<span>the three fundamental elements of an effective security program for information systems are Identification, Authentication and Authorization.The access control creates the user and assigns the rights to resources and authorization is giving permissions to the users to access the resources.The user who wants to enter the system should have a valid data t enter the system like password, fingerprint or any other type of recognition.</span>
Ans : Extention
In windows, a(n) extension follows the file name and a period and indicates the file type.
Answer: Packets are the small unit of data that is sent from source to destination on a network.
Explanation: Packets are small packages that carry data in a packet form and is used from transferring it on internet or any kind of packet-switched network. They use the internet protocol (IP) for the transmission of data.
Example: packet radio is a sort of digital radio that uses the packet for transmission of data to other nodes by utilizing the AX-25 protocol.
<u>Active Directory</u> consist of many users and their information.