Summary

--- primaryColor: '#512888' secondaryColor: '#cccccc' textColor: black shuffleQuestions: true shuffleAnswers: true locale: en --- # Software Library A **software library** is best described by which statement? 1. [X] A package or module developed outside our application 1. [ ] A list of applications we can use on our computer 1. [ ] A common structure in code to solve a particular problem 1. [ ] A set of variables used to access the memory on a system # Modular Code What is one major benefit of writing code in a modular format that is discussed in this chapter? 1. [X] Code can be reused between many applications 1. [ ] Programs are smaller and easier to understand 1. [ ] UML diagrams of the system are less complex 1. [ ] Short methods are more efficient # Static Library A **static library** is best described by which statement? 1. [X] Library code that is included in our application's executable file 1. [ ] Library code that is accessed dynamically at runtime 1. [ ] Library code that contains classes we can use in our code 1. [ ] Library code that is only used once by the application # Shared Library A **shared library** is best described by which statement? 1. [ ] Library code that is included in our application's executable file 1. [X] Library code that is accessed dynamically at runtime 1. [ ] Library code that contains classes we can use in our code 1. [ ] Library code that is only used once by the application # Class Library A **class library** is best described by which statement? 1. [ ] Library code that is included in our application's executable file 1. [ ] Library code that is accessed dynamically at runtime 1. [X] Library code that contains classes we can use in our code 1. [ ] Library code that is only used once by the application # Framework Which of the following statements accurately differentiates between a **software library** and a **software framework**? 1. [X] A framework calls our code, and our code calls a library's code 1. [ ] A library calls our code, and our code calls a framework's code 1. [ ] Our code calls a framework's code, and a framework calls a library's code 1. [ ] Our code calls a library's code, and a library calls a framework's code # Framework Patterns A software framework commonly uses what software design pattern, allowing us to override and implement parts of a method while it controls the overall structure of the method? 1. [X] Template method pattern 1. [ ] Factory method pattern 1. [ ] Adapter pattern 1. [ ] Iterator pattern # Repository When discussing software libraries, a **repository** is best described by which statement? 1. [X] A database of libraries that can be downloaded and used 1. [ ] An online storage device for user data 1. [ ] An encrypted store for usernames and passwords 1. [ ] A container for installing software libraries in an application # Package Many software libraries are distributed using **packages**, which are best described by which statement? 1. [X] The library and all supporting files bundled together 1. [ ] A file that only contains a single class 1. [ ] A tool for downloading and installing libraries 1. [ ] A container for installing software libraries in an application # Security Which of the following items are listed as a security concern to keep in mind when reviewing a software library (choose all that are correct)? - [X] The purpose of the library - [X] How popular the library is - [X] Whether the code is open source or not - [X] The license applied to the software - [X] The developer of the software # Free Software According to the Free Software Foundation, which of the following is **not** one of the four freedoms used to determine if software is truly free? 1. [X] Resell 1. [ ] Use 1. [ ] Study 1. [ ] Share 1. [ ] Improve # Public Domain A **public domain** software license is best described by which statement? 1. [X] Software can be used by anyone for any purpose without restriction 1. [ ] Few restrictions, typically protecting the author from liability 1. [ ] Derivative works must be released under the same license 1. [ ] Software is not open source or free and restrictions vary widely # Permissive License A **permissive** software license is best described by which statement? 1. [ ] Software can be used by anyone for any purpose without restriction 1. [X] Few restrictions, typically protecting the author from liability 1. [ ] Derivative works must be released under the same license 1. [ ] Software is not open source or free and restrictions vary widely # Copyleft License A **copyleft** software license is best described by which statement? 1. [ ] Software can be used by anyone for any purpose without restriction 1. [ ] Few restrictions, typically protecting the author from liability 1. [X] Derivative works must be released under the same license 1. [ ] Software is not open source or free and restrictions vary widely # Proprietary License A **proprietary** software license is best described by which statement? 1. [ ] Software can be used by anyone for any purpose without restriction 1. [ ] Few restrictions, typically protecting the author from liability 1. [ ] Derivative works must be released under the same license 1. [X] Software is not open source or free and restrictions vary widely # Creative Commons CC0 The **Creative Commons CC0** license is an example of which type of software license? 1. [X] Public Domain License 1. [ ] Permissive License 1. [ ] Copyleft License 1. [ ] Proprietary License # BSD and Apache The **BSD** and **Apache** licenses are examples of which type of software license? 1. [ ] Public Domain License 1. [X] Permissive License 1. [ ] Copyleft License 1. [ ] Proprietary License # GNU General Public License The **GNU General Public License (GPL)** is an example of which type of software license? 1. [ ] Public Domain License 1. [ ] Permissive License 1. [X] Copyleft License 1. [ ] Proprietary License # Apple The **Apple Licensed Application End User License Agreement** is an example of which type of software license? 1. [ ] Public Domain License 1. [ ] Permissive License 1. [ ] Copyleft License 1. [X] Proprietary License # Don't Reinvent the Wheel True or false: when developing a new software application from scratch, it is not worth looking to see if a software library would meet that need since it is unlikely to exist? 1. [ ] True 1. [X] False