A class A subnet mask is designated as:Group of answer choices255.255.255.255255.255.255.0255.255.0.0255.0.0.0

A subnet mask is used to identify the network portion of an IP address.Group of answer choicesTrueFalse

Match the IP address class to its default subnet mask.Group of answer choicesClass AClass BClass CClass DClass E

hat subnet mask would be equivalent to the Classless Interdomain Routing (CIDR) notation /22?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionA255.255.255.0optionB255.255.252.0optionC255.255.255.254optionD255.255.128.0

What is the purpose of a subnet mask in IP networking?Group of answer choicesTo identify the network portion of an IP addressTo identify the host portion of an IP addressTo specify the number of available IP addresses in a subnetTo encrypt IP traffic for security purposes

Define the term "subnet mask" and explain how it is used to divide an IP address into network and host portions.