The Librarian of a Small Community Library Has Compiled the Number

question 54

Essay

The librarian of a small community library has compiled the number of people who visited the library and the respective number of checked-out books, and created the line chart shown below: Interpret the chart, where the solid line is the number of visitors and the dashed line is the number of books checked-out.
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Definitions:

Trojan

A virus program that appears to be a normal application but that, when executed, changes something. It does not replicate but could gather information that could later be used to hack into someone’s computer.

Multifactor Authentication

A security system requiring more than one method of authentication from independent categories of credentials to verify the user's identity.

Password/PIN

Security measures used to protect access to devices and accounts, consisting of a secret series of characters (password) or numbers (PIN) known only to the user.

Smart Card

A small ID-size card that can store data, be encrypted, and swiped through and/or interact wirelessly with a smart card reader. Examples of smart cards are identification, medical, credit, and access card.