Arturo is attempting to protect the database (data) of an information system (IS).
<h3>What is an information system?</h3>
An information system (IS) can be defined as a set of computer systems, that is typically used to collect, store, and process data, as well as the dissemination of information, knowledge, and the distribution of digital products.
In Cybersecurity, there are two (2) main techniques that can be used to check data when inputted in an information system (IS) and these include:
Data validation is a type of check which is primarily performed by a software program (application) to make sure that the data which is entered into an information system (IS) is allowable and sensible.
This ultimately implies that, any data that is not allowed or sensible are rejected and discarded by the computer system.
In conclusion, we can deduce that Arturo is attempting to protect the database (data) of an information system (IS).
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Network layer protocols specify the <u>packet structure</u> and processing used to carry data between hosts.
<h3>What is the Network layer protocols about?</h3>
The header, payload, as well as the trailer of a network packet are its three component pieces. The underlying network architecture or protocol employed determines the format and size of a network packet. A network packet resembles a package in concept.
Therefore, Network layer protocols define the packet format and processing needed to transfer data from one host to another host, in contrast to the Transmission layer (OSI Layer 4), which controls the data transport between the programs operating on each end computer.
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The answer is c post office protocol version 3 (POP 3)
