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. A list of files is defined that should be monitored for a change - HIDS software calculates a one-way hash for each file - if a change is made to the file - the hash is changed






2. 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






3. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive






4. Intrusion detection system - it reports attacks against monitored systems/networks






5. Confidentiality - symmetric encryption






6. Weakness in a system - inherent in a complex system - majority are due to poor coding - gateway by which threats are manifested






7. Simple attack done by simply browsing available information that's allowed on a local network.






8. 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






9. OSI






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






11. Very simplistic. All systems are attached to the same cable segment. Rarely used because they're unreliable - low fault tolerance - poor traffic isolation - with limited scalability






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






13. Bits of code embedded in programs to quickly gain access at a later time






14. 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






15. 53 bytes - 48 bytes for data - 5 bytes for the header






16. Handles the network address scheme and connectivity of multiple network segments. It handles communication.






17. Syn - Syn/Ack - Ack






18. Confidentiality - integrity - availability






19. 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.






20. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline






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






22. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest






23. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously






24. 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






25. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution






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






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






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






29. Confidentiality - integrity - availability






30. ATM supports two types of virtual circuits: permanent virtual circuits and switches virtual circuit - PVC is set up in advance - usually manually - SVC is established automatically through a signaling protocol and can be created on the fly - establis






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






32. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer






33. Connects many WANs - MANs - and LANs - provided via ISP






34. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment






35. Switches networks make it difficult to monitor traffic in promiscuous mode - topology must be able to support traffic aggregation for monitoring






36. Infects MBR - no network spreading potential






37. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host






38. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host






39. Handles transmissions across the physical media like wires - fiber - etc






40. 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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41. Intellectual property - business goals - validated data - historical






42. An agreement on how different computer will work - protocols define the format and order of messages and what to do upon receipt of the messages - basically the rules of the network






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






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






45. 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






46. Protocol for mapping an IP address to a physical machine address that is recognized on the local network - A table - usually called the ARP cache - is used to maintain a correlation between each MAC and it's corresponding IP address






47. Personal area network - phone tethering - bluetooth - etc






48. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p






49. Stateful firewalls maintain state of traffic flows






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






Can you answer 50 questions in 15 minutes?



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