Cybersecurity: CC CS #31

​CYBERSECURITY: Crash Course CS #31

CYBERSECURITY:

Crash Course CS #31

Take notes on the video and amend them in a different color using the questions that follow.

​Crash Course Computer Science #31: Cybersecurity

Multiple Choice

Which is not listed as a feature of computer systems and their data protected by cybersecurity?

• Availability

• Connectivity

• Secrecy

• Integrity

Multiple Choice

Hackers overloading a website with requests in order to attack its availability to other users is called:

• Denial of Network Attack

• Denial of Availability Attack

• Denial of Service Attack

• Computer Overload Attack

Multiple Choice

Why are threat models important?

• To keep your nosy roommate AND your little brother away from your computer

• To best guard your computer against the most likely attack

• To develop a broad computer security program that will guard against every possible attack

• To guard against any threat no matter how unlikely

Multiple Choice

Which is NOT one of the three factors of authentication?

• what you know

• what you have

• what you are

• what you do

Multiple Choice

How many possible combinations are there for a 4-digit decimal pin number?

• 100

• 1,000

• 10,000

• 100,000

Multiple Choice

Which would be the best password?

• Likety rake life

• P@$$word123

• 6547

• password123

Multiple Choice

Which is an example of what-you-are authentication?

• a password

• a physical key

• a digital key

• a thumb print

Multiple Choice

What are the permission options for access control?

• view, write, analyze

• execute, write, read

• run program, read, edit

• yes or no

Multiple Choice

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

• If you have lowest access, you can only read that level

• with lowest access, you can't write all levels of file

• with highest access, you can write all levels of files

• if you have highest access, you can read any level of file

Multiple Choice

Why are security kernels so reliable?

• their shifting nature is too complex for hackers

• they have so little code

• they are stored in internet backdoors

• they are so inefficient

Multiple Choice

What is independent verification and validation?

• reviewing your own work

• multi-person auditing

• using a bot to check your work

• testing your own code

Multiple Choice

What approach should good developers take to prepare for when, not if, their programs are compromised?

• the pig pen approach

• the cloud approach

• The railroad approach

• the sandbox approach