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Welcome to the Piracy and Copy Protection MCQs Page

Dive deep into the fascinating world of Piracy and Copy Protection with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Piracy and Copy Protection, a crucial aspect of Reverse Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Piracy and Copy Protection, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Reverse Engineering.

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Check out the MCQs below to embark on an enriching journey through Piracy and Copy Protection. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Reverse Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Piracy and Copy Protection. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Piracy and Copy Protection MCQs | Page 5 of 13

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Q41.
How did media-based protections work on floppy disks?

a.

By creating special sectors in the distribution floppies

b.

By checking for the presence of a hardware device

c.

By requiring users to enter a serial number

d.

By activating the software online

Discuss
Answer: (a).By creating special sectors in the distribution floppies Explanation:In floppy disks, this was implemented by creating special “bad” sectors in the distribution floppies and verifying that these sectors were present when the program was executed.
Q42.
Which programs could deal with the special sectors created in media-based protections?

a.

Programs that required users to activate the software online

b.

Programs that used a hardware device to secure the software

c.

Programs that could duplicate the special sectors

d.

Programs that used a serial number to authenticate software

Discuss
Answer: (c).Programs that could duplicate the special sectors Explanation:Several programs were written that could deal with these special sectors and actually try to duplicate them as well. Two popular ones were CopyWrite and Transcopy.
Q43.
Are programs that duplicate the special sectors in media-based protections legal?

a.

Yes

b.

No

c.

May be Yes or No

d.

Can't say

Discuss
Answer: (b).No Explanation:There was significant debate on whether these programs were legal or not. Nowadays they probably wouldn’t be considered legal.
Q44.
What is the purpose of using serial numbers in software?

a.

To prevent the installation of software on unapproved hardware

b.

To track the number of installations on a given machine

c.

To ensure that the user has a valid copy of the software

d.

To reduce the likelihood of unauthorized software modifications

Discuss
Answer: (c).To ensure that the user has a valid copy of the software Explanation:The purpose of using serial numbers in software is to ensure that the user has a valid copy of the software.
Q45.
How does the installation program verify the validity of a serial number?

a.

It checks the user’s name and address against a database of authorized users

b.

It uses a secret validation algorithm

c.

It sends the serial number to the software vendor for verification

d.

It compares the serial number to a list of known pirated keys

Discuss
Answer: (b).It uses a secret validation algorithm Explanation:The installation program verifies the validity of a serial number by using a secret validation algorithm.
Q46.
Why is relying exclusively on a plain serial number flawed?

a.

It is too difficult for legitimate users to enter correctly

b.

It is easily sharable among users

c.

It does not provide enough information to the software vendor about the user

d.

It is too expensive to produce and distribute serial numbers

Discuss
Answer: (b).It is easily sharable among users Explanation:Relying exclusively on a plain serial number is flawed because it is easily sharable among users.
Q47.
What is the impact of the internet on the effectiveness of serial numbers as a protection mechanism?

a.

It has no impact

b.

It has made serial numbers more effective

c.

It has made serial numbers less effective

d.

It has made serial numbers unnecessary

Discuss
Answer: (c).It has made serial numbers less effective Explanation:The impact of the internet on the effectiveness of serial numbers as a protection mechanism is that it has made them less effective because it is easy for malicious users to post valid serial numbers online.
Q48.
What is a challenge response in the context of software copy protection mechanisms?

a.

A well-known authentication protocol used for authenticating specific users or computers in computer networks

b.

A unique machine identifier used during installation to register a user with the software vendor

c.

An encryption key known only to the user and software vendor

d.

A response generated by the software vendor that is mathematically confirmed to be valid during installation

Discuss
Answer: (a).A well-known authentication protocol used for authenticating specific users or computers in computer networks Explanation:A challenge response is a well-known authentication protocol typically used for authenticating specific users or computers in computer networks. This protocol can be used in the context of software copy protection mechanisms.
Q49.
What is the difference between the original serial number protection scheme and the challenge response scheme?

a.

The challenge response scheme retrieves a unique machine identifier during installation.

b.

The original serial number scheme sends a challenge response to the software vendor.

c.

The challenge response scheme does not require the user to type in a serial number during installation.

d.

The original serial number scheme does not provide usage information to the software vendor.

Discuss
Answer: (a).The challenge response scheme retrieves a unique machine identifier during installation. Explanation:In the challenge response scheme, during installation, the installation program retrieves a unique machine identifier (such as the CPU ID), and generates a unique value from the combination of the serial number and the machine identifier. In the original serial number scheme, the installation program only requires the user to type in the serial number during installation.
Q50.
How does the challenge response scheme provide usage information to the software vendor?

a.

By sending a response back to the installation program that is mathematically confirmed to be valid

b.

By limiting the number of installations that the user is authorized to make

c.

By retrieving a unique machine identifier during installation

d.

By sending a unique value to the software vendor that is generated from the combination of the serial number and the machine identifier

Discuss
Answer: (d).By sending a unique value to the software vendor that is generated from the combination of the serial number and the machine identifier Explanation:In the challenge response scheme, during installation, the installation program retrieves a unique machine identifier (such as the CPU ID), and generates a unique value from the combination of the serial number and the machine identifier. This value is then sent to the software vendor, which provides usage information to the software vendor.
Page 5 of 13

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