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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. It handles the establishment and maintenance of connections between systems






2. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0






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






4. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0






5. An attempt to gain access by bombarding it with guesses until the password is found.






6. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering






7. rules indicate criteria in packets that represent events of interest - rules are applied to packets as they are received - alerts are created when matches are found






8. Multiple levels of protection must be deployed - an exercie in detection - measures must be across a wide range of controls - compromises happen when people leave sites - risk - CIA triad - strategies






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






10. Confidentiality - integrity - availability






11. Work groups that require additional protection are segmented from the rest of the internal organization - restricting access to critical segments - system of VPNs - internal firewall - VLANs and ACLs






12. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.






13. Worms and Wireless - modems - tunnel anything through HTTP - social engineering






14. UDP based infection - infected through vulnerability in SQL server - caused DoS on saturated networks






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






16. Prepends to the beginning of the file and gains control when the first instruction of the infected COM file is executed - appending to the end - virus writes its payload to the end and inserts jump instruction as the first instruction - which execute






17. Syn - Syn/Ack - Ack






18. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone






19. A system resource that has no legitimate purpose or reason for someone to connect to it - its purpose is to draw in attackers to understand how they break into a system






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






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






22. Spread as an office attachment with executable code programmed using macro facility - targets are data files - visual basic editor and other macro languages - payload executes when the code is launched






23. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment






24. An FTP that allows downloads only if the user knows the exact name of the file they're looking for






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






26. Used for connecting two physical segments of a network - segments traffic - breaks up collision domains - not generally used because of switches






27. Going around with equipment to detect wireless networks






28. Application layer attacks may get through - dialup - VPN - extranet connections may bypass firewalls






29. 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






30. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs






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






32. Confidentiality - symmetric encryption






33. When someone has compromised the integrity of data or a program. Allows attackers to create backdoors.






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






35. 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






36. 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






37. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry






38. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.






39. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key






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






41. Small program triggered by an event that provides an action. E.g. scheduled file removal if countdown isn't reset - ie: employee was fired






42. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end






43. logic bomb - trojan horse - trap door






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






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






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






47. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input






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






49. 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






50. Stateful firewalls maintain state of traffic flows







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