Test your basic knowledge |

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.






2. Network scanner.






3. Connection oriented - before systems can communicate over an ATM network - they must establish a virtual circuit between each other - this can span across multiple ATM switches that also handle communications for other systems - at the end of the con






4. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process






5. Provides insight into the tactics - motives - and attacker tools






6. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication






7. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application






8. Connects the physical part of the network (cables) with the abstract (packets and datastreams)






9. One is for talking - one is for implementing






10. Parasitic malware - boot record infector - macro - COM/Script program infector - EXE program infector






11. A time of check/time of use attack that exploits the difference in between when a security control was applied and the time the service was used.






12. Message in its encrypted form






13. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.






14. Syn - Syn/Ack - Ack






15. Known - unknown - zero day






16. size is whatever the length of the UDP portion of the packet. Could be as large as 65 -535






17. Improper deployment can increase attack risk - if production systems aren't sufficiently protected - they can be vulnerable from a honeypot - legal liability






18. True positive - false positive - true negative - false negative






19. Anonymous FTP - FTP passes through clear text - Bounce attacks with the PORT command - user can cause an FTP to open a connection from the FTP's own commands and bypass a firewall






20. TCP/IP - the IP protoco - The core routing protocol of the internet - - deals with transmission of packets between end points - defines the addressing scheme for the internet






21. Confidentiality - integrity - availability






22. destruction of data - leaking confidential information - providing backdoor access






23. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port






24. Common backdoor to open a port - port scan scans for open ports on remote host - scans 0 - 65 -535 twice. TCP and UDP






25. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer






26. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted






27. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere






28. Infects MBR - no network spreading potential






29. Threat requires a vector to cross the vulnerability - stop the ability of the threat to use the vector






30. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above






31. Confidentiality - symmetric encryption






32. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK






33. Uniform protection - protected enclaves - information centric - threat vector analysis






34. Uses flow control to handle network congestion - can send larger amounts of data per packet - has guaranteed delivery of transmitted data - better protection against spoofing - reduces need for error checking at higher OSI layers






35. deployment challenges including topology and access limitations - analyzing encrypted traffic - quantity vs. quality of signatures - performance limitations with extensive analysis techniques - very costly for proper management






36. A low end firewall that can quickly be deployed using existing hardware. They examine packets themselves with no content.






37. risk = threat x vulnerability - impossible to eliminate - security is an exercise in loss reduction






38. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.






39. It makes sure the data sent from one side to the other is in a format useful to the other side






40. Wide Area Network - Larger than MAN or LAN - uses public network - phone lines - and leased lines to tie LAN and MAN over a dispersed area






41. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.






42. Attaches itself to existing program files and activated when the exe is launched






43. Slow - requires stateful data tracking - inspects all fields - including variable-length fields






44. Not frequently seen on LANs because of expense - because of its traffic predictability and high bandwidth support - it's good for video streaming - encapsulates common protocols - uses virtual path identifiers to create end to end connectivity - has






45. Going around with equipment to detect wireless networks






46. Confidentiality - integrity - availability






47. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code






48. Protects internal/external systems from attack - filters communications based on content - performs NAT - encrypts communications for VPN - logging to aid in intrusion detection






49. Allows segmentation of a switch into different networks - regardless of where a system is plugged in - creates separate networks through software not hardware

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50. A hash is produced when applied to a monitored file. The hash always generates the same value unless a change was made. HIDS software checks the hashes of monitored files and if a change is found - analyst is notified. - ie: tripwire