Questions and Answers
What is the main difference between a worm and a virus?
A worm can replicate itself, while a virus requires a host for distribution.
What type of malware do the zombie computers represent?
Which is a program that appears to be a legitimate application but performs malicious activities?
Which of the following is undetectable software that allows administrator-level access?
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What term best describes malware that masquerades as a virus scanner to gain access?
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What best describes spyware?
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What is the primary distinguishing characteristic between a worm and a logic bomb?
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What is another name for a logic bomb?
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What has happened to the file that has been quarantined by the antimalware software?
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Which statement about antivirus software is correct?
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If your antivirus software does not detect a virus, what should you try first?
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What action would best prevent malware infection if the signature file is updated manually?
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Study Notes
Malware Types and Characteristics
- Worms replicate independently, while viruses need a host for distribution.
- Worms gather information, whereas viruses typically try to destroy data.
- Worms can spread across systems, but viruses are confined to a single system.
Botnet Definition
- A botnet is a collection of infected computers (zombie computers) used to gather personal information.
Trojan Horse Description
- A Trojan horse masquerades as a legitimate application but performs malicious activities covertly.
Rootkit Functionality
- Rootkits are undetectable software granting administrator-level access to systems.
Characteristics of Specific Malware
- A software disguised as a virus scanner that tracks system activity and provides remote access is categorized as a rootkit.
Spyware Functionality
- Spyware monitors user actions and sends gathered information back to its original source.
Worm vs. Logic Bomb
- The primary distinguishing feature of a worm is its ability for self-replication, unlike a logic bomb.
Logic Bomb Alias
- Another term for a logic bomb is an asynchronous attack.
Antimalware Software Quarantine
- When a file is quarantined by antimalware software, it is moved to a secure folder, not deleted.
Importance of Antivirus Updates
- Antivirus software should be configured to automatically download updated virus definitions as they become available.
Responding to Antivirus Failures
- If a virus is not detected, the first step should be updating the virus detection software.
Preventing Future Infections
- To avoid future infections, consider switching to more reliable antivirus software or ensuring proper firewall management instead of manual signature updates alone.
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Description
Test your knowledge on the differences between worms and viruses in computer security. This quiz covers key characteristics and behaviors that distinguish these two types of malware. Understand how each one operates and impacts computer systems.
