What is Firewall?

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What is Firewall?

1.firewalls are network based security measures that control the flow of incoming and outgoing traffic

2.firewall is a program that encrypts all programs that access the internet

3.a firewall is a program that keeps other programs from using the internet

4. firewall are the interrupts that automatically disconnect from the internet when a threat appears.

Posted Date:-2022-07-18 02:22:52

More MCQS Questions and answers

  1. A digital signature needs a
  2. A false positive can be defined as:
  3. A valid definition of digital evidence is:
  4. Forensic analysis involves the following:
  5. In crimes against individuals the ______ period leading up to the crime often contains the most important clues regarding the relationship between the offender and the victim.
  6. In the DNS the names are defined in _____ sturucture
  7. Investigative reconstruction is composed of three different forms. Which of the following is NOT one of those three forms?
  8. Investigators should not rely on one piece of digital evidence when examining an alibi – they should look for an associated _______.
  9. SSL stands for?
  10. The type of report that is a preliminary summary of findings is known as:
  11. What is necessary for a cross-site script attack with cookies to be thwarted
  12. _____uses the idea of certificate trust levels
  13. A full domain name is sequence of lables seperated by____
  14. An HTTP connection uses port _________ whereas HTTPS uses port ____________ and invokes SSL
  15. An investigation can be hindered by the following:
  16. Computers can play the following roles in a crime:
  17. Creating a histogram of times to reveal periods of high activity is an example of which form of investigative reconstruction?
  18. Cybertrails are advantageous because:
  19. DNS can use services of________using the well known port 53
  20. For a client-server authentication, the client requests from the KDC a ________ for access to a specific asset.
  21. For each _______ the Kerberos Key Distribution Center (KDC) maintains a database of the realm’s principal and the principal’s associated “secret keys”.
  22. How does machine learning benefit IDSes/IPSes?
  23. Imagine a social networking web app (like Twitter) that allows users to post short blurbs of text.
  24. In terms of digital evidence, the Internet is an example of:
  25. In the _______ mode, IPSec protects the whole IP packet, including the original IP header.
  26. It is quite difficult to fabricate an alibi on a network successfully because:
  27. Personal computers and networks are often a valuable source of evidence. Those involved with _______ should be comfortable with this technology.
  28. The _______ mode is normally used when we need host-to-host (end-to-end) protection of data.
  29. The _____domains define registered hosts according to their generic behaviour.
  30. The crime scene preservation process includes all but which of the following:
  31. The domain name space (tree) is devided into---------different sections
  32. The fact that with modern technology, a photocopy of a document has become acceptable in place of the original is known as:
  33. The features of traditional IPSes are found in all of these modern systems, except:
  34. The first step in applying the scientific method to a digital investigation is to:
  35. The following specializations exist in digital investigations:
  36. The process model whose goal is to completely describe the flow of information in a digital investigation is known as:
  37. The process of documenting the seizure of digital evidence and, in particular, when that evidence changes hands, is known as:
  38. The process of documenting the seizure of digital evidence and, in particular, when that evidence changes hands, is known as:
  39. The root of DNS tree is____
  40. To demonstrate that someone is lying about an alibi, it is necessary to:
  41. Types of digital evidence that might corroborate an alibi include:
  42. What are the three general categories of computer systems that can contain digital evidence?
  43. What are the two primary classifications of cross-site scripting?
  44. What is Firewall?
  45. What is the most important activity in system hacking?
  46. What port does Telnet use?
  47. When assessing the reliability of digital evidence, the investigator is concerned with whether the computer that generated the evidence was functioning normally, and:
  48. Which is true of a signature-based IDS?
  49. Why would a hacker use a proxy server?
  50. Why would HTTP Tunneling be used?
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