Data Availability and Security Quiz

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What is the purpose of intrusion detection system?

To prevent attacks by black holing the traffic

To take action to prevent attacks

To alert someone about the attack (correct)

To patch and update systems

What is the main concern with intrusion prevention systems?

They are ineffective against all types of attacks

They require constant manual intervention

They are very expensive to implement

They may lead to false positives (correct)

Why is patch management important for system security?

It reduces the cost of implementing security measures

It ensures that systems are always up to date (correct)

It prevents all types of cyber attacks

It eliminates the need for intrusion detection systems

How can redundancy contribute to system availability?

By providing backup systems in case of component failure Signup and view all the answers

What was the consequence of Equifax's failure to patch their systems?

Compromised security leading to a massive data breach Signup and view all the answers

What is the purpose of RAID in system setup?

To provide redundant storage to prevent data loss Signup and view all the answers

Why do most servers have hot swappable hard drives?

To enable quick replacement in case of predicted disk failures Signup and view all the answers

What is the main advantage of having redundant traffic paths in a network setup?

It reduces the risk of network downtime in case of component failure Signup and view all the answers

How does senior management's demand for 'a hundred percent, never' on server downtime challenge IT professionals?

It demands translation into practical measures within budget constraints Signup and view all the answers

Why is testing patches in a test bed important before implementation?

To ensure that patches do not interfere with system operations Signup and view all the answers

In what scenario would redundancy be less critical for a server setup?

For servers used for infrequent reports and analysis Signup and view all the answers

What are the core principles that the rest of the course will go back to?

Confidentiality, availability, and integrity Signup and view all the answers

Why does the author mention that confidentiality is not a huge problem for their website?

Because they want people to access their website easily Signup and view all the answers

What happens if there's excessive integrity checks on the data?

It slows down and may not be usable as it should Signup and view all the answers

What is the opposite of confidentiality?

Disclosure Signup and view all the answers

What is the opposite of integrity according to the text?

Alteration Signup and view all the answers

If data or systems are either destroyed or rendered inaccessible, what does the text refer to it as?

Destruction Signup and view all the answers

What is the right mix needed to protect whatever you're protecting?

Confidentiality, integrity, and availability Signup and view all the answers

If there's too much availability, what can suffer according to the text?

Confidentiality and integrity Signup and view all the answers

What do we get if we encrypt and digitally sign a message according to the text?

Confidentiality and non-repudiation Signup and view all the answers

What are the opposite principles to the CIA triad according to the text?

Disclosure, alteration, and destruction Signup and view all the answers

What makes IT security so fundamental according to the text?

The right mix of confidentiality, integrity, and availability Signup and view all the answers

What is the basis of IT security according to the text?

Confidentiality, integrity, and availability Signup and view all the answers

What is the main goal of availability?

Ensuring authorized users can access data when needed Signup and view all the answers

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