL to block specific communication to and from a predefined list of IP addresses, while allowing all other communication. Which of the following rules is necessary to support this implementation?

A. Implicit allow as the last rule B. Implicit allow as the first rule C. Implicit deny as the first rule D. Implicit deny as the last rule

If str is a string class object, the member function str.length() returns

A) the number of characters that make up the str string object. B) the same value as the member function str.size(). C) the number of integer variables that make up the str object. D) Both A and B are correct. E) Both A and C are correct.