Session 2 : These are all the key terms definition

Computer Network
A computer network is a group of computers that are connected together to communicate and share resources such as files, printers, and email.



Server
A server is a network computer that shares resources with and responds to requests form other network computers, including other servers.




A client is a network computer that utilizes the resources of other network computers including other clients.



A peer is a self-sufficient computer that acts as both a server and a client to other similar computers on the network.




A host computer is a powerful, centralized computer system, such as a mainframe computer, that performs data storage and processing tasks on behalf of clients and other network devices.





A terminal is a specialized network device on a host-based network that transmits the data entered by the user to host for processing and displays the results.




Authentication is a network security measure in which a computer user or some other network component proves its identity in order to gain access to network resources.
The possible authentication method is:
User Name and Password Authentication




Encryption is a network security measure in which information is encoded or scrambled prior to transmission so that it cannot be read unless the recipient knows the decoding mechanism, or key.





A network directory, or directory service, is a centralized database that includes objects such as servers, clients, computers, usernames, and passwords.




A networking standard is a set of specifications, guidelines, or characteristics applied to network components to ensure interoperability and consistency between them.
Formalization of standards is done by International Organization for Standardization.



Some of the standards bodies that issue standards are:
~International Organization for Standardization (ISO)
~Institute of Electrical and Electronics Engineers (IEEE)
~American National Standards Institute (ANSI)
~Telecommunications Industry Association (TIA)
~Electronic Industries Alliance (EIA)
~Internet Engineering Task Force (IETF)

Let's move to next session...