Malware Detection and Prevention - Expert

1. A user reports that their computer has been acting strangely, with pop-up ads appearing frequently and the machine running slower than usual. Which type of malware is likely the cause of this behavior?

Virus

Adware

Trojan

Rootkit

Question 1 of 10

2. Which of the following is a common technique used by hackers to spread malware?

Phishing

Social engineering

Drive-by download

All of the above

Question 2 of 10

3. Which of the following is a benefit of using a firewall?

Blocks unauthorized access to a network

Detects and removes malware

Provides encryption for data

Backs up data in case of a system failure

Question 3 of 10

4. What is the purpose of an antivirus program?

To prevent malware from infecting a computer

To remove malware from an infected computer

To monitor network traffic for suspicious activity

To back up data in case of a system failure

Question 4 of 10

5. Which of the following is a characteristic of a zero-day vulnerability?

It is a vulnerability that is unknown to the vendor or developer

It is a vulnerability that can be exploited without user interaction

It is a vulnerability that has been patched by the vendor or developer

It is a vulnerability that is only found in older versions of software

Question 5 of 10

6. What is the difference between a virus and a worm?

A virus needs a host program to run, while a worm does not

A worm can spread itself over a network, while a virus cannot

A virus is always malicious, while a worm may not be

All of the above

Question 6 of 10

7. Which of the following is a best practice for preventing malware infections?

Keep software up to date

Use a firewall

Be cautious when clicking links in emails or on websites

All of the above

Question 7 of 10

8. What is the purpose of a sandboxing mechanism?

To isolate untrusted code or applications

To back up data in case of a system failure

To encrypt data before it is stored

To block unauthorized access to a network

Question 8 of 10

9. Which of the following is a type of intrusion detection system (IDS)?

Host-based IDS

Network-based IDS

Behavior-based IDS

All of the above

Question 9 of 10

10. What is the difference between a false positive and a false negative in the context of malware detection?

A false positive is when the system detects malware that is not actually present, while a false negative is when the system fails to detect malware that is actually present

A false positive is when the system fails to detect malware that is actually present, while a false negative is when the system detects malware that is not actually present

A false positive is a type of malware that is not actually malicious, while a false negative is a type of malware that is very dangerous

A false positive and a false negative are the same thing

Question 10 of 10

Malware Detection and Prevention – Expert

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