Why do we patch bugs after software is out?

Because of implementation error

How does a computer understand who it is interacting with?

What you know, what you have, and what you are

Why are security kernels so reliable?

Because they have so little code

Why are threat models important?

To best guard your computer against a specific attack

What is false in a system with three different levels of access control?

With highest access, you can write all levels of files

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Cybersecurity: Crash Course Computer Science #31

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A Quiz based off the #CrashCourse #ComputerScience youtube video on #CyberSecurity. Can you step up to the #challenge?

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Questions 14

Answers

1
Why do we patch bugs after software is out?
A security program needs to be updated to the new software
Because of implementation error
If they get hurt
Simply for efficiency
2
What is one weakness of what you are authentication?
Only work for you
Dangerous
Deterministic
Money
3
How does a computer understand who it is interacting with?
What you know, what you have, and what you are
Identification
Type of data asked for
It just knows
4
What is not an existing model of access control?
Three-level model
Chinese Tunnel model
Biba model
Multi-level security model
5
What is it called when hackers overload a website with requests to attack availability?
Computer Overload Attack
Denial of Network Attack
Denial of Service Attack
Denial of Availability Attack
6
Why are security kernels so reliable?
They are inefficient
They are stored in internet backdoors
Because of their shifting nature, too complex for hackers
Because they have so little code
7
What is independent verification and validation?
Testing that the code works
Using a bot
Reviewing your work
Multi-person auditing
8
What is the last and final step you can use for securing your computer?
Back it up using international code
Having others try to crack the system
Secure the source of your system code
Isolating it
9
What would be the best password?
6547
Likety rake life
Password1
6fFg45@star$$
10
Why are threat models important?
To best guard your computer against a specific attack
To develop a broad computer security program
To understand why a hacker does it
To keep your nosy roommate away from your computer
11
What does cybersecurity not protect in regards to computer systems?
Data
Integrity
Availability
Connectivity
12
What is false in a system with three different levels of access control?
With lowest access, you can't write all levels of file
If you have lowest access, you can only read that level
With highest access, you can write all levels of files
If you have highest access, you can read any level
13
How many possible combinations are there for a 4-digit pin?
103
109
102
106
14
What are the permission options for access control?
Run program, Read, Edit
View, Write, Analyze
Yes or no
Execute, Write, Read

Cybersecurity: Crash Course Computer Science #31 Flashcards | StudBud