Denial of Service (DoS) Attacks

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Questions and Answers

What is the primary goal of worms adopting the polymorphic technique?

  • To analyze the system's real-time data
  • To evade detection and skip past filters (correct)
  • To infect as many devices as possible
  • To replicate themselves quickly

What is the effect of real-time analysis on worms?

  • It helps them evade detection
  • It helps them spread faster
  • It makes them more robust
  • It foils their attempts to infect devices (correct)

What is the purpose of worm polymorphism?

  • To increase the worm's functionality
  • To evade detection and analysis (correct)
  • To increase the worm's speed
  • To reduce the worm's size

What is the relationship between worms and viruses?

<p>Worms use a technique similar to viruses (A)</p> Signup and view all the answers

What is the benefit of worm polymorphism for the worm?

<p>It helps the worm evade detection and analysis (C)</p> Signup and view all the answers

What is a characteristic of metamorphic worms?

<p>They have a range of behavioral patterns that emerge at different stages (B)</p> Signup and view all the answers

At what point do metamorphic worms exhibit different behavior patterns?

<p>At different stages of propagation (A)</p> Signup and view all the answers

What is a key aspect of the life cycle of metamorphic worms?

<p>They undergo physical changes during propagation (C)</p> Signup and view all the answers

What can be said about the behavior of metamorphic worms?

<p>It is linked to their propagation stages (C)</p> Signup and view all the answers

What do metamorphic worms have in addition to changing their appearance?

<p>A repertoire of behavior patterns (B)</p> Signup and view all the answers

How many zero-day exploits were discovered and exploited in 2015?

<p>54 (C)</p> Signup and view all the answers

When did the majority of zero-day exploits occur?

<p>2015 (B)</p> Signup and view all the answers

What is the primary purpose of Flooders (DoS client)?

<p>To generate a large volume of data to attack networked computer systems (C)</p> Signup and view all the answers

What is the trend of zero-day exploits in 2015 compared to previous years?

<p>Significantly more than previous years (B)</p> Signup and view all the answers

What is the primary characteristic of software that can be shipped unchanged to a heterogeneous collection of platforms?

<p>It can execute with identical semantics (B)</p> Signup and view all the answers

What type of attack do Flooders (DoS client) typically carry out?

<p>Denial-of-service (DoS) attack (D)</p> Signup and view all the answers

What was the source of the data about zero-day exploits in 2015?

<p>SYMA16 (D)</p> Signup and view all the answers

What type of instruction is an example of software that can be shipped unchanged to multiple platforms?

<p>Portable instruction (A)</p> Signup and view all the answers

What is the significance of the number of zero-day exploits in 2015?

<p>It's a significant increase from previous years (A)</p> Signup and view all the answers

What is the result of a successful DoS attack carried out by Flooders (DoS client)?

<p>Networked computer systems become unavailable (A)</p> Signup and view all the answers

What is the main characteristic of the data generated by Flooders (DoS client)?

<p>Large volume of data (B)</p> Signup and view all the answers

What is the benefit of using software that can be shipped unchanged to a heterogeneous collection of platforms?

<p>It simplifies the process of software deployment (A)</p> Signup and view all the answers

What is the target of Flooders (DoS client)?

<p>Networked computer systems (A)</p> Signup and view all the answers

What is an example of a platform that may be part of a heterogeneous collection of platforms?

<p>Hardware architecture (D)</p> Signup and view all the answers

What is the term for software that can be shipped unchanged to a heterogeneous collection of platforms?

<p>Portable software (B)</p> Signup and view all the answers

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