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cs 161 Exam |Questions with Correct Verified Answers
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cs 161 Exam |Questions with Correct Verified Answers
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cs 161 Exam |Questions with Correct VerifiedAnswers
How does a firewall work - ANSWER Incoming and outgoing network traffic is routed through
the firewall, the firewall examines each messages and blocks any communication that does
not meet the security criteria
How to secure a wireless network - ANSWER Router should require a security code to
gain acces, Set the encryption for the router or device to the highest standard offered,
Network attack - ANSWER Attack on computers network that causes a disruptive service
Botnet - ANSWER A collection of zombie computers that work together to conduct an attack on
another network
Uses of botnets - ANSWER send spam emails, spread viruses, steal personal data or conduct
a denial of service attack
zombie compuer - ANSWER A computer connected to the Internet and controlled by a
hacker without the owners knowledge
How does a computer become a zombie? - ANSWER being infected by viruses that is hidden
to the user and is controlled remotely by the hacker
Denial of service - ANSWER Occurs when a botnet attacks a network by sending a
constant stream of messages that overwhelms the server so that it slows down or
completely shuts down
, Targets of denial of service - ANSWER well known companies or government agenicies
How to prevent a network attack - ANSWER -Scan your device
regularly - update OS regularly
-Make sure a firewall is always active
HOW TO KNOW IF YOUR COMPUTER IS COMPRIMISED - ANSWER -Internet connectivity
slows down
-Activity occurs when you are not running any
programs -Key board or mouse become unresponsive
-A different default website appears when you open the
browser -New desktop icons or tool bars appear
Malware? - ANSWER Software that has malicious intent
What does malware target - ANSWER -Damage, modify, delete
files -steal personal data
- track users activity
- use your computer to launch unwanted activities somewhere else
- Fills up memory and storage space w/ copies of itself
How does malware spread? - ANSWER -Plugging into a infected outside device
-Opening infected email attachments
- Clicking on spoofed links
- via social engineering
- through person 2 person file sharing
- via Bluetooth & mms file transfers
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