For example, if a bitmask of 24 were applied to the address .208, identifies the network and the remainder of the address (1-254) can be used to specify individual machines on the network..
You can find a full discussion of the topic in these Security Fundamentals articles: "Understanding IP Addresses and Binary," "Understanding IPv4 Subnetting (Part 1)," and "Understanding IPv4 Subnetting (Part 2)."A procedure that translates plain text into coded text, operating on blocks of plain text of a fixed size (usually 64 bits).
For more details, see the Live Security Service article, "Foundations: What Are NIC, MAC, and ARP?
"An international standard that aims at specifying data used in communication protocols.
Two common types exist: DER (Distinguished Encoding Rules) and BER (Basic Encoding Rules)., meaning that a key used to encrypt data cannot be used to decrypt the same data.The process of identifying an individual, usually based on a user name and password.Authentication iusually requires something a person has (such as a key, badge, or token), something a person knows (such as a password, ID number, or mother's maiden name), or something a person is (represented by a photo, fingerprint or retina scan, etc).A shortcut that enables a user to identify a group of hosts, networks, or users under one name.Aliases are used to speed user authentication and service configuration.These specifications and tools enable a developer to create applications that will interact well with other applications that the developer has never seen, because all the developers are working from standardized specifications.